<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/"><channel><title>CR4 - Recent Forum Threads and Blog Entries</title><link>http://cr4.globalspec.com</link><description><![CDATA[Recent content from CR4, The Engineer&apos;s Place for News and Discussion]]></description><copyright>Copyright 2010</copyright><pubDate>Tue, 09 Feb 2010 10:55:15 EST</pubDate><generator>http://cr4.globalspec.com</generator><item><title><![CDATA[AM/FM/CD Radio Fire in a Boat]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50332/AM-FM-CD-Radio-Fire-in-a-Boat?from_rss=1]]></link><description><![CDATA[I have an AM/FM/CD radio in my sailboat.  I installed it myself.  The first one was an expensive marine unit which failed after a few years so I replaced it with a inexpensive standard car unit.  It worked fine for a few years also but one day I noticed an acrid smell near it.  A few days later I lo]]></description><pubDate>Tue, 09 Feb 2010 10:55:15 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50332]]></guid><dc:creator>billb</dc:creator><dc:subject>Automotive</dc:subject></item><item><title><![CDATA[Applications of Synchronus motors ]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50331/Applications-of-Synchronus-motors?from_rss=1]]></link><description><![CDATA[Hi all,

  Cud anyone please tel me where the SYNCHRONOUS Motors are used,as in my country(India) most of the production and process industries use variable speed drives(Slip ring Induction motors).

  Can i suppose that where ever constant speed is required Synchronous motors are used,but again]]></description><pubDate>Tue, 09 Feb 2010 10:36:50 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50331]]></guid><dc:creator>stager.vasu</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Equalization Pressure of Two Air Receivers]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50330/Equalization-Pressure-of-Two-Air-Receivers?from_rss=1]]></link><description><![CDATA[Assuming standard conditions - Sea level, 68 F, 35 Relative Humidty.

  I am working on a project which I need to know how long it will take to eqaulize pressure between two air receivers using 150 Feet of 4&quot; diameter pipe assuming no additional air is being supplied.  Air receiver #1 is 31,210 ga]]></description><pubDate>Tue, 09 Feb 2010 10:33:15 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50330]]></guid><dc:creator>N6377B</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[Cost benefit analysis in design]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50329/Cost-benefit-analysis-in-design?from_rss=1]]></link><description><![CDATA[please advice on how to do cost benifit analysis of two or more designs considering cost,safety, maintenance,....etc

    i am working as junior mechanical engineer after graduating from college since then i have been facing the problem to evaluate different options to decide the best one to imp]]></description><pubDate>Tue, 09 Feb 2010 10:17:05 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50329]]></guid><dc:creator>Guest</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[joining pvc pipe &amp; gi pipe]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50328/joining-pvc-pipe-gi-pipe?from_rss=1]]></link><description><![CDATA[Can anyone tell me how to join pvc 1&quot; pipe with GI 1&quot; pipe.

  procedure &amp;amp; any compliment i have to use or any solution if so kindly write in details...Thank ......JYK]]></description><pubDate>Tue, 09 Feb 2010 10:11:19 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50328]]></guid><dc:creator>jyk</dc:creator><dc:subject>General Discussion</dc:subject></item><item><title><![CDATA[I WISH TO REDUCE THE NOISE LEVEL OF A PORTABLE GENERATOR ]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50327/I-WISH-TO-REDUCE-THE-NOISE-LEVEL-OF-A-PORTABLE-GENERATOR?from_rss=1]]></link><description><![CDATA[I wish to fit a Maxwatt 5500w 4-stroke petrol generator to supply power to my Houseboat.  The noise level @ 7m is 74db (A).

  Beside sound proofing the enclosure can I fit a exhaust muffler  / waterlock which inboard engines use?]]></description><pubDate>Tue, 09 Feb 2010 10:10:33 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50327]]></guid><dc:creator>Bandit</dc:creator><dc:subject>General Discussion</dc:subject></item><item><title><![CDATA[Fluid in a joint after a fracture]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50326/Fluid-in-a-joint-after-a-fracture?from_rss=1]]></link><description><![CDATA[Not sure if this is a suitable question for this forum, if not please say so.

  If I have a fractured knee cap that has/had fluid in the joint which has not been drained, where does this fluid go? How long or how does the fluid go away? While wearing the velcro removable cast/brace the foot and a]]></description><pubDate>Tue, 09 Feb 2010 09:45:35 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50326]]></guid><dc:creator>lutherthecat</dc:creator><dc:subject>BioMech &amp; BioMed</dc:subject></item><item><title><![CDATA[coefficient of Utilization]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50325/coefficient-of-Utilization?from_rss=1]]></link><description><![CDATA[Hello,

  I want to do light energy saving simulation (based on daylight availability) where each luminaire consists &amp;#64258;uorescent tubes (T5,T6 or T8) with a dimmable electronic ballast, which can dim the lamp output smoothly and uniformly.

 I have to know luminary coefficient of utilization]]></description><pubDate>Tue, 09 Feb 2010 09:43:47 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50325]]></guid><dc:creator>NeshKo</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Rensselaer MANE Professor Henry Scarton Elected Life Fellow of ASME]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50324/Rensselaer-MANE-Professor-Henry-Scarton-Elected-Life-Fellow-of-ASME?from_rss=1]]></link><description><![CDATA[From Inside Rensselaer (RPI electronic publication): &quot;Acoustics expert Henry Scarton, associate professor of mechanical, aerospace, and nuclear engineering and
 director of the Laboratory for Noise and Vibration Control Research, has been named a Life Fellow of the American Society of Mechanical En]]></description><pubDate>Tue, 09 Feb 2010 09:14:55 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50324]]></guid><dc:creator>april05</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[Psychological Articles on Manufacturing Layout]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50323/Psychological-Articles-on-Manufacturing-Layout?from_rss=1]]></link><description><![CDATA[Can somebody tell me where to find the journals and articles about the psychology approach in industrial engineering. Furthermore, am also looking for appropriate articles and journals concerning of layout in manufacturing.

    I try to find in internet,but the information is not enough for my]]></description><pubDate>Tue, 09 Feb 2010 07:17:44 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50323]]></guid><dc:creator>bubblebee_engineer5428</dc:creator><dc:subject>Manufacturing</dc:subject></item><item><title><![CDATA[Mini project in mechanical]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50322/Mini-project-in-mechanical?from_rss=1]]></link><description><![CDATA[Hi, i&apos;m a 2nd yr mechanical student. I would like to do a cost effective mini project. If anyone can help me pls respond to this.  U also can contact me in my email id gap.cdm@gmail.com.]]></description><pubDate>Tue, 09 Feb 2010 07:06:20 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50322]]></guid><dc:creator>anuprasanth</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[amf]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50321/amf?from_rss=1]]></link><description><![CDATA[did some body tell to me about amf  electronic circuit diagram]]></description><pubDate>Tue, 09 Feb 2010 06:24:39 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50321]]></guid><dc:creator>Guest</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[PLCs]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50320/PLCs?from_rss=1]]></link><description><![CDATA[i m a starter in plcs ladder logic programming. i just wanted to clear the doubt that is it possible to on off  an output without using two seperate contact input one to on and the other to off it. if its possible please help me how to do it.]]></description><pubDate>Tue, 09 Feb 2010 06:11:00 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50320]]></guid><dc:creator>Guest</dc:creator><dc:subject>Instrumentation</dc:subject></item><item><title><![CDATA[Pressure Drop in Filters]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50319/Pressure-Drop-in-Filters?from_rss=1]]></link><description><![CDATA[hello,

    Till date I have known that the filter rated as 3 micron will have more pressure drop than that of the filter rated as 10 micron.

    So, pls let me knw, is it possible to design a filter of 3 micron rating having pressure drop less than that of the filter having 10 micron ratin]]></description><pubDate>Tue, 09 Feb 2010 04:45:10 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50319]]></guid><dc:creator>mansilakhani</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[Separate source high voltage test, 50HZ for a 24KV elbow connector]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50318/Separate-source-high-voltage-test-50HZ-for-a-24KV-elbow-connector?from_rss=1]]></link><description><![CDATA[Dear Madam/Sir

   Please help us by indicating the above mentioned test circuit according to IEC.

   We would be very thankful to you.

   Very best regards.]]></description><pubDate>Tue, 09 Feb 2010 04:36:29 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50318]]></guid><dc:creator>Guest</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[soft starter]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50317/soft-starter?from_rss=1]]></link><description><![CDATA[can anyone  provide data sheet for Soft starter of motor]]></description><pubDate>Tue, 09 Feb 2010 04:34:39 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50317]]></guid><dc:creator>luv123</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Bending of Pipes During Heat Treatment]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50316/Bending-of-Pipes-During-Heat-Treatment?from_rss=1]]></link><description><![CDATA[Hello All,

     We are into the business of cold drawing mild steel and alloy pipes to the size required by the customer. The process of cold drawing requires intermediate annealing. But when we anneal the pipes (to temperatures of around 950 degree C) in our &apos;closed bogie type oil fired&apos; furn]]></description><pubDate>Tue, 09 Feb 2010 04:32:26 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50316]]></guid><dc:creator>Sahil</dc:creator><dc:subject>Manufacturing</dc:subject></item><item><title><![CDATA[Dual Magnets on Speakers]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50315/Dual-Magnets-on-Speakers?from_rss=1]]></link><description><![CDATA[I have seen dual magnets on some speakers, with the extra magnet behind the other one. Can this really improve the speaker&apos;s performance? If yes, would i benefit if I try to stack the magnets by (1) letting one pull the other or (2) forcing it to come together as they push each other?]]></description><pubDate>Tue, 09 Feb 2010 03:18:06 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50315]]></guid><dc:creator>Guest</dc:creator><dc:subject>Communications &amp; Electronics</dc:subject></item><item><title><![CDATA[SURFACE AREA CALCULATION FORMULA]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50314/SURFACE-AREA-CALCULATION-FORMULA?from_rss=1]]></link><description><![CDATA[ELBOW,FLANGE,EQUAL TEE,ECC REDUCER SURFACE AREA CALCULATION]]></description><pubDate>Tue, 09 Feb 2010 02:49:15 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50314]]></guid><dc:creator>jai_ani12@rediffmail.com</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[Seeking Electrical Power Supply Guidance]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50313/Seeking-Electrical-Power-Supply-Guidance?from_rss=1]]></link><description><![CDATA[1-Can we use ACB for a 600KW LT  motor which is feeding through 690v ac power supply. if so then what will be the appropriate ACB rating ? needs ur guidance thanking u.

   2-What is the advantage of HT motor over Lt motor which is costly and what is the cosst difference for a 600kw HT moor &amp;amp;]]></description><pubDate>Tue, 09 Feb 2010 02:22:55 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50313]]></guid><dc:creator>Guest</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Difference B/w ASTM A105, ASTM A105N &amp; A105M]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50311/Difference-B-w-ASTM-A105-ASTM-A105N-A105M?from_rss=1]]></link><description><![CDATA[What is the Difference Between ASTM A105 &amp;amp; ASTM A105N &amp;amp; ASTM A105M]]></description><pubDate>Tue, 09 Feb 2010 02:16:22 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50311]]></guid><dc:creator>crajkumar</dc:creator><dc:subject>Chemical &amp; Material Science</dc:subject></item><item><title><![CDATA[about boat]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50310/about-boat?from_rss=1]]></link><description><![CDATA[i want to make water boat so which moter i can use &amp;amp; which type of fan i can use for running my small boat?]]></description><pubDate>Tue, 09 Feb 2010 01:44:18 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50310]]></guid><dc:creator>Guest</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[Hagglunds&apos;s Compact motor alternative]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50309/Hagglunds-s-Compact-motor-alternative?from_rss=1]]></link><description><![CDATA[Hi!

  Can anyone advise me if there is an alternative to Hagglunds&apos;s Compact motor?

  This type of motor is a cam-ring type with a rotating hollow shaft.

  http://www.hagglunds.com/

  Thanks...]]></description><pubDate>Tue, 09 Feb 2010 01:40:02 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50309]]></guid><dc:creator>dun_rush</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[Filter Rating for Cleanliness Level of NAS 3]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50308/Filter-Rating-for-Cleanliness-Level-of-NAS-3?from_rss=1]]></link><description><![CDATA[hello,

 pls help me out,

    I want to achieve the cleanliness level of NAS 3 for a fluid in a hydraulic system. I want some idea as how should I select the filter rating to achieve the specified cleanliness level.]]></description><pubDate>Tue, 09 Feb 2010 01:37:15 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50308]]></guid><dc:creator>mansilakhani</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[Erosion of Pump Casing and Impeller]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50306/Erosion-of-Pump-Casing-and-Impeller?from_rss=1]]></link><description><![CDATA[Dear All,

                i have facing problem of damage of impleller and casing of PFA lined pump.calcium chloride solution having concentration 20 to 50% contains acidity as 1%. during circulation of above solution at 120 to 130 degc pumps were damqaging.

    how i can prevent the above]]></description><pubDate>Tue, 09 Feb 2010 00:06:43 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50306]]></guid><dc:creator>r_jain31</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[Electrical Engineering]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50305/Electrical-Engineering?from_rss=1]]></link><description><![CDATA[(1)What is the difference between Ceiling Fan armature and Table fan Armature or winding.

   (2) WHY DG are rated in KVA or MVA ???., but ALL power plants are rated in KW or MW.,,?]]></description><pubDate>Tue, 09 Feb 2010 00:03:56 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50305]]></guid><dc:creator>binusanak</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Electrical Engineering]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50304/Electrical-Engineering?from_rss=1]]></link><description><![CDATA[(1)can we use metering current transformer as protection current transformer if not why? &amp;amp; if yes why?

    (2)(35) What makes the difference between 50Hz supply and 60Hz supply which one is economical and how can you support your answer..........

    (3) What happens with squirrel in]]></description><pubDate>Tue, 09 Feb 2010 00:03:03 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50304]]></guid><dc:creator>binusanak</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Programming Siemens MP377]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50302/Programming-Siemens-MP377?from_rss=1]]></link><description><![CDATA[Hello

   I got siemens MP377 with loader Version 1.0.2.0_1.83 and WinCC flexible 2008.

   WinCC flex project shows only MP377 devices with  version 1.0.0 and 1.0.1.

   If I select version 1.0.0 it disables compile command.

   If I select version 1.0.1 it compiles the project and work]]></description><pubDate>Tue, 09 Feb 2010 00:01:34 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50302]]></guid><dc:creator>Guest</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Electrical Engineering]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50301/Electrical-Engineering?from_rss=1]]></link><description><![CDATA[(1)What is the angle of inclination for the oil connection from transformer conservator to Bucholz relay and why?

 (2)

 WHAT IS THE PARTIAL DISCHARGE TEST?

    (3) what are the different pre- commissioning tests performed on distribution transformer, power cable and switchgear?????]]></description><pubDate>Mon, 08 Feb 2010 23:59:27 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50301]]></guid><dc:creator>binusanak</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Electrical Engineering]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50300/Electrical-Engineering?from_rss=1]]></link><description><![CDATA[(1) IN PLATE EARTHING , PLATE LAID IN VERTICAL POSITION ,WHY

   HORIZONTAL WHY NOT

   (2) ) What is metering cubicle? What is the use?

     (3) why buchholz relay installed in inclined position

     (4) ) What is the difference between Generator Differential Relay and Transfo]]></description><pubDate>Mon, 08 Feb 2010 23:54:26 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50300]]></guid><dc:creator>binusanak</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Busbar Maintenance]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50299/Busbar-Maintenance?from_rss=1]]></link><description><![CDATA[I want to make a overhaul maintenance on busbar type fluair400 (6.6KV) , please i want to know what is the tests which should be carried out &amp;amp; accepted values .]]></description><pubDate>Mon, 08 Feb 2010 23:52:37 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50299]]></guid><dc:creator>Ahmed Mansour</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Developing system for linear motion of pedestals]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50298/Developing-system-for-linear-motion-of-pedestals?from_rss=1]]></link><description><![CDATA[Am trying to develop a solution to move 2 Two Tonnes pedestals in the linear direction

           Distance of travel of each Pedestal : upto 300 mm

           The Pedestal currently rests on a floor base whose surface roughness has predictably deteriorated since being install]]></description><pubDate>Mon, 08 Feb 2010 23:52:37 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50298]]></guid><dc:creator>slugger</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[Permanent Star connection]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50294/Permanent-Star-connection?from_rss=1]]></link><description><![CDATA[Dear Sir,

  Greetings

  My question to you all is &quot; How to connect the terminals of a motor in permanent Star mode&quot;??

  I have heard that if a motor is loaded less than 40%, connecting the motor terminals and running the motor in permanent star mode will save energy.

  By what amount??]]></description><pubDate>Mon, 08 Feb 2010 23:44:34 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50294]]></guid><dc:creator>Rooney</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[3 phase]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50293/3-phase?from_rss=1]]></link><description><![CDATA[(1)WHY WE CAN GENERATE POWER IN 3PHASE MODE ONLY NOT IN 4 OR 5 PHASE

    
 (2)what are the safety measures in UPS ? explain all?

    (3) why odd hormonics only will effect the power system.why not even hormonics

    (4)When a square wave is applied to primary of a transformer the]]></description><pubDate>Mon, 08 Feb 2010 23:39:45 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50293]]></guid><dc:creator>binusanak</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[WELDING BETWEEN SS304 &amp; SS304 L ]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50292/WELDING-BETWEEN-SS304-SS304-L?from_rss=1]]></link><description><![CDATA[Which filler is required in welding of ss304L tubesheet with ss304 shell plate?

  Pease provide information for the same.]]></description><pubDate>Mon, 08 Feb 2010 23:27:26 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50292]]></guid><dc:creator>nbhide108</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[What&apos;s Going on with MediaCom?]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50291/What-s-Going-on-with-MediaCom?from_rss=1]]></link><description><![CDATA[I&apos;m in Iowa, and MediaCom has been on and off the air more times than Paris Hilton. I heard last week that it was out in most of Iowa, and parts of illinois and indiana. It was off just now for two hours, and is back up--long enough, I hope, for me to get this question off.

  Anybody know what&apos;s]]></description><pubDate>Mon, 08 Feb 2010 23:05:44 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50291]]></guid><dc:creator>Slow Old Poop</dc:creator><dc:subject>General Discussion</dc:subject></item><item><title><![CDATA[Radiation by Reflection]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50290/Radiation-by-Reflection?from_rss=1]]></link><description><![CDATA[Hi All

  I want to design an Infrared Oven in which about 10 IR bulbs having 150W power each will be used .The problem is that the objects are hand formers made of porcelain. The hand formers are considered as complicated dimensionally .

  How can I distribute IR energy uniformly on many forme]]></description><pubDate>Mon, 08 Feb 2010 22:59:45 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50290]]></guid><dc:creator>AshrafSiddiqui</dc:creator><dc:subject>General Discussion</dc:subject></item><item><title><![CDATA[TNC switch ( Trip-Neutral0close) switch]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50289/TNC-switch-Trip-Neutral0close-switch?from_rss=1]]></link><description><![CDATA[Dear Friends,

  Thank you for earlier reply, Please give me technical details, genereal spect., &amp;amp; functioning of TNC switch ( Trip-Neutral0close) switch.

  Regards,

  sanjay]]></description><pubDate>Mon, 08 Feb 2010 22:51:50 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50289]]></guid><dc:creator>Guest</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[ASME H-M/ AIAA Joint Meeting: &quot;Apollo and the Many Faces of Lunar Exploration&quot;]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50287/ASME-H-M-AIAA-Joint-Meeting-Apollo-and-the-Many-Faces-of-Lunar-Exploration?from_rss=1]]></link><description><![CDATA[ASME / AIAA Hudson-Mohawk Distinguished Speaker Joint Dinner Meeting (RSVP required) - Celebrating Engineers&apos; Week 2010 in New York&apos;s Capital Region

  Speaker: Dr. Roger D. Launius, senior curator in the Division of Space History at the Smithsonian Institution&apos;s National Air and Space Museum in W]]></description><pubDate>Mon, 08 Feb 2010 21:49:34 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50287]]></guid><dc:creator>april05</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[HVAC Design]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50286/HVAC-Design?from_rss=1]]></link><description><![CDATA[How do i start designing a building using HVAC? Could you send me a tips to follow?]]></description><pubDate>Mon, 08 Feb 2010 21:40:38 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50286]]></guid><dc:creator>Oje</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[3 winding transformer]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50284/3-winding-transformer?from_rss=1]]></link><description><![CDATA[We have a 3 winding transformer rated:

 138/69/13.8 kV transformer;

 100/100/30 MVA

 12/7.7/4.2% impedance that is PS/PT/ST  P-primary; S-secondary, T-tertiary

 Can anyone tell me how to draw its damage curve?..

 Is it the same with the 2 winding transformer?.. if it is, then it would be e]]></description><pubDate>Mon, 08 Feb 2010 21:16:45 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50284]]></guid><dc:creator>hkian</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Singularity or something else]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50283/Singularity-or-something-else?from_rss=1]]></link><description><![CDATA[I sort of understand the meaning of a singularity and the big bang theory but what about this.

  What if the singularity and the big bang is a continuous process. What if the centre the universe is like a huge magnet. It has a north and south pole. At one pole the universe is collapsing inward an]]></description><pubDate>Mon, 08 Feb 2010 19:18:44 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50283]]></guid><dc:creator>Kiwi_Bloke</dc:creator><dc:subject>General Discussion</dc:subject></item><item><title><![CDATA[Tim D]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50282/Tim-D?from_rss=1]]></link><description><![CDATA[A question regarding stabilisation of waste sediment from the washings of a vessel slipway. The sediment was water-blasted off vessels with freshwater and collected in a sump from where we retrieved the samples we&apos;re working with.

  We&apos;re running some small scale tests on how readily we can stabi]]></description><pubDate>Mon, 08 Feb 2010 18:38:22 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50282]]></guid><dc:creator>TimD</dc:creator><dc:subject>General Discussion</dc:subject></item><item><title><![CDATA[power tools]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50281/power-tools?from_rss=1]]></link><description><![CDATA[whats the difference between a pneumatic and a hydraulic tool]]></description><pubDate>Mon, 08 Feb 2010 18:17:51 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50281]]></guid><dc:creator>Guest</dc:creator><dc:subject>Mechanical Engineering</dc:subject></item><item><title><![CDATA[beauty is in the eye of the beholder]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50280/beauty-is-in-the-eye-of-the-beholder?from_rss=1]]></link><description><![CDATA[Do you go to shows,if yes-what do you look for?answer honestly!]]></description><pubDate>Mon, 08 Feb 2010 17:24:50 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50280]]></guid><dc:creator>THE NOMAD</dc:creator><dc:subject>General Discussion</dc:subject></item><item><title><![CDATA[Courses or Handbooks for Dust Control Systems]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50279/Courses-or-Handbooks-for-Dust-Control-Systems?from_rss=1]]></link><description><![CDATA[Do you know of any good courses or handbooks to design pneumatic dust control systems? The ones I have found deal with components and operation, not even maintenance. I want something that deals with design and preferably one that gives solved examples, like in a textbook.]]></description><pubDate>Mon, 08 Feb 2010 16:57:50 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50279]]></guid><dc:creator>gussosa</dc:creator><dc:subject>Education</dc:subject></item><item><title><![CDATA[SCADA Metrics]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50278/SCADA-Metrics?from_rss=1]]></link><description><![CDATA[I am trying to expand my knowledge on Electric SCADA systems and thought I will start here. I know SCADA can measures Real time demand, Reactive power, Power Factor and frequency and if I am not mistaken has the capability to control distribution devices.

  What I am really looking for is &quot;SCADA]]></description><pubDate>Mon, 08 Feb 2010 16:52:53 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50278]]></guid><dc:creator>HISHAMNOMAN</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Lightouch UV System]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50277/Lightouch-UV-System?from_rss=1]]></link><description><![CDATA[i received a Lightouch UV system in with my Mark Andy Press and i need to fix the power supply. I cant figure out what model it is or anything so i can look for the drawings. Here is all the information i have on it

 Model # P1661-TL-PLC-INT-HYB

 SERIAL # 5M206849

 460 VAC 35 AMP

 BULB P/N 8]]></description><pubDate>Mon, 08 Feb 2010 15:45:41 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50277]]></guid><dc:creator>QualityKaty</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Generator Controls]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50276/Generator-Controls?from_rss=1]]></link><description><![CDATA[my aksa generetors with dse control 500 kva we have 6 generetors all of them its pressure oil senser burned after one month and need to changed it---thanks]]></description><pubDate>Mon, 08 Feb 2010 13:35:13 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50276]]></guid><dc:creator>Guest</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Honeycomb Paper Machine]]></title><link><![CDATA[http://cr4.globalspec.com/thread/50274/Honeycomb-Paper-Machine?from_rss=1]]></link><description><![CDATA[Hi, my name is Carla, I&#xb4;m from Brazil and I&#xb4;m looking for a honeycomb paper machine. Could you help me? Where can I find it? I hope somebody answer me. Thanks a lot.]]></description><pubDate>Mon, 08 Feb 2010 13:09:51 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/thread/50274]]></guid><dc:creator>Guest</dc:creator><dc:subject>Manufacturing</dc:subject></item><item><title><![CDATA[Video Gallery: Lightning Reveals Its Power in Slow Motion]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/11461/Video-Gallery-Lightning-Reveals-Its-Power-in-Slow-Motion?from_rss=1]]></link><description><![CDATA[From Wired Top Stories:

 		  		 		Tom Warner documents the powerful beauty of lightning with an array of optical and electromagnetic sensors. He often uses a Vision Research &apos;Phantom&apos; high-speed camera.  Warner is a Ph.D student at the South Dakota School of Mines and Technology, in Rapid]]></description><pubDate>Tue, 09 Feb 2010 08:07:20 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/11461]]></guid><dc:subject>Engineering News</dc:subject></item><item><title><![CDATA[A Conversation With Samuel Wang: A Neuroscientist Studying the Structure of Dog Brains]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/11460/A-Conversation-With-Samuel-Wang-A-Neuroscientist-Studying-the-Structure-of-Dog-Brains?from_rss=1]]></link><description><![CDATA[From NYT &gt; Science:

 		  		 		At his Princeton laboratory, Samuel Wang is searching for basic information on how the brains of humans and dogs work. Dr. Wang, 42, an associate professor at the university, also spends time popularizing breakthroughs in his specialty &amp;#8212; neuroscience. His]]></description><pubDate>Tue, 09 Feb 2010 08:05:23 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/11460]]></guid><dc:subject>Engineering News</dc:subject></item><item><title><![CDATA[The Origin of Traffic Lights]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/11459/The-Origin-of-Traffic-Lights?from_rss=1]]></link><description><![CDATA[From mental_floss Blog:

 		  		 		We&apos;re still stumped on that whole chicken vs. egg question, but there&apos;s one thing we do know for sure -- traffic congestion predates the automobile. Long before the invention of the internal combustion engine, horses and people were already having so much tr]]></description><pubDate>Tue, 09 Feb 2010 08:03:14 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/11459]]></guid><dc:subject>Engineering News</dc:subject></item><item><title><![CDATA[Evidence of Liquid Water on Saturn&apos;s Moon Enceladus]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/11458/Evidence-of-Liquid-Water-on-Saturn-s-Moon-Enceladus?from_rss=1]]></link><description><![CDATA[From Discovery News - Top Stories:

 		  		 		&quot;While it&apos;s no surprise that there is water there, these short-lived ions are extra evidence for sub-surface water and where there&apos;s water, carbon and energy, some of the major ingredients for life are present,&quot; said Andrew Coates from University]]></description><pubDate>Tue, 09 Feb 2010 07:58:23 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/11458]]></guid><dc:subject>Engineering News</dc:subject></item><item><title><![CDATA[What&apos;s the Worth of Future R&amp;amp;D?]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/11454/What-s-the-Worth-of-Future-R-amp-D?from_rss=1]]></link><description><![CDATA[The first decade of the new century saw a dramatic reduction of R&amp;amp;D. Some experts believe the steady decline of high quality jobs isn&apos;t due mainly to the current recession, nor the rise of off-shoring, but instead to the drop in R&amp;amp;D spending. Some also say the ability to grow out of the rece]]></description><pubDate>Tue, 09 Feb 2010 07:52:00 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/11454]]></guid><dc:subject>Mechanical Components Blog</dc:subject></item><item><title><![CDATA[Superheroic Imaging Sensitivity]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/11455/Superheroic-Imaging-Sensitivity?from_rss=1]]></link><description><![CDATA[Increased sensitivity is always better for imaging instruments, and Raman spectroscopists just reported a vibrational IR instrument sensitive to zeptomolar concentrations of some materials. The paper in PNAS reports a nanoplasmonic technique adaptable to any commercial microscope, boosting signal l]]></description><pubDate>Tue, 09 Feb 2010 07:52:00 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/11455]]></guid><dc:subject>Scientific Instruments</dc:subject></item><item><title><![CDATA[Dr. Agnes A. Day]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/11453/Dr-Agnes-A-Day?from_rss=1]]></link><description><![CDATA[Agnes A. Day grew up in Florida, the youngest of 13 children in a poor family. Day&apos;s third-grade teacher, Reverend Mrs. Rosemarie Bryant,  recognized her intelligence, and  that had a great impact on Agnes. Reverend Mrs. Rosemarie Bryant served as an excellent mentor; she saw something special i]]></description><pubDate>Tue, 09 Feb 2010 07:40:15 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/11453]]></guid><dc:creator>nsbe</dc:creator><dc:subject>National Society of Black Engineers Blog</dc:subject></item><item><title><![CDATA[Jaguar: From Sidecars to Sportscars]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/11446/Jaguar-From-Sidecars-to-Sportscars?from_rss=1]]></link><description><![CDATA[As Andrew Whyte relates the story of Jaguar styling in SIA #53, June 1981, the luxury aspect of the company&apos;s products dates all the way back to its days when it went by the company name Swallow and it built upscale bodies for Austins. Whyte takes the story of Jaguar design through the post-wa]]></description><pubDate>Tue, 09 Feb 2010 00:01:00 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/11446]]></guid><dc:creator>dstrohl</dc:creator><dc:subject>Hemmings Motor News Blog</dc:subject></item><item><title><![CDATA[No More Toasted Bread For You!]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/11183/No-More-Toasted-Bread-For-You?from_rss=1]]></link><description><![CDATA[&quot;Why,&quot; you say as you glare at your toaster. But no matter how tasty toast may be,  you may not want to toast your bread until brown is due to acrylamide, a synthetic chemical that is potentially dangerous to humans. Acrylamide forms in some foods during high-temperature cooking processes like]]></description><pubDate>Tue, 09 Feb 2010 00:00:00 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/11183]]></guid><dc:creator>Jaxy</dc:creator><dc:subject>Jaxy of All Trades</dc:subject></item><item><title><![CDATA[Book Review: A New Leadership Ethos (Part 2) ]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/11452/Book-Review-A-New-Leadership-Ethos-Part-2?from_rss=1]]></link><description><![CDATA[&quot;All forms of organization are essentially ecosystems,&quot; writes Dr. Marc van der Erve in A New Leadership Ethos: The Ability to Predict. Businesses respond to their environments and obey both &quot;basic laws of energy&quot; and &quot;Darwinian notions&quot;. Organizations also develop in &quot;four distinct stages&quot;, e]]></description><pubDate>Mon, 08 Feb 2010 17:01:00 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/11452]]></guid><dc:creator>Moose</dc:creator><dc:subject>The Engineer&apos;s Book Club</dc:subject></item><item><title><![CDATA[Book Review: A New Leadership Ethos (Part 1)]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/11451/Book-Review-A-New-Leadership-Ethos-Part-1?from_rss=1]]></link><description><![CDATA[Leadership is temporal. During each stage of an organization&apos;s life, a different type of leader is needed. No business is &quot;built to last&quot; either, regardless of the popularity of a book by Jim Collins by that same name.

           These are just some of  the ideas of Dr. Marc van der]]></description><pubDate>Mon, 08 Feb 2010 16:55:00 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/11451]]></guid><dc:creator>Moose</dc:creator><dc:subject>The Engineer&apos;s Book Club</dc:subject></item><item><title><![CDATA[STS-130: Pre-Launch Images of the Space Shuttle Endeavour ]]></title><link><![CDATA[http://cr4.globalspec.com/blogentry/11450/STS-130-Pre-Launch-Images-of-the-Space-Shuttle-Endeavour?from_rss=1]]></link><description><![CDATA[Early this morning, the Space Shuttle Endeavour blasted into space with six astronauts onboard for a 13-day mission to the International Space Station (ISS). At 4:14 AM, two solid-fuel booster rockets attached to NASA&apos;s youngest shuttle illuminated launch pad 39A at Kennedy Space Center (KSC)]]></description><pubDate>Mon, 08 Feb 2010 14:12:07 EST</pubDate><guid><![CDATA[http://cr4.globalspec.com/blogentry/11450]]></guid><dc:creator>Moose</dc:creator><dc:subject>Aerospace Blog</dc:subject></item></channel></rss>