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Been Away a Long Time

04/17/2024
posted in Electrical Engineering
by Leonf
Hi all, does caption this still exist? if so, where do I find it, I'm not so PC
Views: 20, Comments: 3
Last comment 04/17/2024 by Brave Sir Robin
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Interesting Puzzle

04/17/2024
posted in General Discussion
by Rixter
Here is an interesting puzzle I ran across the other day. You have a cup half filled with water sitting on top of a digital scale. You also have a la...
Views: 16, Comments: 2
Last comment 04/17/2024 by Randall
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Few Have Knowledge They Can Apply or Even Understand

04/16/2024
posted in General Discussion
by DaveB
It has been a long time since I posted here but I have continued to occasionally come here and read. I am an old engineer who is still working and pl...
Views: 106, Comments: 12
Last comment 04/17/2024 by dougefresh
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Use of Thyristor in VFD

04/13/2024
posted in Electrical Engineering
by lalit_nawada
Why do we use thyristors instead of regular diodes in VFD converter circuit?
Views: 215, Comments: 18
Last comment 04/15/2024 by R_i_c_h
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Mt. Etna Blowing Smoke Rings

04/10/2024
posted in General Discussion
by Rixter
This is pretty neat...thought I'd share.
Views: 252, Comments: 12
Last comment 04/17/2024 by Brave Sir Robin
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Cosmic Rays Affecting Cloud Formation?

04/06/2024
posted in General Discussion
by HiTekRedNek
Here is a link to articles claiming that cosmic rays can affect cloud formation,and consequently,temperature on Earth. https://physicsworld.com/a/phy...
Views: 165, Comments: 11
Last comment 04/17/2024 by HiTekRedNek
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Interesting Rocket Launch this Morning

04/05/2024
posted in General Discussion
by BruceFlorida
Usually rocket launches leave a trail that spreads out within a few minutes and is gone in 15-30 minutes. The trail from today's 5:12 AM launc...
Views: 197, Comments: 3
Last comment 04/10/2024 by Brave Sir Robin
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3-Phase Power Balanced Distribution

04/05/2024
posted in Electrical Engineering
by gutmonarch
Are there any means to balance load of a 3 phase? Our establishment 3 phase power is balanced during the day, however by night time it aint. What meas...
Views: 242, Comments: 23
Last comment 04/17/2024 by HiTekRedNek
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Lower Viscosity of Refrigeration Oil

04/05/2024
posted in Mechanical Engineering
by arshad bbc
Can a oil has been toped up having higher viscosity (same brand, same typ) in place of lower viscosity ( same brand, same type) to maintain /compesate...
Views: 64, Comments: 3
Last comment 04/06/2024 by HiTekRedNek
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Values of Capacitor and Resistor in an RC Snubber

04/02/2024
posted in Electrical Engineering
by Anonymous Poster
Hi, What should be the values of resistors and capacitors in an RC snubber placed across the switch and in parallel with a solenoid? working voltage...
Views: 143, Comments: 4
Last comment 04/11/2024 by 67model
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Coating to Improve Tensile Strength in Concrete Surface

04/02/2024
posted in General Discussion
by sqyuma
Good day. There is recent built (2 years) concrete floor that shows many cracks.. needs to be repaired. It is not feasible to use concrete o any mor...
Views: 240, Comments: 15
Last comment 04/12/2024 by HiTekRedNek
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Fault Current at the Final Circuit

04/01/2024
posted in Electrical Engineering
by Anonymous Poster
Which method is used to determine the short circuit current at a light fixture's terminals to ensure that circuit breaker ahead of it trips in case of...
Views: 147, Comments: 7
Last comment 04/12/2024 by rwilliams
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Wrapping Wisconsin in Toilet Paper (April 2024 challenge question)

03/21/2024 posted in Challenge Questions
Green Bay, Wisconsin, is occasionally known as the toilet paper capital of the world. Therefore, it makes sense to ask - how many rolls of toilet pap...
03/21/2024 Views: 421, Comments: 8
Last comment 04/11/2024 by SolarEagle
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Make It Equate Eight (March 2024 Challenge Question)

02/29/2024 posted in Challenge Questions
Use standardized mathematical operators to make the digits on the left side of this equation to make it true. More than one answer may exist. UPDA...
02/29/2024 Views: 1009, Comments: 31
Last comment 03/30/2024 by Randall
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Ski Lift Mathematics (February 2024 Challenge Question)

01/31/2024 posted in Challenge Questions
Mark Frank is going snow boarding. To get to the top of the mountain, he must ride the ski lift. Mark Frank gets in lift chair No. 10. Exactly halfw...
01/31/2024 Views: 881, Comments: 34
Last comment 02/26/2024 by Anonymous Poster
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