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chandrahas M
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Join Date: Feb 2011
Location: Sriharikota SDSC SHAR Centre Nellore Dist Andhrapradesh India
Posts: 1

Fire Engineering

02/18/2011 4:07 AM

how to find out gross weight of a CO2 fire extinguisher if tear weight and water capacity is given?
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Noudge79
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Join Date: Feb 2011
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#1

Re: fire engineering

02/18/2011 5:03 AM

What's your purpose?

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lyn
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Join Date: Oct 2008
Posts: 42355
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#2

Re: Fire Engineering

02/18/2011 10:47 AM

1. Weigh it.

2. Call the manufacturer.

It's tare weight, not tear weight.
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Doorman
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Hobbies - DIY Welding - Don't Know What Made The Old Title Attractive... Popular Science - Weaponology - New Member United States - US - Statue of Liberty - 60 Year Member

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#3

Re: Fire Engineering

02/18/2011 2:06 PM

chandrahas M, are you not the Sub Officer/SHAR Fire services in Gov't of India, Dept of Space, Satish Dhawan Space Centre (सतीश धवन अंतरिक्ष केंद्र)?

This seems a question you should already be able to answer...

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lyn
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#5
In reply to #3

Re: Fire Engineering

02/18/2011 7:48 PM

My, my. What nice work.
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woodygb
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Location: United Kingdom
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#4

Re: Fire Engineering

02/18/2011 7:28 PM

A CO2 bottle is filled by MASS this will be Gross weight minus Tare weight and the info WILL be stamped on the bottle.
The volume and density of liquid co2 varies with temp.
The density of liquid co2 is around 666 grams per litre @ 82F...and the fill ratio is normally 0.666.
A CO2 bottle with a volume of 3 litres ( water capacity ) will therefore contain 3*0.666 = 2kg's of liquid co2.
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woodygb
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#6
In reply to #4

Re: Fire Engineering

02/18/2011 7:48 PM

EDIT ...Page 20.
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