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A gaseous nitrogen charge is added to a liquid fire extinguishing agent in order to?
Expel the agent from the bottle
What component holds both a liquid agent and a nitrogen charge in a liquid-agent fire extinguishing container?
In a liquid-agent fire extinguisher container, why is the frangible disc undercut into pie shaped sections?
To break cleanly into large pieces
What is the purpose of a time delay relay that is used on some liquid-agent fire extinguishing systems?
To position the valves
BANK #2 in a two-shot liquid-agent fire extinguishing system failed to discharge, while BANK #1 discharged normally. The most probably cause of this malfunction is what type of faulty switch?
When depressed, which switch on a T-handle fire extinguishing system completes the circut to the squib?
Agent discharge switch
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