TSSA G3 EXAM PREP QUESTIONS WITH ANSWERS.

TSSA G3 EXAM PREP QUESTIONS WITH |\ |\ |\ |\ |\ |\




ANSWERS

who is authorized to work on a liquid propane system?
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an LP fitter
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Name 3 organizations authorized to certify appliances in
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Ontario.
CSA,CGA,ETL




List 5 steps taken when rescuing a victim of electrical
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shock.
-Don't touch energized victim
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-Free victim of electrical contact
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-Apply C.P.R or artificial respiration
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-Have someone call for help|\ |\ |\ |\




-Continue resuscitation attempts |\ |\

,In a conventional furnace, how is the heat transferred
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from the heat exchanger to the return air?
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Return air is heated through conduction as air molecules
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touch the outside of heat exchanger but the warm supply
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air is heating up the house by convection
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What device is normally used to check the manifold gas
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pressure of a newly converted appliance? |\ |\ |\ |\ |\




manometer




total air supply volume
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1000 btuh / 30 ft^3 of total air supply
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Excess Air |\




Air supplied to the burner above the theoretical amount
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required to burn the fuel to ensure complete combustion.
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pressure at sea level |\ |\ |\

, 14.73 psia |\




Methane
CH4




Propane
C3H8




Specific Gravity of propane vapour
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1.52




Specific Gravity of natural gas vapour
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0.55




Methane
main component of natural gas
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