G2 Gas Fitter Exam Prep Questions and Answers (Graded A)
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Course
G2 Gas Fitter
Institution
G2 Gas Fitter
G2 Gas Fitter Exam Prep Questions and Answers (Graded A)G2 Gas Fitter Exam Prep Questions and Answers (Graded A)G2 Gas Fitter Exam Prep Questions and Answers (Graded A)G2 Gas Fitter Exam Prep Questions and Answers (Graded A)G2 Gas Fitter Exam Prep Questions and Answers (Graded A)
the odorant added...
the odorant added to natural gas for detection purposes is - ANSWER-
mercaptan
what is the approximate ignition temperature of natural gas - ANSWER-
1200*F(649*C)
the specific gravity of natural gas is - ANSWER-0.6
major constituents of flue gases after the proper combustion of natural gas
in air are: - ANSWER-CO2, H2O, N2, O2, and heat
a bunsen flame is characterized by its - ANSWER-blue appearance
,the two main hyrdocarbons which form natural gas are: - ANSWER-methan
and ethane
what theoretical gas to air ratio is necesary to achieve perfect combustion
with an atmospheric natural gas burner - ANSWER-1 part of natural gas to 10
parts of air
carbon monoxide is produced through - ANSWER-incomplete combustion
propane shall have a distinctive odour content to ensure it is readily
detectable in the atmosphere down to concentrations of - ANSWER-20% of
the lower explosive limit
in a natural gas and air mixture, what are the approximate lower and upper
limits of flamability - ANSWER-4-14%
carbon monoxide is - ANSWER-a toxic gas which is combustible
the heat content of 1 cubic foot of natural gas is approximatelyT - ANSWER-
1k BTU
,carbon dioxide and nitrogen are - ANSWER-inert gases
natural gas is 85-90%: - ANSWER-methane
how much air is require to bum 1000 cubic feet of natural gas per hour -
ANSWER-10,000 cu ft
one boiler horsepower is approximately - ANSWER-34k btu(10kw)
two undersirable products of incomplete combustion are - ANSWER-CO2 and
aldehydes
which substance is inert and passes through the combustion zone absorbing
heat during the combustion process - ANSWER-nitrogen
the relative density of liquid propane is approximately - ANSWER-0.5
propane is a - ANSWER-hydrocarbon
, at 60f (15.5*C) a pound of propane produces how many cubic feet of gas? -
ANSWER-8.50
how often should a fire extinguisher be inspected? - ANSWER-Once a year
the products of complete combustion of natural gas in the air are: - ANSWER-
carbon dioxide, water vapour, and heat
if a natural gas flame is adjusted to produce more than 10% carbon dioxide: -
ANSWER-carbon monoxide may be produced
what could result if a flame is adjusted with too much primary air - ANSWER-
flame lift
Which organization is responsible for administering fuel regulations for the
installation of gas and oil appliances - ANSWER-Technical Standards and
Safety Authority
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