Gas Questions Test Flashcards
A reading of 7.0’W.C is equal to?
1/4 PSIG
At atmospheric pressure the boiling point of water is?
212F(100C)
True or False
By definition, the specific gravity of a gas(vapour) is; The weight of the gas as compared to the weight of air.
False,
The weight of the gas as compared to the weight of an equal volume of air
True or False,
The specific gravity of propane is heavier than air?
True, Propane has a specific gravity of 1.52 w.c
2.4% -9.5% is the lower and upper flammable limit of..?
Propane
The approximate heat content of 1 cubic foot of propane is..?
2,500btu
Natural gas and propane are mainly made of…
Carbon and Hydrogen
True or false,
The flame temperature of propane is approximately 3,650C
False, its 3,650F
True or False,
The igniton temp of propane is approx. 920F-1020F
True, or 493C-549C
True or False,
The boiling temp of propane is 44F
False, the boiling temp is -44F
When propane changes from a liquid to a vapour it expands and volume increases how many times?
270 times
True or False,
One imperial gallon of propane weighs 5.1lbs.
True
How many btu’s does one pound of propane release when it burns?
21,600btu’s
The products of combustion are primarily composed of…?
H20,CO2, and Heat
Water, Carbon Dioxide, and Heat
True or False,
As the temoerature of propane increases so does the pressure?
True, in a sealed container as the temperature of a medium increases so doth the pressure.
The amount of CO2 produced by burning one cubic foot of propane is..?
3 cubic feet