Heat Quiz Flashcards
“According to the steam tables, as pressure increases?”
Boiling point increases
“If you had a boiler gauge that read 65 psi, what would it read if it was in absolute pressure?”
79.7 psia
What would one standard atmosphere at 14.7 lbs per square inch be in feet of water?
34 ft
As hot air rises and cold air falls, would be an example of
____________
type of heat transfer?
convection
The heat absorbed by boiler water when changing from a liquid to steam is called?
Latent
One mechanical horsepower is equal to ________
33,000 ft/lbs/min
The boiling point of water in atmospheric conditions is ____ Celsius
100
The amount of heat required to raise the temperature of 1 pound of water from 32 degrees to 212 degrees is equal to ____ btu’s.
180
The amount of heat required to evaporate 1 pound of water at 212 degrees is equal to ____ btu’s.
970.3
The term “hidden heat” is another term to describe ____ heat.
Latent
“When referring to the steam table, the letter h would stand for?”
Heat Content
Heat that is added to a substance to change its state but not its temperature is?
Latent Heat
What would the formula read to convert Celsius to Fahrenheit?
F = (C x 1.8) + 32
What statement describes sensible heat?
Heat that changes the temperature of a substance but not its state.
____ heat is the amount of heat required to raise the temperature of 1lb of a substance 1° F.
Specific
____ heat, is heat added to a substance; that changes its state but not its temperature.
Latent
Heat transfer from a warm molecule to a cold one would be considered what type of heat transfer.
Conduction
