HVAC Basics:Heat Transfer Quiz Questions NATE CORE
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The greater the temperature difference between the two bodies, heat transfer rate will be _______:
A:Greater
B:Lesser
C:Same
A:Greater

The heat content of a substance is called ________:
A:Latent Heat
B:Total Heat
C:Sensible Heat
D:Enthalpy
D:Enthalpy

A Btu is a unit of heat energy:
True
False
True

The boiling point or boiling temperature of water can be changed by changing the pressure on the water:
False
True
True

The space heater does heat the air:
True
False
False
Space heaters instead heats the solid objects that come into contact with the heat rays.

The Radiant heat diminishes _______ of the distance traveled from the hot body:
A:proportional
B:inversely proportional
C:by Square of
D:by cube of
C:by Square of

The Celsius scale is divided into _______ degrees, from the freezing point of water to the boiling point
A:50
B:100
C:180
D:90
B:100

The rate of heat consumption (BTU/hr ) has the unit of _____:
A:Power
B:Work
C:Energy
A:Power

The Fahrenheit scale divides into ______ the temperature range from the freezing point of water to its boiling point
A:90 parts
B:270 parts
C:180 parts
D:360 parts
C:180 parts

A heat exchanger in an HVAC system or home furnace uses _____ to transfer heat. A:Conduction
B:Convection
C:Radiation
A:Conduction

Any temperatures on the absolute Celsius scale (Kelvin) can be found by adding _______ to the thermometer reading
A:273
B:273
C:460
D:460
B:273

1 boiler horsepower = ______ Btuh
A:3.413
B:33,475
C:0.3413
D:3347
B:33,475

Heat that is known to be added to or removed from a substance but no temperature change is recorded is called as ______:
A:Latent Heat
B:Enthalpy
C:Specific Heat
D:Entropy
A:Latent Heat

On the Fahrenheit scale, absolute zero is _____
A:183 degrees
B:273 degrees
C:360 degrees
B:460 degrees
B:460 degrees

Absolutezero temperature is the base point for calculations of heat
True
False
True