# HVAC Basics:Heat Transfer Quiz Questions NATE CORE

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1. The greater the temperature difference between the two bodies, heat transfer rate will be _______:
A:Greater
B:Lesser
C:Same
A:Greater
2. The heat content of a substance is called ________:
A:Latent Heat
B:Total Heat
C:Sensible Heat
D:Enthalpy
D:Enthalpy
3. A Btu is a unit of heat energy:
True
False
True
4. The boiling point or boiling temperature of water can be changed by changing the pressure on the water:
False
True
True
5. 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.
6. 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
7. 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
8. The rate of heat consumption (BTU/hr ) has the unit of _____:
A:Power
B:Work
C:Energy
A:Power
9. 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
10. A heat exchanger in an HVAC system or home furnace uses _____ to transfer heat. A:Conduction
B:Convection
A:Conduction
11. 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
12. 1 boiler horsepower = ______ Btuh
A:3.413
B:33,475
C:0.3413
D:3347
B:33,475
13. 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
14. On the Fahrenheit scale, absolute zero is _____
A:-183 degrees
B:-273 degrees
C:-360 degrees
B:-460 degrees
B:-460 degrees
15. Absolute-zero temperature is the base point for calculations of heat
True
False
True
 Author: salvatorefricano ID: 304888 Card Set: HVAC Basics:Heat Transfer Quiz Questions NATE CORE Updated: 2015-07-07 14:07:49 Tags: NATE Folders: Description: NATE CORE example questions heat transfer Show Answers: