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Worksheets

HVAC Heat Transfer

Total questions: 14

Worksheet time: 9mins

Name
Class
Date
1.

____ heat is related to changes in temperature of a gas or object with no change in phase.

a)

Absolute

b)

Latent

c)

Sensible

d)

Relative

e)

Cousin

2.

_____ heat is related to changes in phase between liquids, gases, and solids

a)

Critical

b)

Sensible

c)

Relative

d)

Latent

e)

Uncle

3.

________ equals −273.15 degrees Celsius, or -459.67 Fahrenheit

a)

Absolute Zero

b)

Infinite Cold

c)

Deep Space

d)

Infinite Zero

e)

Liquid Nitrogen

4.

____ sensors monitor the intensity of sunlight and adjust the HVAC control to improve the comfort level of the driver and passengers on sunny days

a)

Lumen

b)

Latent Heat

c)

Radiation

d)

Sun

5.

32 degrees Fahrenheit = How many degrees Celsius?

a)

212

b)

-32

c)

64

d)

0

e)

10

6.

Customer states: AC only blowing cold when driving at high speeds. A likely cause might be...

a)

Bad Condenser Fan

b)

Low Refrigerant

c)

Compressor Inop

d)

Evap Drain Clogged

e)

None of the Above

7.

The ______ is the energy required to increase the temperature of one gram of water by one degree Celsius

a)

Joule

b)

Calorie

c)

Kelvin

d)

Degree

e)

Yuengling

8.

______ ______ was an American engineer, best known as the inventor of modern air conditioning

a)

Willis Carrier

b)

Michael Faraday

c)

Lord Kelvin

d)

Vernon Carrier

e)

Disease Carrier

9.

What does TXV stand for?

(a)  

10.

(a)   Sensor monitors intensity of sunlight:

11.

How should you shine a flashlight through a condenser to see if it needs to be cleaned?

a)

Front to Back

b)

Top to Bottom

c)

Back to Front

d)

Bottom to Top

12.

What are the parts that make up a compressor clutch?

a)

driver plate

b)

belt plate

c)

magnet coil

d)

All the Above

13.

What is the process called of removing refrigerant?

a)

Recovery

b)

Recycling

c)

Retarding

d)

Reducing

e)

All of the Above

14.

Match the following

a)

1.

Low Side Pressure Switch

b)

2.

Tinary Switch

c)

3.

Orifice Tube

d)

4.

Dryer

e)

5.

Lizzo before and after 65 pounds lost