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HVAC related science

Total questions: 9

Worksheet time: 7mins

Name
Class
Date
1.

How many BTUs does it take to turn ice to water

a)

16

b)

144

c)

180

d)

970

2.

How many BTUs does it take to turn water t steam

a)

180

b)

970

c)

815

d)

1644

3.

What is sensible heat

a)

temp change tha you can feel

b)

temp change in which a substance changes state

c)

the total heat content of a substance

d)

Abraham lincoln

4.

What is latent heat

a)

temp change you can feel

b)

temp change in which a substance changes state

c)

total heat content of a substance

d)

absolute temperature

5.

Specific heat is the (a)   of a substance to absorb heat as compared to that of water

6.

Heat exchange can be transferred in three ways:

conduction

(a)  

radiation

7.

__ BTUs are required to change 1 lb of water 1 degrees F

a)

16

b)

1

c)

50

d)

10

8.

2 factors are involved in the measurement of heat. Intensity, and (a)  

9.

(a)   is any substance thatoccupies space or has weight