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Mechanical - 540 UNIT 4 Heat and Temperature - MCQ

1)   

 Heat is defined as: 

A.
B.
C.
D.
Answer: B
2)   

The SI unit of temperature is:

A.
B.
C.
D.
Answer: C
3)   

Which of the following is NOT an effect of heat? 

A.
B.
C.
D.
Answer: B
4)   

Which device is used to measure temperature?

A.
B.
C.
D.
Answer: B
5)   

 Temperature is a measure of:

A.
B.
C.
D.
Answer: B
6)   

The melting point of aluminium is approximately: 

A.
B.
C.
D.
Answer: C
7)   

 Which of the following has the highest boiling point? 

A.
B.
C.
D.
Answer: C
8)   

Water boils at what temperature under normal atmospheric pressure? 

A.
B.
C.
D.
Answer: C
9)   

 A pyrometer is used to measure: 

A.
B.
C.
D.
Answer: C
10)   

Which thermometer is used in households for measuring body temperature?

A.
B.
C.
D.
Answer: B
11)   

Heat transfer through solids is known as:

A.
B.
C.
D.
Answer: C
12)   

Which method of heat transfer does not require a medium? 

A.
B.
C.
D.
Answer: C
13)   

 Sea breeze is an example of: 

A.
B.
C.
D.
Answer: C
14)   

 The coefficient of linear expansion is used to calculate:

A.
B.
C.
D.
Answer: C
15)   

The unit of coefficient of linear expansion is:

A.
B.
C.
D.
Answer: B
16)   

 The formula for heat transfer is: 

A.
B.
C.
D.
Answer: B
17)   

 In calorimetry, heat lost by the hot body is: 

A.
B.
C.
D.
Answer: C
18)   

Which of the following is a good conductor of heat?

A.
B.
C.
D.
Answer: C
19)   

 Which of the following is a thermal insulator? 

A.
B.
C.
D.
Answer: B
20)   

The unit of thermal conductivity is:

A.
B.
C.
D.
Answer: B
21)   

Pressure is defined as: 

A.
B.
C.
D.
Answer: C
22)   

The SI unit of pressure is: 

A.
B.
C.
D.
Answer: C
23)   

 1 atm (atmospheric pressure) is equal to: 

A.
B.
C.
D.
Answer: B
24)   

 Absolute pressure =

A.
B.
C.
D.
Answer: B
25)   

 Which instrument is commonly used to measure gauge pressure?

A.
B.
C.
D.
Answer: D