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MCQ - TNPSC JTO

JTO - 540 - Trade - Workshop Calculation Science

540 UNIT 4 Heat and Temperature

65)   

Heat transfer from Sun to Earth takes place through: 

A.
B.
C.
D.
66)   

Which metal has the highest thermal conductivity? 

A.
B.
C.
D.
67)   

Which of the following is NOT used as a heat insulator in buildings? 

A.
B.
C.
D.
68)   

Which of the following materials is used in heat sinks? 

A.
B.
C.
D.
69)   

Heat conduction depends on: 

A.
B.
C.
D.
70)   

The rate of heat flow is directly proportional to: 

A.
B.
C.
D.
71)   

Which instrument measures atmospheric pressure?

A.
B.
C.
D.
72)   

Gauge pressure is zero when:

A.
B.
C.
D.
73)   

The pressure inside a vacuum chamber is measured using a: 

A.
B.
C.
D.
74)   

What is the unit of absolute pressure? 

A.
B.
C.
D.
75)   

 Which gauge is most commonly used in industry for measuring fluid pressure?

A.
B.
C.
D.
76)   

 The temperature at which solid and liquid phases coexist in equilibrium is called: 

A.
B.
C.
D.
77)   

 Heat is transferred through a vacuum by:

A.
B.
C.
D.
78)   

One calorie is equal to:

A.
B.
C.
D.
79)   

 The body temperature of a healthy human being is: 

A.
B.
C.
D.
80)   

  In thermal equilibrium, heat transfer between two bodies:

A.
B.
C.
D.