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MCQ - TNPSC JTO

JTO - 540 - Trade - Workshop Calculation Science

540 UNIT 4 Heat and Temperature

145)   

 A steel rod and an aluminium rod of the same length are heated equally. Which expands more?

A.
B.
C.
D.
146)   

A pressure of 1 atmosphere is equal to: 

A.
B.
C.
D.
147)   

 In a manometer, the pressure is measured using: 

A.
B.
C.
D.
148)   

Which fluid is commonly used in manometers for measuring small pressure differences?

A.
B.
C.
D.
149)   

 Absolute pressure is measured from: 

A.
B.
C.
D.
150)   

 Which pressure measuring device is commonly used in tyre pressure gauges? 

A.
B.
C.
D.
151)   

 Which of the following defines specific heat capacity? 

A.
B.
C.
D.
152)   

The higher the specific heat of a substance, the more heat it requires to: 

A.
B.
C.
D.
153)   

 In calorimetry, water is commonly used because of its: 

A.
B.
C.
D.
154)   

 The unit of latent heat is: 

A.
B.
C.
D.
155)   

Which of the following does NOT involve heat transfer? 

A.
B.
C.
D.
156)   

Which sensor has a linear relationship between temperature and resistance? 

A.
B.
C.
D.
157)   

 Why is platinum preferred in RTDs?

A.
B.
C.
D.
158)   

Which device is commonly used in weather stations to measure air temperature?

A.
B.
C.
D.
159)   

Which of the following has the fastest temperature response?

A.
B.
C.
D.
160)   

What is the output of a thermocouple? 

A.
B.
C.
D.