sparksacademychennai@gmail.com +91 8190879379 Saidapet, Chennai

MCQ - TNPSC JTO

JTO - 540 - Trade - Workshop Calculation Science

540 UNIT 4 Heat and Temperature

129)   

 A substance with low specific heat will: 

A.
B.
C.
D.
130)   

The energy required to raise the temperature of 1 gram of water by 1°C is:

A.
B.
C.
D.
131)   

 Which sensor is most sensitive to small temperature changes? 

A.
B.
C.
D.
132)   

Which of the following is best for remote temperature measurement? 

A.
B.
C.
D.
133)   

The thermocouple generates a voltage based on:

A.
B.
C.
D.
134)   

Thermistors are made of:

A.
B.
C.
D.
135)   

 Which material is commonly used in resistance temperature detectors (RTDs)?

A.
B.
C.
D.
136)   

 Why do we wear white clothes in summer?

A.
B.
C.
D.
137)   

 Why are cooking pots often made with copper bottoms?

A.
B.
C.
D.
138)   

 In a refrigerator, heat is removed by:

A.
B.
C.
D.
139)   

Which of the following surfaces is the best absorber and best emitter of heat? 

A.
B.
C.
D.
140)   

 The heating element of an electric iron is made of:

A.
B.
C.
D.
141)   

Overhead electrical cables sag in summer due to:

A.
B.
C.
D.
142)   

 The expansion of a gas at constant pressure is known as:

A.
B.
C.
D.
143)   

 The reason for using gaps between rails in railways is to:

A.
B.
C.
D.
144)   

Which property is used in designing thermostats?

A.
B.
C.
D.