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MCQ - TNPSC JTO

JTO - 540 - Trade - Workshop Calculation Science

540 Unit 2 Material Science and Heat Treatment

97)   

Which application is most suitable for cast iron? 

A.
B.
C.
D.
98)   

Which medium provides the fastest cooling rate during quenching? 

A.
B.
C.
D.
99)   

Which property is most important for thermal insulating materials? 

A.
B.
C.
D.
100)   

What is the purpose of normalizing steel? 

A.
B.
C.
D.
101)   

What is the primary purpose of annealing in metals? 

A.
B.
C.
D.
102)   

What is the typical range of carbon content in cast iron? 

A.
B.
C.
D.
103)   

Vulcanization increases which property of rubber? 

A.
B.
C.
D.
104)   

Which of the following is considered an alloy steel?

A.
B.
C.
D.
105)   

Which of the following is a thermal insulating material?

A.
B.
C.
D.
106)   

What is the key effect of normalizing steel? 

A.
B.
C.
D.
107)   

What is the key property of low-carbon steel?

A.
B.
C.
D.
108)   

Which heat treatment process improves toughness the most?

A.
B.
C.
D.
109)   

What is the most important property of timber used for furniture?

A.
B.
C.
D.
110)   

Which medium produces the slowest cooling during quenching?

A.
B.
C.
D.
111)   

Which element is primarily responsible for the hardness of steel? 

A.
B.
C.
D.
112)   

What is the main purpose of hardening steel? 

A.
B.
C.
D.