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MCQ - TNPSC JTO

JTO - 540 - Trade - Workshop Calculation Science

540 Unit 2 Material Science and Heat Treatment

161)   

Which property makes cast iron suitable for engine blocks?

A.
B.
C.
D.
162)   

Tool steel is primarily used for: 

A.
B.
C.
D.
163)   

Which non-ferrous metal is commonly used in electrical wiring? 

A.
B.
C.
D.
164)   

What happens to steel at the upper critical temperature?

A.
B.
C.
D.
165)   

What property is enhanced in steel by tempering? 

A.
B.
C.
D.
166)   

Which property is improved by adding molybdenum to alloy steel?

A.
B.
C.
D.
167)   

Synthetic rubber is commonly used in:

A.
B.
C.
D.
168)   

Which parameter determines the depth of case hardening?

A.
B.
C.
D.
169)   

Which property distinguishes ferrous metals from non-ferrous metals?

A.
B.
C.
D.
170)   

Which of the following materials is most commonly used to insulate electrical wires? 

A.
B.
C.
D.
171)   

Medium-carbon steel typically contains carbon in the range of: 

A.
B.
C.
D.
172)   

Stress relief annealing is performed to: 

A.
B.
C.
D.
173)   

The primary advantage of case hardening is: 

A.
B.
C.
D.
174)   

Which of the following is NOT typically considered an alloying element in steel? 

A.
B.
C.
D.
175)   

Which of the following is a softwood commonly used in construction? 

A.
B.
C.
D.
176)   

Which metal has the best corrosion resistance? 

A.
B.
C.
D.