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MCQ - TNPSC JTO

JTO - 436 - Fitter

436 - Unit VIII Metals Metal Non Metal

97)   

Compared to annealing, normalizing produces:

A.
B.
C.
D.
98)   

Normalizing is preferred over annealing when:

A.
B.
C.
D.
99)   

Quenching of steel is done to:

A.
B.
C.
D.
100)   

In hardening, which factor most affects distortion and cracking?

A.
B.
C.
D.
101)   

Pig iron is obtained by the smelting of ______.

A.
B.
C.
D.
102)   

The main furnace used for pig iron production is ______.

A.
B.
C.
D.
103)   

Pig iron contains about ______% carbon.

A.
B.
C.
D.
104)   

Cast iron is obtained by re-melting of ______.

A.
B.
C.
D.
105)   

The carbon percentage in cast iron is generally between ______.

A.
B.
C.
D.
106)   

White cast iron is obtained when the carbon in cast iron is present as ______.

A.
B.
C.
D.
107)   

Grey cast iron is identified by the presence of ______ in its structure.

A.
B.
C.
D.
108)   

Wrought iron is produced by the process of ______.

A.
B.
C.
D.
109)   

The carbon content of wrought iron is about ______.

A.
B.
C.
D.
110)   

Wrought iron is tough, ductile and malleable because of its ______ content.

A.
B.
C.
D.
111)   

Steel is mainly an alloy of iron and ______.

A.
B.
C.
D.
112)   

The carbon content of plain carbon steel ranges from ______.

A.
B.
C.
D.