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MCQ - TNPSC JTO

JTO - 436 - Fitter

436 - Unit VIII Metals Metal Non Metal

1)   

The main raw material used in the manufacturing of pig iron is:

A.
B.
C.
D.
Answer: B
2)   

Pig iron is produced in:

A.
B.
C.
D.
Answer: C
3)   

The carbon content in pig iron is approximately:

A.
B.
C.
D.
Answer: C
4)   

 The main impurity in pig iron is:

A.
B.
C.
D.
Answer: B
5)   

Cast iron is obtained by remelting:

A.
B.
C.
D.
Answer: B
6)   

 The carbon content in cast iron is in the range of:

A.
B.
C.
D.
Answer: C
7)   

 Which type of cast iron is produced when carbon is in the form of free graphite flakes?

A.
B.
C.
D.
Answer: C
8)   

White cast iron is hard and brittle because:

A.
B.
C.
D.
Answer: B
9)   

Wrought iron contains carbon in the range of:

A.
B.
C.
D.
Answer: A
10)   

Wrought iron is manufactured in a:

A.
B.
C.
D.
Answer: B
11)   

The main property of wrought iron is:

A.
B.
C.
D.
Answer: B
12)   

 Wrought iron has high resistance to:

A.
B.
C.
D.
Answer: B
13)   

Mild steel contains carbon in the range of:

A.
B.
C.
D.
Answer: A
14)   

High-carbon steel has carbon content in the range of:

A.
B.
C.
D.
Answer: C
15)   

The Bessemer process is used for manufacturing:

A.
B.
C.
D.
Answer: C
16)   

The density of aluminium is about:

A.
B.
C.
D.
Answer: B