sparksacademychennai@gmail.com +91 8190879379 Saidapet, Chennai

MCQ - TNPSC JTO

JTO - 436 - Fitter

436 - Unit VIII Metals Metal Non Metal

145)   

Zinc is mainly used for ______.

A.
B.
C.
D.
146)   

The specific gravity of zinc is about ______.

A.
B.
C.
D.
147)   

German silver is an alloy of ______.

A.
B.
C.
D.
148)   

Gunmetal is used for making ______.

A.
B.
C.
D.
149)   

Which non-ferrous metal is most suitable for making water pipes?

A.
B.
C.
D.
150)   

The bluish-green coating that forms on copper when exposed to atmosphere is ______.

A.
B.
C.
D.
151)   

Which of the following metals is most suitable for making electric wires?

A.
B.
C.
D.
152)   

Aluminium is often alloyed with copper, magnesium, and manganese to form ______.

A.
B.
C.
D.
153)   

The protective oxide film that forms naturally on aluminium is ______.

A.
B.
C.
D.
154)   

Lead is not suitable for structural applications because it is ______.

A.
B.
C.
D.
155)   

Which non-ferrous metal has the highest density?

A.
B.
C.
D.
156)   

White metal used for bearings generally contains ______.

A.
B.
C.
D.
157)   

Tin is commonly used in the production of ______.

A.
B.
C.
D.
158)   

Which of the following alloys contains zinc as the major alloying element?

A.
B.
C.
D.
159)   

Brass is commonly used for making ______.

A.
B.
C.
D.
160)   

Bronze is harder and stronger than pure copper because it contains ______.

A.
B.
C.
D.