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MCQ - TNPSC JTO

JTO - 436 - Fitter

436 - Unit VIII Metals Metal Non Metal

81)   

Which non-ferrous metal has the highest electrical conductivity?

A.
B.
C.
D.
82)   

Cladding is the process of:

A.
B.
C.
D.
83)   

Which process involves spraying molten metal on a surface to form a coating?

A.
B.
C.
D.
84)   

Cementation for surface hardening involves:

A.
B.
C.
D.
85)   

Which metal is commonly electroplated on automobile parts for decorative purposes?

A.
B.
C.
D.
86)   

The electrolyte used for silver electroplating is generally:

A.
B.
C.
D.
87)   

In galvanizing, zinc coating protects iron mainly by:

A.
B.
C.
D.
88)   

The most common method of galvanizing is:

A.
B.
C.
D.
89)   

The main cause of rusting in iron is:

A.
B.
C.
D.
90)   

Nitriding introduces which element into the surface?

A.
B.
C.
D.
91)   

Cyaniding is carried out in a bath of:

A.
B.
C.
D.
92)   

Which surface hardening process is best suited for small parts and tools?

A.
B.
C.
D.
93)   

The body-centered cubic (BCC) form of iron stable at room temperature is called:

A.
B.
C.
D.
94)   

The face-centered cubic (FCC) form of iron is known as:

A.
B.
C.
D.
95)   

Spheroidizing annealing is done mainly to:

A.
B.
C.
D.
96)   

Stress-relief annealing is used to:

A.
B.
C.
D.