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WCS
WCS Set-1
Material Science
23

Material Science MCQ with Answers

23) Which among the following is an insulator?

Copper

Aluminium

Silver

Mica

Answer is:

Mica

Material Science MCQ with Answers

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Related Material Science MCQ with Answers

24) Which rubber is used as insulator for power cables and control wires?

Butyl

Hypalone

Silicon

Nitrite butadiene

Answer is:

Silicon

25) Which alloy steel is used to make permanent magnets?

Silicon steel

Manganese steel

Vanadium steel

Cobalt steel

Answer is:

Cobalt steel

26) Which insulator is used in over head lines?

Mica

Rubber

P.V.C

Porcelain

Answer is:

Porcelain

27) Which insulating material is used for making switches?

Porcelain

PVC

Bakelite

Ebonite

Answer is:

Bakelite

Material Science MCQ with Answers

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