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ITI
WCS
WCS Set-1
Material Science
25

Material Science MCQ with Answers

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

Silicon steel

Manganese steel

Vanadium steel

Cobalt steel

Answer is:

Cobalt steel

Material Science MCQ with Answers

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Related Material Science MCQ with Answers

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

28) What is the name of the property of an insulation that should brake down or puncture on application of high voltage?

Di-electric strength

Specific resistance

Mechanical strenth

Non absorption

Answer is:

Di-electric strength

29) Which alloy steel is using for making precious instrument?

Silicon steel

Manganese steel

Invar steel

Vanadium

Answer is:

Invar steel

Material Science MCQ with Answers

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