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Electrician
Electrician Set-1
Conductors and Insulation
35

Conductors and Insulation MCQ - Electrician (Set-1) with Answers

35) Which material is NOT an insulating material ?

Wood

Carbon

Asbestos

Bakelite

Answer is:

Carbon

Conductors and Insulation MCQ - Electrician (Set-1) with Answers

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Related Conductors and Insulation MCQ - Electrician (Set-1) with Answers

36) What is the fundamental property of insulating material ?

Low breakdown voltage

High dielectric strength

Less flexibility

Hygroscopic

Answer is:

High dielectric strength

37) The property of an insulating material is the measure of how much potential difference, the insulation layer can withstand without breakdown is called as

mechanical strength

dielectric strength

insulation resistance

flexibility

Answer is:

dielectric strength

38) The insulating material used in connecting leads of the electric heater is

Bakelite material

Porcelain material

Rubber material

Asbestos material

Answer is:

Porcelain material

39) The potential difference that causes the breakdown of insulation is called the

breakdown voltage

dielectric strength

insulation resistance

conductivity

Answer is:

breakdown voltage

Conductors and Insulation MCQ - Electrician (Set-1) with Answers

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