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Electrician
Electrician Set-1
Conductors and Insulation
32

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

32) What is the insulating material used for heater base ?

Asbestos

Mica

Porcelain

Bakelite

Answer is:

Porcelain

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

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

33) Insulating materials are classified according to their withstanding temperature. Which class of material can withstand temperature up to 225 Degree C ?

Y - Class

A - Class

B - Class

C - Class

Answer is:

C - Class

34) Which insulating material is having high dielectric strength ?

Porcelain

Fibre

Mica

Glass

Answer is:

Mica

35) Which material is NOT an insulating material ?

Wood

Carbon

Asbestos

Bakelite

Answer is:

Carbon

36) What is the fundamental property of insulating material ?

Low breakdown voltage

High dielectric strength

Less flexibility

Hygroscopic

Answer is:

High dielectric strength

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

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