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Electrician
Electrician Set-1
Conductors and Insulation
38

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

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

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

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

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

breakdown voltage

dielectric strength

insulation resistance

conductivity

Answer is:

breakdown voltage

40) Which is the high temperature withstanding insulating material ?

Bakelite

Wood

Asbestos

Mica

Answer is:

Asbestos

41) There are two fundamental properties for insulating materials. One property is high insulation resistance. What is the another property ?

High resistance to heat

High dielectric strength

High Hygroscopic

High mechanical strength

Answer is:

High dielectric strength

42) Which type of insulating tape is used for insulating joints ?

Friction tape

Plastic tape

Rubber tape

Varnished cambric tape

Answer is:

Rubber tape

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

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