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Electrician
Electrician Set-1
Conductors and Insulation
77

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

77) The main characteristics of insulating material is

more current conductivity

low mechanical strength

high dielectric strength

low melting point

Answer is:

high dielectric strength

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

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

78) The insulating material used in between commutator segment is

ebonite

mica

empire

glass

Answer is:

mica

79) Which insulating material is used between the transistor and the heat sink to arrest the air gap ?

Ebonite

Mica

Rubber

Fibre

Answer is:

Mica

80) Which one of the following insulating material belongs to class "E" insulation ?

Cotton

Silicone elastomer

Leatheroid paper

Glass fibre

Answer is:

Leatheroid paper

81) Which type of insulating tapes are available in sheets and rolls and used for motor connecting leads ?

Varnished cambric tapes

Rubber tape

Friction tape

PVC tape

Answer is:

Varnished cambric tapes

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

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