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

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

31) Which is not a property of an insulator

Answer is:

High permittivity

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

Answer is:

Porcelain

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

Answer is:

C - Class

34) Which insulating material is having high dielectric strength ?

Answer is:

Mica

35) Which material is NOT an insulating material ?

Answer is:

Carbon

4
5
6
7
8
9
10