Insulators MCQs | Insulators Objective Type Questions and Answers

(21) What is property of porosity and temperature change in insulating materials?

[A] Less, highly affected

[B] High, highly affected

[C] High, less affected

[D] Less, less affected

Answer: Less, less affected

(22) Which type of insulator is used where there is dead end of the line or there is a corner or a sharp curve, for high voltage line?

[A] Strain insulator

[B] Pin type insulator

[C] Shackle insulator

[D] Stay insulator

Answer: Strain insulator

(23) How many types of electrical insulators are present on the basis of voltage application?

[A] 2

[B] 5

[C] 1

[D] None of these

Answer: 2