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Insulators MCQs | Insulators Objective Type Questions and Answers

Questions
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
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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

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