Strain and Shackle Type Insulator - MCQs with Answers

Strain and Shackle Type Insulator - MCQs with Answers

Q1. Where is the strain type of insulators used?

a. Low voltage overhead lines.
b. Dead ends
c. Change in direction of the transmission lines.
d. Both (b) and (c).

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Q2. These insulators are provided on which type of plane?

a. Vertical plane
b. Horizontal plane.
c. On the surface.
d. All of these.

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Q3. Which insulator is also called as spool type of insulators?

a. Pin type.
b. Shackle type.
c. Suspension type.
d. Stay insulators.

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Q4. Assembly of which type of insulators are used as strain type of insulators?

a. Pin type.
b. Shackle type.
c. Suspension type.
d. None of these.

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Q5. Which type of insulators is mainly used for low voltage overhead lines?

a. Pin type.
b. Shackle type.
c. Suspension type.
d. None of these.

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Q6. The stay type of insulators is insulated at a height of not less than _________ m.

a. 5
b. 6
c. 3
d. 4

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Q7. Post type insulators are generally used in lines operating

a. Above 100 kV.
b. Below 33 kV.
c. At any voltage level.
d. None of these.

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Q8. Which type of insulators is used in guy wires?

a. Stay insulators.
b. Shackle insulators.
c. Pin type.
d. Strain type.

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Q9. Assertion (A): Glazing on ceramic insulators is done to make it smooth and non – absorbent.
Reason (R): Moisture from atmosphere collects on the surface causing electrical breakdown.

a. Both A and R are true and R is the correct explanation of A
b. Both A and R are true and R is not the explanation of A
c. A is true but R is false
d. A is false but R is true.

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