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13

Substation and equipment MCQ with Answers

13) What current the secondary of a CT is designed?

2 Amp

3 Amp

4 Amp

5 Amp

Answer is:

5 Amp

Substation and equipment MCQ with Answers

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Related Substation and equipment MCQ with Answers

14) What action is required before disconnecting the ammeter connected with CT?

Remove the earth of CT

short the secondary of CT

Opened the secondary side of CT

Switch OFF total supply

Answer is:

short the secondary of CT

15) Which is the use of lighting arrester in HT line?

Protect the transformers from surge

For short circuit protection

For open circuit protection

For leakage protection

Answer is:

Protect the transformers from surge

16) What is the name of device used for protection against lightning in over head line?

Air circuit breaker

Oil circuit breaker

Lightning arrester

Isolator

Answer is:

Lightning arrester

17) Which is the function of a lightning arrester?

Protection from over current

Protection from leakage current

Protection from lower current

Protection from over voltage due to lightning

Answer is:

Protection from over voltage due to lightning

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