www.ThinkITI.com

Home
MCQ
Search
Free Apps
Important
Study Groups
Contact Us
Policy

Home
MCQ
Objective Questions
ITI
Wireman
Wireman Set-1
Substation and equipment
14

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

Substation and equipment MCQ with Answers

For more MCQ's Click Here

Related Substation and equipment MCQ with Answers

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

18) Which gas is used as insulator in circuit breaker?

Nitrogen

Oxygen

Hydrogen

SF6

Answer is:

SF6

Substation and equipment MCQ with Answers

For more MCQ's Click Here