ExamVeda
Login
Home

Relays are used for phase faults on long line

This question belongs to Electrical Engineering Switchgear Protections
Switchgear Protections
?

Relays are used for phase faults on long line.

Answer & Solution
Correct Answer: Option A
Let's discuss the solution. Join the discussion
Examveda
Question posted by Examveda
Community

Join the Discussion

2 Comments
Engr Farman
Engr Farman 6 years ago
Moh relay
Vikas Yadav
Vikas Yadav 6 years ago
Ans should be D, coz for long transmission line relay are used. Impedance relay for medium transmission line. Don't simply copy the answer from RK Rajput.
Keep Learning

Related Questions on Switchgear Protections

Magnetic circuit breaker has ______ trip action.
A. delayed B. instantaneous C. both of the above D. none of the above
In a circuit breaker the basic problem is to
A. maintain the arc B. extinguish the arc C. transmit large power D. emit the ionizing electrons
The arcing contacts in a circuit breaker are made of
A. copper tungsten alloy B. porcelain C. electrolytic copper D. aluminium alloy
Air blast circuit breaker is used for
A. over currents B. short duty C. intermittant duty D. repeated duty
More Related Questions on Switchgear Protections