Switchgear protections Archives

91. The reflection co-efficient at the open circuited end of a transmission line.

zero

infinity

unity

none of the above

Answer is Right!

Answer is Wrong!

Join Our Telegram Channel

Subscribe on YouTube

line." class="read-more button" href="https://exam.pscnotes.com/mcq/the-reflection-co-efficient-at-the-open-circuited-end-of-a-transmission-line/#more-43596">Detailed Solution

92. To limit short-circuit current in a power system are used

earth wires

isolators

H.R. fuses

reactors

Answer is Right!

Answer is Wrong!

Detailed

target="_blank" class="youtube-subscribe-button"> Subscribe on YouTube

Solution

93. For which of the following protection from negative sequence currents is provided ?

Generators

Motors

Transmission line

Transformers

Answer is Right!

Answer is Wrong!

Join Our Telegram Channel

Subscribe on YouTube

button" href="https://exam.pscnotes.com/mcq/for-which-of-the-following-protection-from-negative-sequence-currents-is-provided/#more-43020">Detailed Solution

94. In Railway applications ______ circuit breaker is used.

SFe

bulk oil

minimum oil

air break

Answer is Right!

Answer is Wrong!

Subscribe on YouTube

Join Our Telegram Channel

href="https://exam.pscnotes.com/mcq/in-railway-applications-______-circuit-breaker-is-used/#more-42915">Detailed Solution

Page 1 Page 2 Page 3 Page 4 Page 5

Test 1 Test 2