MGVCL Exam Paper (30-07-2021 Shift 2)
Interposing current-transformer (CT) is used in differential protection of a transformer to

minimize the effect of saturation of the main CTs
increase the sensitivity of the relay
match the standard ratio of CTs used on both sides of the transformer winding
limit the main CT secondary current

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 2)
Which one of the following statement with respect to Aerial Bunched Cables (ABC) system is TRUE?

ABC system totally eliminates the fault on lines and thereby improving the quality of supply.
ABC system is not suitable for rural electrification which are situated in difficult terrain, hills, forests and coastal areas.
The overall cost of the ABC system is very high as compared to the bare conductor system.
ABC system requires more clearance, insulators and high maintenance.

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 2)
Which of the following does the term 'feeder automation' include?

automatic reclosing
feeder remote point voltage control
substation reactive power control
All of these

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP