MGVCL Exam Paper (30-07-2021 Shift 3)
Consider the following statements associated with Buchholz’s relays.
Statement 1: Buchholz's relay is used for protection of a transformer against incipient faults.
Statement 2: Buchholz's relay can be installed on oil cooled transformers.

Both Statement 1 and Statement 2 are TRUE
Statement 1 is FALSE and Statement 2 is TRUE
Statement 1 is TRUE and Statement 2 is FALSE
Both Statement 1 and Statement 2 are FALSE

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MGVCL Exam Paper (30-07-2021 Shift 3)
If the velocity of wind is doubled then the power output will

increase by 8 times
reduced to half
doubled
increase by 6 times

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MGVCL Exam Paper (30-07-2021 Shift 3)
The most commonly used method for the protection of three phase feeder is

None of these
Reverse power protection
Differential protection
Time graded protection

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