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.

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

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MGVCL Exam Paper (30-07-2021 Shift 3)
In a single phase energy meter, the pressure / voltage coil is wound on

the edges of the limb on the laminated core
the centre limb of the laminated core / the middle limb of the shunt magnet
both the limbs of the laminated core with same turns
both the limbs of the laminated core with different turns

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MGVCL Exam Paper (30-07-2021 Shift 3)
The short circuit current of a solar cell is

directly proportional to radiation intensity
constant and not affected by radiation
changes logarithmically with radiation
inversely proportional to radiation intensity

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MGVCL Exam Paper (30-07-2021 Shift 3)
In two-part tariff, the ____ charges depend upon the maximum demand of the consumer and the ____ charges depend upon the number of units consumed by the consumer.

semi-fixed, running
fixed, semi-fixed
fixed, running
running, fixed

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