MGVCL Exam Paper (30-07-2021 Shift 1)
Two-wattmeter method is used to measure the power taken by a 3-phase induction motor on no load. The wattmeter readings are 375 W and –50 W. Calculate the reactive power taken by the load.

425/√3 VAR
425√3 VAR
325/√3 VAR
325√3 VAR

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MGVCL Exam Paper (30-07-2021 Shift 1)
A thermistor is inherently suitable for temperature measurement involving

high span and high sensitivity
high span and low sensitivity
low span and high sensitivity
low span and low sensitivity

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MGVCL Exam Paper (30-07-2021 Shift 1)
Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer?

star-star
star-delta
delta-star
delta-delta

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MGVCL Exam Paper (30-07-2021 Shift 1)
The single line diagram of the simple system is shown in figure the corresponding reactance diagram is

A
B
D
C

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