MGVCL Exam Paper (30-07-2021 Shift 1)
Which among the following are included in the two part tariff?
i. Fixed charges
ii. Running charges
iii. Semi fixed charges

(i), (ii) and (iii)
(i) and (ii) only
(i) and (iii) only
(ii) and (iii) only

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MGVCL Exam Paper (30-07-2021 Shift 1)
Murray loop test is performed on a faulty cable 300 m long. At balance, the resistance connected to the faulty core was set at 15 Ω and the resistance of the resistor connected to the sound core was 45 Ω. Calculate the distance of the fault point from the test end.

150 m
225 m
75 m
450 m

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MGVCL Exam Paper (30-07-2021 Shift 1)
A 16 A, Type B Miniature Circuit Breaker (MCB) will disconnect a fault in 0.1s when the fault current is

less than 16 A
greater than 32 A
between 48 A and 80 A
less than 16 A

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MGVCL Exam Paper (30-07-2021 Shift 1)
For protection of inter-turn fault in transformer, the relays preferred are

Buchholz's relay, overcurrent relay and differential relay
Overcurrent relay and Buchholz's relay
Buchholz's relay and differential relay
Overcurrent relay and differential relay

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MGVCL Exam Paper (30-07-2021 Shift 1)
In a single phase energy meter, the series electromagnet is energized by a ___ of ___

current coil, thick wire of few turns
current coil, thin wire of more turns
voltage coil, thick wire of few turns
voltage coil, thin wire of more turns

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