MGVCL Exam Paper (30-07-2021 Shift 1)
What are the states of the three ideal diodes of the circuit shown in figure ?

D1 OFF, D2 ON, D3 ON
D1 ON, D2 OFF, D3 ON
D1 ON, D2 OFF, D3 OFF
D1 OFF, D2 ON, D3 OFF

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MGVCL Exam Paper (30-07-2021 Shift 1)
Stability of power system can be improved by
1. Reducing voltage of transmission
2. Using parallel transmission lines
3. Using series compensators
Which of the above statements are correct?

1 and 3 only
All 1, 2 and 3
2 and 3 only
1 and 2 only

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

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MGVCL Exam Paper (30-07-2021 Shift 1)
Voltage dips cannot be caused by which of the following:

Capacitive Switching
Inductive Loading
Local and Remote faults
Switching on of Large Loads

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

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