MGVCL Exam Paper (30-07-2021 Shift 1)
Insulation Power Factor testing on an oil-filled transformer is not helpful in determining ___

Turns ratio values
Condition of paper insulation (change in watts losses)
Whether the oil test indicates moisture
Movement of the windings (change in capacitance)

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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?

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

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 1)
The normal percentage bias setting of differential relay used for transformer protection will be

above 75%
between 50% and 75%
between 10% and 50%
below 10%

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

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

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP
MORE MCQ ON MGVCL Exam Paper (30-07-2021 Shift 1)