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.

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

325√3 VAR

325/√3 VAR

425√3 VAR

425/√3 VAR

325√3 VAR

325/√3 VAR

425√3 VAR

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MGVCL Exam Paper (30-07-2021 Shift 1)
A given solar cell has the following specifications:
Open-circuit voltage, Voc: 0.7 V
Short-circuit current, Isc: 3.5 A
Short-circuit current, Isc: 3.5 A
Short-circuit current, Isc: 3.5 A
If the solar cell operates at maximum power point, calculate the efficiency.

13.70%

15.70%

14.70%

12.70%

13.70%

15.70%

14.70%

12.70%

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MGVCL Exam Paper (30-07-2021 Shift 1)
In 2019, India stands ___ position in the consumption of electricity in the world.

Third

Second

Fourth

First

Third

Second

Fourth

First

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MGVCL Exam Paper (30-07-2021 Shift 1)
For sea water with σ = 5 mho/m and ε_r = 80, what is the distance for which ratio signal can be transmitted with 90% attenuation at 25 kHz?

327 m

0.327 m

3.27 m

32.7 m

327 m

0.327 m

3.27 m

32.7 m

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MGVCL Exam Paper (30-07-2021 Shift 1)
The miniature circuit breaker (MCB) shown in figure is

two pole MCB

five pole MCB

four pole MCB

three pole MCB

two pole MCB

five pole MCB

four pole MCB

three pole MCB

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MGVCL Exam Paper (30-07-2021 Shift 1)
Determine maximum permissible load which a 15 MVA, ONAN cooled transformer to IS : 2026 can take for 6 hr, if the initial load on it was 12 MVA. The weighted ambient temperature is 20˚C. Assume the permissible load kVA as a fraction of rated kVA is 1.25.

12 MVA

18.75 MVA

9.6 MVA

15 MVA

12 MVA

18.75 MVA

9.6 MVA

15 MVA

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MGVCL Exam Paper (30-07-2021 Shift 1)

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.

MGVCL Exam Paper (30-07-2021 Shift 1) A given solar cell has the following specifications:Open-circuit voltage, Voc: 0.7 VShort-circuit current, Isc: 3.5 AShort-circuit current, Isc: 3.5 AShort-circuit current, Isc: 3.5 AIf the solar cell operates at maximum power point, calculate the efficiency.

MGVCL Exam Paper (30-07-2021 Shift 1) In 2019, India stands ___ position in the consumption of electricity in the world.

MGVCL Exam Paper (30-07-2021 Shift 1) For sea water with σ = 5 mho/m and ε_r = 80, what is the distance for which ratio signal can be transmitted with 90% attenuation at 25 kHz?

MGVCL Exam Paper (30-07-2021 Shift 1) The miniature circuit breaker (MCB) shown in figure is

MGVCL Exam Paper (30-07-2021 Shift 1) Determine maximum permissible load which a 15 MVA, ONAN cooled transformer to IS : 2026 can take for 6 hr, if the initial load on it was 12 MVA. The weighted ambient temperature is 20˚C. Assume the permissible load kVA as a fraction of rated kVA is 1.25.

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.

MGVCL Exam Paper (30-07-2021 Shift 1)
In 2019, India stands ___ position in the consumption of electricity in the world.

MGVCL Exam Paper (30-07-2021 Shift 1)
For sea water with σ = 5 mho/m and ε_r = 80, what is the distance for which ratio signal can be transmitted with 90% attenuation at 25 kHz?

MGVCL Exam Paper (30-07-2021 Shift 1)
The miniature circuit breaker (MCB) shown in figure is

MGVCL Exam Paper (30-07-2021 Shift 1)
Determine maximum permissible load which a 15 MVA, ONAN cooled transformer to IS : 2026 can take for 6 hr, if the initial load on it was 12 MVA. The weighted ambient temperature is 20˚C. Assume the permissible load kVA as a fraction of rated kVA is 1.25.