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

MGVCL Exam Paper (30-07-2021 Shift 1)
A new generation of smart meters is known as ____

SMETS3

SMETS1

SMETS4

SMETS2

SMETS3

SMETS1

SMETS4

SMETS2

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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.

12.70%

15.70%

13.70%

14.70%

12.70%

15.70%

13.70%

14.70%

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MGVCL Exam Paper (30-07-2021 Shift 1)
An eight-pole wave-connected armature has 600 conductors and is driven at 625 rev/min. If the flux per pole is 20 mWb, determine the generated emf.

500 V

250 V

125 V

325 V

500 V

250 V

125 V

325 V

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MGVCL Exam Paper (30-07-2021 Shift 1)
By inserting a plate of dielectric material between the plates of a parallel plate capacitor at constant potential, the energy stored in the capacitor is increased five times. The dielectric constant of the material is

5

1/25

1/5

25

5

1/25

1/5

25

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MGVCL Exam Paper (30-07-2021 Shift 1)
_ is the short time reduction in the rms voltage between 0.1 to 0.9 p.u for a duration of _

Voltage sag, greater than 1 minute

Voltage swell, greater than 1 minute

Voltage sag, 0.5 cycle to 1 minute.

Voltage swell, 0.5 cycle to 1 minute.

Voltage sag, greater than 1 minute

Voltage swell, greater than 1 minute

Voltage sag, 0.5 cycle to 1 minute.

Voltage swell, 0.5 cycle to 1 minute.

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MGVCL Exam Paper (30-07-2021 Shift 1)
Consider the following statements and choose the correct option:
Statement 1: The magnitude of earth fault current for a given fault position within a winding depends upon the method of neutral grounding.
Statement 2: Earth fault protection for an electric motor is provided by means of instantaneous overcurrent relay.

Both Statement 1 and Statement 2 are TRUE

Both Statement 1 and Statement 2 are FALSE

Statement 1 is FALSE and Statement 2 is TRUE

Statement 1 is TRUE and Statement 2 is FALSE

Both Statement 1 and Statement 2 are TRUE

Both Statement 1 and Statement 2 are FALSE

Statement 1 is FALSE and Statement 2 is TRUE

Statement 1 is TRUE and Statement 2 is FALSE

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