Continuous and rapid variations in the load current magnitude which causes voltage variations is known as

MGVCL Exam Paper (30-07-2021 Shift 3)
Continuous and rapid variations in the load current magnitude which causes voltage variations is known as

Voltage sag

Harmonics

Voltage distortion

Flicker

Voltage sag

Harmonics

Voltage distortion

Flicker

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MGVCL Exam Paper (30-07-2021 Shift 3)
If the phase velocity of a plane wave in a perfect dielectric is 0.4 times its value in free space, then what is the relative permittivity of the dielectric?

2.5

6.25

4.25

1.25

2.5

6.25

4.25

1.25

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MGVCL Exam Paper (30-07-2021 Shift 3)
A 1000 kVA ONAN cooled transformer has a load of 500 kVA throughout the day except for a period of 2 hours. What is the permissible overload for a duration of two hours. Assume the permissible load kVA as a fraction of rated kVA is 1.43.

715 kVA

1050 kVA

700 kVA

1430 kVA

715 kVA

1050 kVA

700 kVA

1430 kVA

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MGVCL Exam Paper (30-07-2021 Shift 3)
The short circuit current of a solar cell is

directly proportional to radiation intensity

inversely proportional to radiation intensity

constant and not affected by radiation

changes logarithmically with radiation

directly proportional to radiation intensity

inversely proportional to radiation intensity

constant and not affected by radiation

changes logarithmically with radiation

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MGVCL Exam Paper (30-07-2021 Shift 3)
The DC offset in fault current causes conventional over-current (OC) relays to :

reach remains unaffected due to DC offset

over-reach

under-reach

sometimes under-reach and sometimes over-reach

reach remains unaffected due to DC offset

over-reach

under-reach

sometimes under-reach and sometimes over-reach

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MGVCL Exam Paper (30-07-2021 Shift 3)
A 200/400 V, 20 kVA, 2-winding transformer is connected as an auto-transformer to transform 600 V to 200 V. Calculate the kVA rating of the auto-transformer.

25 kVA

30 kVA

50 kVA

60 kVA

25 kVA

30 kVA

50 kVA

60 kVA

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MGVCL Exam Paper (30-07-2021 Shift 3)

MGVCL Exam Paper (30-07-2021 Shift 3) Continuous and rapid variations in the load current magnitude which causes voltage variations is known as

MGVCL Exam Paper (30-07-2021 Shift 3) If the phase velocity of a plane wave in a perfect dielectric is 0.4 times its value in free space, then what is the relative permittivity of the dielectric?

MGVCL Exam Paper (30-07-2021 Shift 3) A 1000 kVA ONAN cooled transformer has a load of 500 kVA throughout the day except for a period of 2 hours. What is the permissible overload for a duration of two hours. Assume the permissible load kVA as a fraction of rated kVA is 1.43.

MGVCL Exam Paper (30-07-2021 Shift 3) The short circuit current of a solar cell is

MGVCL Exam Paper (30-07-2021 Shift 3) The DC offset in fault current causes conventional over-current (OC) relays to :

MGVCL Exam Paper (30-07-2021 Shift 3) A 200/400 V, 20 kVA, 2-winding transformer is connected as an auto-transformer to transform 600 V to 200 V. Calculate the kVA rating of the auto-transformer.

MGVCL Exam Paper (30-07-2021 Shift 3)
Continuous and rapid variations in the load current magnitude which causes voltage variations is known as

MGVCL Exam Paper (30-07-2021 Shift 3)
If the phase velocity of a plane wave in a perfect dielectric is 0.4 times its value in free space, then what is the relative permittivity of the dielectric?

MGVCL Exam Paper (30-07-2021 Shift 3)
A 1000 kVA ONAN cooled transformer has a load of 500 kVA throughout the day except for a period of 2 hours. What is the permissible overload for a duration of two hours. Assume the permissible load kVA as a fraction of rated kVA is 1.43.

MGVCL Exam Paper (30-07-2021 Shift 3)
The short circuit current of a solar cell is

MGVCL Exam Paper (30-07-2021 Shift 3)
The DC offset in fault current causes conventional over-current (OC) relays to :

MGVCL Exam Paper (30-07-2021 Shift 3)
A 200/400 V, 20 kVA, 2-winding transformer is connected as an auto-transformer to transform 600 V to 200 V. Calculate the kVA rating of the auto-transformer.