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)
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?

1.25

2.5

6.25

4.25

1.25

2.5

6.25

4.25

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MGVCL Exam Paper (30-07-2021 Shift 3)
____ is the rms value of AC component of the current in the pole at the instant of contact separation.

Making current

Asymmetrical breaking current

Symmetrical breaking current

Symmetrical short circuit current

Making current

Asymmetrical breaking current

Symmetrical breaking current

Symmetrical short circuit current

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MGVCL Exam Paper (30-07-2021 Shift 3)
A star connected synchronous generator rated at 500 MVA, 50 kV has a reactance of 0.5 pu. Find the ohmic value of the reactance.

0.25 Ω

0.1 Ω

2.5 Ω

1 Ω

0.25 Ω

0.1 Ω

2.5 Ω

1 Ω

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MGVCL Exam Paper (30-07-2021 Shift 3)
If the velocity of wind is doubled then the power output will

increase by 6 times

increase by 8 times

reduced to half

doubled

increase by 6 times

increase by 8 times

reduced to half

doubled

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MGVCL Exam Paper (30-07-2021 Shift 3)
A group of computers and other devices connected together is called a network and the concept of connected computers sharing resources is called ____

Switching

Routing

Linking

Networking

Switching

Routing

Linking

Networking

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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.

30 kVA

25 kVA

60 kVA

50 kVA

30 kVA

25 kVA

60 kVA

50 kVA

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

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) ____ is the rms value of AC component of the current in the pole at the instant of contact separation.

MGVCL Exam Paper (30-07-2021 Shift 3) A star connected synchronous generator rated at 500 MVA, 50 kV has a reactance of 0.5 pu. Find the ohmic value of the reactance.

MGVCL Exam Paper (30-07-2021 Shift 3) If the velocity of wind is doubled then the power output will

MGVCL Exam Paper (30-07-2021 Shift 3) A group of computers and other devices connected together is called a network and the concept of connected computers sharing resources is called ____

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)
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)
____ is the rms value of AC component of the current in the pole at the instant of contact separation.

MGVCL Exam Paper (30-07-2021 Shift 3)
A star connected synchronous generator rated at 500 MVA, 50 kV has a reactance of 0.5 pu. Find the ohmic value of the reactance.

MGVCL Exam Paper (30-07-2021 Shift 3)
If the velocity of wind is doubled then the power output will

MGVCL Exam Paper (30-07-2021 Shift 3)
A group of computers and other devices connected together is called a network and the concept of connected computers sharing resources is called ____

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.