A 10-pole induction motor is supplied by a 6-pole alternator, which is driven at 1400 rpm. If the motor runs with a slip of 5%, what is its speed?

MGVCL Exam Paper (30-07-2021 Shift 3)
A 10-pole induction motor is supplied by a 6-pole alternator, which is driven at 1400 rpm. If the motor runs with a slip of 5%, what is its speed?

798 rpm

882 rpm

1575 rpm

1425 rpm

798 rpm

882 rpm

1575 rpm

1425 rpm

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MGVCL Exam Paper (30-07-2021 Shift 3)
What items should be considered when looking at a site for a new transformer installation?

Environmental impact

All of these

Site Survey

Soils Report

Environmental impact

All of these

Site Survey

Soils Report

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MGVCL Exam Paper (30-07-2021 Shift 3)
Determine the ohmic value of the current limiting reactor per phase external to a 40 MVA, 15 kV, 50 Hz, three phase synchronous generator which can limit the current on short circuit of 6 times the full load current. The reactance of the synchronous generator is 0.06 pu.

0.6 Ω

0.2 Ω

0.4 Ω

0.8 Ω

0.6 Ω

0.2 Ω

0.4 Ω

0.8 Ω

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MGVCL Exam Paper (30-07-2021 Shift 3)
Thermopile is used for the measurement of

flow rate

current

temperature

emf

flow rate

current

temperature

emf

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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?

4.25

2.5

6.25

1.25

4.25

2.5

6.25

1.25

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MGVCL Exam Paper (30-07-2021 Shift 3)
A single phase full converter bridge, connected to 230 V, 50 Hz source is feeding a load R =10 Ω in series with a large inductance that makes the load current ripple free. For a firing angle of 450, calculate the rectification efficiency.

63.66%

76.66%

28.33%

50.55%

63.66%

76.66%

28.33%

50.55%

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

MGVCL Exam Paper (30-07-2021 Shift 3) A 10-pole induction motor is supplied by a 6-pole alternator, which is driven at 1400 rpm. If the motor runs with a slip of 5%, what is its speed?

MGVCL Exam Paper (30-07-2021 Shift 3) What items should be considered when looking at a site for a new transformer installation?

MGVCL Exam Paper (30-07-2021 Shift 3) Thermopile is used for the measurement of

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 single phase full converter bridge, connected to 230 V, 50 Hz source is feeding a load R =10 Ω in series with a large inductance that makes the load current ripple free. For a firing angle of 450, calculate the rectification efficiency.

MGVCL Exam Paper (30-07-2021 Shift 3)
A 10-pole induction motor is supplied by a 6-pole alternator, which is driven at 1400 rpm. If the motor runs with a slip of 5%, what is its speed?

MGVCL Exam Paper (30-07-2021 Shift 3)
What items should be considered when looking at a site for a new transformer installation?

MGVCL Exam Paper (30-07-2021 Shift 3)
Thermopile is used for the measurement of

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 single phase full converter bridge, connected to 230 V, 50 Hz source is feeding a load R =10 Ω in series with a large inductance that makes the load current ripple free. For a firing angle of 450, calculate the rectification efficiency.