Voltage dips cannot be caused by which of the following:

MGVCL Exam Paper (30-07-2021 Shift 1)
Voltage dips cannot be caused by which of the following:

Switching on of Large Loads

Local and Remote faults

Inductive Loading

Capacitive Switching

Switching on of Large Loads

Local and Remote faults

Inductive Loading

Capacitive Switching

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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?

0.327 m

327 m

3.27 m

32.7 m

0.327 m

327 m

3.27 m

32.7 m

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MGVCL Exam Paper (30-07-2021 Shift 1)
An RC series circuit with R = 150 Ω and C = 2 μF is excited by a DC source of 15 V by closing the switch at t = 0 with an initially uncharged capacitor. The initial and final voltages across the capacitor respectively are

10 V, 15 V

0 V, 15 V

0 V, 10 V

15 V, 10 V

10 V, 15 V

0 V, 15 V

0 V, 10 V

15 V, 10 V

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MGVCL Exam Paper (30-07-2021 Shift 1)
Which of the following malicious programs does not replicate automatically?

Trojan horse

Virus

Worm

Trap doors

Trojan horse

Virus

Worm

Trap doors

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MGVCL Exam Paper (30-07-2021 Shift 1)
If a 415 V, 50 Hz, star-connected, three-phase squirrel-cage induction motor is operated from a 415 V, 70 Hz supply, the torque that the motor can now provide while drawing rated current from the supply

remains the same

increases or reduces depending upon the rotor resistance

increases

reduces

remains the same

increases or reduces depending upon the rotor resistance

increases

reduces

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MGVCL Exam Paper (30-07-2021 Shift 1)
An alternator is supplying load of 300 kW at a power factor of 0.5 lagging. If the power factor is raised to unity, how many more kilowatts can alternator supply for the same kVA loading?

600 kW

150 kW

300 kW

450 kW

600 kW

150 kW

300 kW

450 kW

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

MGVCL Exam Paper (30-07-2021 Shift 1) Voltage dips cannot be caused by which of the following:

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) An RC series circuit with R = 150 Ω and C = 2 μF is excited by a DC source of 15 V by closing the switch at t = 0 with an initially uncharged capacitor. The initial and final voltages across the capacitor respectively are

MGVCL Exam Paper (30-07-2021 Shift 1) Which of the following malicious programs does not replicate automatically?

MGVCL Exam Paper (30-07-2021 Shift 1) If a 415 V, 50 Hz, star-connected, three-phase squirrel-cage induction motor is operated from a 415 V, 70 Hz supply, the torque that the motor can now provide while drawing rated current from the supply

MGVCL Exam Paper (30-07-2021 Shift 1) An alternator is supplying load of 300 kW at a power factor of 0.5 lagging. If the power factor is raised to unity, how many more kilowatts can alternator supply for the same kVA loading?

MGVCL Exam Paper (30-07-2021 Shift 1)
Voltage dips cannot be caused by which of the following:

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)
An RC series circuit with R = 150 Ω and C = 2 μF is excited by a DC source of 15 V by closing the switch at t = 0 with an initially uncharged capacitor. The initial and final voltages across the capacitor respectively are

MGVCL Exam Paper (30-07-2021 Shift 1)
Which of the following malicious programs does not replicate automatically?

MGVCL Exam Paper (30-07-2021 Shift 1)
If a 415 V, 50 Hz, star-connected, three-phase squirrel-cage induction motor is operated from a 415 V, 70 Hz supply, the torque that the motor can now provide while drawing rated current from the supply

MGVCL Exam Paper (30-07-2021 Shift 1)
An alternator is supplying load of 300 kW at a power factor of 0.5 lagging. If the power factor is raised to unity, how many more kilowatts can alternator supply for the same kVA loading?