What is the value of the characteristic impedance of a transmission line with impedance and admittance of 15 and 5?

MGVCL Exam Paper (30-07-2021 Shift 3)
What is the value of the characteristic impedance of a transmission line with impedance and admittance of 15 and 5?

1.732

1.414

0.577

0.7.7

1.732

1.414

0.577

0.7.7

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MGVCL Exam Paper (30-07-2021 Shift 3)
In a 3-phase, 4-wire, 400/230 V system, a lamp (L₁) of 100 W is connected to one phase and neutral and a lamp (L₂) of 150 W is connected to the second pahse and neutral. If the neutral wire is disconnected accidently, what will be the voltage across a 150 W lamp (L₂)?

240 V

160 V

120 v

180 V

240 V

160 V

120 v

180 V

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MGVCL Exam Paper (30-07-2021 Shift 3)
The most commonly used method for the protection of three phase feeder is

Time graded protection

Reverse power protection

None of these

Differential protection

Time graded protection

Reverse power protection

None of these

Differential protection

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MGVCL Exam Paper (30-07-2021 Shift 3)
In two-part tariff, the charges depend upon the maximum demand of the consumer and the charges depend upon the number of units consumed by the consumer.

running, fixed

semi-fixed, running

fixed, semi-fixed

fixed, running

running, fixed

semi-fixed, running

fixed, semi-fixed

fixed, running

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MGVCL Exam Paper (30-07-2021 Shift 3)
The complex power injections at a bus are shown in figure Two lines connected drawing the powers as shown in figure. The complex power in the line-2 "S2" is

2+j1

2-j1

2+j5

2-j5

2+j1

2-j1

2+j5

2-j5

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MGVCL Exam Paper (30-07-2021 Shift 3)
A single phase motor connected to 400 V, 50 Hz supply takes 25 A at a power factor of 0.75 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.95 lagging.

92.55 pF

72.55 pF

62.55 pF

82.55 pF

92.55 pF

72.55 pF

62.55 pF

82.55 pF

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

MGVCL Exam Paper (30-07-2021 Shift 3) What is the value of the characteristic impedance of a transmission line with impedance and admittance of 15 and 5?

MGVCL Exam Paper (30-07-2021 Shift 3) The most commonly used method for the protection of three phase feeder is

MGVCL Exam Paper (30-07-2021 Shift 3) In two-part tariff, the ____ charges depend upon the maximum demand of the consumer and the ____ charges depend upon the number of units consumed by the consumer.

MGVCL Exam Paper (30-07-2021 Shift 3) The complex power injections at a bus are shown in figure Two lines connected drawing the powers as shown in figure. The complex power in the line-2 "S2" is

MGVCL Exam Paper (30-07-2021 Shift 3) A single phase motor connected to 400 V, 50 Hz supply takes 25 A at a power factor of 0.75 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.95 lagging.

MGVCL Exam Paper (30-07-2021 Shift 3)
What is the value of the characteristic impedance of a transmission line with impedance and admittance of 15 and 5?

MGVCL Exam Paper (30-07-2021 Shift 3)
The most commonly used method for the protection of three phase feeder is

MGVCL Exam Paper (30-07-2021 Shift 3)
In two-part tariff, the charges depend upon the maximum demand of the consumer and the charges depend upon the number of units consumed by the consumer.

MGVCL Exam Paper (30-07-2021 Shift 3)
The complex power injections at a bus are shown in figure Two lines connected drawing the powers as shown in figure. The complex power in the line-2 "S2" is

MGVCL Exam Paper (30-07-2021 Shift 3)
A single phase motor connected to 400 V, 50 Hz supply takes 25 A at a power factor of 0.75 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.95 lagging.