Insulation Power Factor testing on an oil-filled transformer is not helpful in determining ___

MGVCL Exam Paper (30-07-2021 Shift 1)
Insulation Power Factor testing on an oil-filled transformer is not helpful in determining ___

Whether the oil test indicates moisture

Movement of the windings (change in capacitance)

Turns ratio values

Condition of paper insulation (change in watts losses)

Whether the oil test indicates moisture

Movement of the windings (change in capacitance)

Turns ratio values

Condition of paper insulation (change in watts losses)

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MGVCL Exam Paper (30-07-2021 Shift 1)
Choose the best option from the given alternatives which can be substituted for the given word/sentence

A disease prevailing in a locality

Epic

Host

Habitat

Endemic

Epic

Host

Habitat

Endemic

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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

increases

remains the same

reduces

increases or reduces depending upon the rotor resistance

increases

remains the same

reduces

increases or reduces depending upon the rotor resistance

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MGVCL Exam Paper (30-07-2021 Shift 1)
Murray loop test is performed on a faulty cable 300 m long. At balance, the resistance connected to the faulty core was set at 15 Ω and the resistance of the resistor connected to the sound core was 45 Ω. Calculate the distance of the fault point from the test end.

225 m

75 m

150 m

450 m

225 m

75 m

150 m

450 m

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MGVCL Exam Paper (30-07-2021 Shift 1)
As per _ guidelines, if the ratio of carbon dioxide (CO₂) and carbon monoxide (CO) in dissolved gas analysis is _, it is predicted that the condition of paper insulation inside the transformer is poor.

IEC-599, more than 11

IEC-899, more than 11

IEC-899, less than 11

IEC-599, less than 11

IEC-599, more than 11

IEC-899, more than 11

IEC-899, less than 11

IEC-599, less than 11

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MGVCL Exam Paper (30-07-2021 Shift 1)
Which of the following features of Microsoft Word automatically moves to the next line while reaching the end of current line?

Carriage return

Enter

Word wrap

None of these

Carriage return

Enter

Word wrap

None of these

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

MGVCL Exam Paper (30-07-2021 Shift 1) Insulation Power Factor testing on an oil-filled transformer is not helpful in determining ___

MGVCL Exam Paper (30-07-2021 Shift 1) Choose the best option from the given alternatives which can be substituted for the given word/sentenceA disease prevailing in a locality

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) As per ___ guidelines, if the ratio of carbon dioxide (CO₂) and carbon monoxide (CO) in dissolved gas analysis is ___, it is predicted that the condition of paper insulation inside the transformer is poor.

MGVCL Exam Paper (30-07-2021 Shift 1) Which of the following features of Microsoft Word automatically moves to the next line while reaching the end of current line?

MGVCL Exam Paper (30-07-2021 Shift 1)
Insulation Power Factor testing on an oil-filled transformer is not helpful in determining ___

MGVCL Exam Paper (30-07-2021 Shift 1)
Choose the best option from the given alternatives which can be substituted for the given word/sentence

A disease prevailing in a locality

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)
As per _ guidelines, if the ratio of carbon dioxide (CO₂) and carbon monoxide (CO) in dissolved gas analysis is _, it is predicted that the condition of paper insulation inside the transformer is poor.

MGVCL Exam Paper (30-07-2021 Shift 1)
Which of the following features of Microsoft Word automatically moves to the next line while reaching the end of current line?