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

Turns ratio values

Movement of the windings (change in capacitance)

Condition of paper insulation (change in watts losses)

Whether the oil test indicates moisture

Turns ratio values

Movement of the windings (change in capacitance)

Condition of paper insulation (change in watts losses)

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MGVCL Exam Paper (30-07-2021 Shift 1)
An eight-pole wave-connected armature has 600 conductors and is driven at 625 rev/min. If the flux per pole is 20 mWb, determine the generated emf.

125 V

250 V

500 V

325 V

125 V

250 V

500 V

325 V

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MGVCL Exam Paper (30-07-2021 Shift 1)
A fully controlled natural commutated 3-phase bridge rectifier is operating with a firing angle α = 30°, The peak to peak voltage ripple expressed as a ratio of the peak output dc voltage at the output of the converter bridge is

0.5

√3-1

1-(√3/2)

√3 -1

0.5

√3-1

1-(√3/2)

√3 -1

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MGVCL Exam Paper (30-07-2021 Shift 1)
A thermistor is inherently suitable for temperature measurement involving

low span and low sensitivity

high span and low sensitivity

low span and high sensitivity

high span and high sensitivity

low span and low sensitivity

high span and low sensitivity

low span and high sensitivity

high span and high sensitivity

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MGVCL Exam Paper (30-07-2021 Shift 1)
A new generation of smart meters is known as ____

SMETS2

SMETS1

SMETS3

SMETS4

SMETS2

SMETS1

SMETS3

SMETS4

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MGVCL Exam Paper (30-07-2021 Shift 1)
In underground cables, the electrostatic stress is _ at contactor surface and _ at the sheath.

minimum, maximum

zero, minimum

zero, zero

minimum, maximum

zero, minimum

zero, zero

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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) An eight-pole wave-connected armature has 600 conductors and is driven at 625 rev/min. If the flux per pole is 20 mWb, determine the generated emf.

MGVCL Exam Paper (30-07-2021 Shift 1) A fully controlled natural commutated 3-phase bridge rectifier is operating with a firing angle α = 30°, The peak to peak voltage ripple expressed as a ratio of the peak output dc voltage at the output of the converter bridge is

MGVCL Exam Paper (30-07-2021 Shift 1) A thermistor is inherently suitable for temperature measurement involving

MGVCL Exam Paper (30-07-2021 Shift 1) A new generation of smart meters is known as ____

MGVCL Exam Paper (30-07-2021 Shift 1) In underground cables, the electrostatic stress is ___ at contactor surface and ___ at the sheath.

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)
An eight-pole wave-connected armature has 600 conductors and is driven at 625 rev/min. If the flux per pole is 20 mWb, determine the generated emf.

MGVCL Exam Paper (30-07-2021 Shift 1)
A fully controlled natural commutated 3-phase bridge rectifier is operating with a firing angle α = 30°, The peak to peak voltage ripple expressed as a ratio of the peak output dc voltage at the output of the converter bridge is

MGVCL Exam Paper (30-07-2021 Shift 1)
A thermistor is inherently suitable for temperature measurement involving

MGVCL Exam Paper (30-07-2021 Shift 1)
A new generation of smart meters is known as ____

MGVCL Exam Paper (30-07-2021 Shift 1)
In underground cables, the electrostatic stress is _ at contactor surface and _ at the sheath.