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

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

SMETS4

SMETS2

SMETS1

SMETS3

SMETS4

SMETS2

SMETS1

SMETS3

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MGVCL Exam Paper (30-07-2021 Shift 1)
Consider the following two statements and choose the correct answer.
Statement 1: The V-curves of a synchronous motor show relationship between armature current and supply voltage.
Statement 2: The plot of power factor against the field current of synchronous motor is known as inverted V curves.

Statement 1 is FALSE and Statement 2 is TRUE

Both Statement 1 and Statement 2 are FALSE

Statement 1 is TRUE and Statement 2 is FALSE

Both Statement 1 and Statement 2 are TRUE

Statement 1 is FALSE and Statement 2 is TRUE

Both Statement 1 and Statement 2 are FALSE

Statement 1 is TRUE and Statement 2 is FALSE

Both Statement 1 and Statement 2 are TRUE

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MGVCL Exam Paper (30-07-2021 Shift 1)
Simultaneous tripping of the circuit breaker at both ends of a transmission line is achieved by

pilot protection

distance protection

overcurrent protection

none of these

pilot protection

distance protection

overcurrent protection

none of these

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MGVCL Exam Paper (30-07-2021 Shift 1)
_ is the short time reduction in the rms voltage between 0.1 to 0.9 p.u for a duration of _

Voltage sag, 0.5 cycle to 1 minute.

Voltage sag, greater than 1 minute

Voltage swell, greater than 1 minute

Voltage swell, 0.5 cycle to 1 minute.

Voltage sag, 0.5 cycle to 1 minute.

Voltage sag, greater than 1 minute

Voltage swell, greater than 1 minute

Voltage swell, 0.5 cycle to 1 minute.

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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

15 V, 10 V

0 V, 15 V

0 V, 10 V

10 V, 15 V

15 V, 10 V

0 V, 15 V

0 V, 10 V

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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, less than 11

IEC-599, more than 11

IEC-899, less than 11

IEC-899, more than 11

IEC-599, less than 11

IEC-599, more than 11

IEC-899, less than 11

IEC-899, more than 11

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