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

MGVCL Exam Paper (30-07-2021 Shift 1)
Find the word which is correctly spelt from the given options.

Absurrd

Various

Abolishid

Wrinkel

Absurrd

Various

Abolishid

Wrinkel

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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, less than 11

IEC-599, less than 11

IEC-899, more than 11

IEC-599, more than 11

IEC-899, less than 11

IEC-599, less than 11

IEC-899, more than 11

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MGVCL Exam Paper (30-07-2021 Shift 1)
Two-wattmeter method is used to measure the power taken by a 3-phase induction motor on no load. The wattmeter readings are 375 W and –50 W. Calculate the reactive power taken by the load.

425√3 VAR

325/√3 VAR

425/√3 VAR

325√3 VAR

425√3 VAR

325/√3 VAR

425/√3 VAR

325√3 VAR

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MGVCL Exam Paper (30-07-2021 Shift 1)
The single line diagram of the simple system is shown in figure the corresponding reactance diagram is

A

B

C

D

A

B

C

D

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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

low span and high sensitivity

high span and low sensitivity

high span and high sensitivity

low span and low sensitivity

low span and high sensitivity

high span and low sensitivity

high span and high sensitivity

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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

15 V, 10 V

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

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