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

MGVCL Exam Paper (30-07-2021 Shift 1)
Which generation of computers used vacuum tubes?

Fourth Generation

First Generation

Second Generation

Third Generation

Fourth Generation

First Generation

Second Generation

Third Generation

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MGVCL Exam Paper (30-07-2021 Shift 1)
An electric potential field is produced in air by point 1 μC and 4 μC located at (-2, 1, 5) and (1, 3, -1) respectively. The energy stored in the field is

12.50 mJ

5.14 mJ

2.57 mJ

10.28 mJ

12.50 mJ

5.14 mJ

2.57 mJ

10.28 mJ

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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

500 V

250 V

325 V

125 V

500 V

250 V

325 V

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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

B

D

C

A

B

D

C

A

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MGVCL Exam Paper (30-07-2021 Shift 1)
The normal percentage bias setting of differential relay used for transformer protection will be

below 10%

above 75%

between 50% and 75%

between 10% and 50%

below 10%

above 75%

between 50% and 75%

between 10% and 50%

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MGVCL Exam Paper (30-07-2021 Shift 1)
What are the states of the three ideal diodes of the circuit shown in figure ?

D1 ON, D2 OFF, D3 ON

D1 ON, D2 OFF, D3 OFF

D1 OFF, D2 ON, D3 ON

D1 OFF, D2 ON, D3 OFF

D1 ON, D2 OFF, D3 ON

D1 ON, D2 OFF, D3 OFF

D1 OFF, D2 ON, D3 ON

D1 OFF, D2 ON, D3 OFF

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