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

MGVCL Exam Paper (30-07-2021 Shift 1)
Which of the following malicious programs does not replicate automatically?

Trap doors

Worm

Trojan horse

Virus

Trap doors

Worm

Trojan horse

Virus

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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

325 V

500 V

250 V

125 V

325 V

500 V

250 V

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MGVCL Exam Paper (30-07-2021 Shift 1)
Replace the underlined phrase in braket grammatically and conceptually with the help of the given options. If the given sentence is correct then select the option 'The given sentence is correct'.

The new client had to pay money to initiates a account and activate their service

The given sentence is correct

had to pay money to initiate a

had to pay money to initiate an

have to pay money to initiate an

The given sentence is correct

had to pay money to initiate a

had to pay money to initiate an

have to pay money to initiate an

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MGVCL Exam Paper (30-07-2021 Shift 1)
By inserting a plate of dielectric material between the plates of a parallel plate capacitor at constant potential, the energy stored in the capacitor is increased five times. The dielectric constant of the material is

1/5

1/25

25

5

1/5

1/25

25

5

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MGVCL Exam Paper (30-07-2021 Shift 1)
જ્વાળા: ધુમાડો:: બરફ : ___

ગરમી

બાષ્પ

શીતળતા

તાપમાન

ગરમી

બાષ્પ

શીતળતા

તાપમાન

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MGVCL Exam Paper (30-07-2021 Shift 1)
Stability of power system can be improved by
1. Reducing voltage of transmission
2. Using parallel transmission lines
3. Using series compensators
Which of the above statements are correct?

All 1, 2 and 3

1 and 3 only

2 and 3 only

1 and 2 only

All 1, 2 and 3

1 and 3 only

2 and 3 only

1 and 2 only

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