MGVCL Exam Paper (30-07-2021 Shift 3)

MGVCL Exam Paper (30-07-2021 Shift 3)
વિષમ' ની સંધી છૂટી પાડો. - કયો વિકલ્પ સાચો છે?

વીસ + અમ

વિસ્ + અમ

વિ + સમ

વી + સમ

વીસ + અમ

વિસ્ + અમ

વિ + સમ

વી + સમ

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MGVCL Exam Paper (30-07-2021 Shift 3)
A group of computers and other devices connected together is called a network and the concept of connected computers sharing resources is called ____

Routing

Networking

Switching

Linking

Routing

Networking

Switching

Linking

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MGVCL Exam Paper (30-07-2021 Shift 3)
The most commonly used method for the protection of three phase feeder is

None of these

Differential protection

Time graded protection

Reverse power protection

None of these

Differential protection

Time graded protection

Reverse power protection

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MGVCL Exam Paper (30-07-2021 Shift 3)
A 10-pole induction motor is supplied by a 6-pole alternator, which is driven at 1400 rpm. If the motor runs with a slip of 5%, what is its speed?

798 rpm

1575 rpm

1425 rpm

882 rpm

798 rpm

1575 rpm

1425 rpm

882 rpm

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MGVCL Exam Paper (30-07-2021 Shift 3)
In a 3-phase, 4-wire, 400/230 V system, a lamp (L₁) of 100 W is connected to one phase and neutral and a lamp (L₂) of 150 W is connected to the second pahse and neutral. If the neutral wire is disconnected accidently, what will be the voltage across a 150 W lamp (L₂)?

160 V

240 V

120 v

180 V

160 V

240 V

120 v

180 V

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MGVCL Exam Paper (30-07-2021 Shift 3)
A 10 A, Type C Miniature Circuit Breaker (MCB) will trip at fault currents

less than 10 A

between 50 A and 100 A

greater than 100 A

between 10 A and 50 A

less than 10 A

between 50 A and 100 A

greater than 100 A

between 10 A and 50 A

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