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MGVCL EXAM PAPER (30-07-2021 SHIFT 3) QUIZ

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)?

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In public sector, what is the full form of "LIC"?

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A single phase full converter bridge, connected to 230 V, 50 Hz source is feeding a load R =10 Ω in series with a large inductance that makes the load current ripple free. For a firing angle of 450, calculate the rectification efficiency.

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A DC shunt generator has an induced voltage of 220 V on open circuit. When the machine is on load the terminal voltage is 200 V. Find the load current if the field resistance is 100 Ω and armature resistance is 0.2 Ω.

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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?

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Name the application under MS Office software bundle, that we use to create audio- visual presentation.

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Which is the function of Operating System?

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Which state is the largest producer of wind energy in India?

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What items should be considered when looking at a site for a new transformer installation?

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If the velocity of wind is doubled then the power output will

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