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 OFF, D2 ON, D3 ON D1 OFF, D2 ON, D3 OFF D1 ON, D2 OFF, D3 OFF D1 ON, D2 OFF, D3 ON D1 OFF, D2 ON, D3 ON D1 OFF, D2 ON, D3 OFF D1 ON, D2 OFF, D3 OFF ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For the given circuit shown in figure,D1 is forward bias mode - On stateD2 is in reverse bias mode - off stateD3 is in reverse bias mode - off state.
MGVCL Exam Paper (30-07-2021 Shift 1) Fill in the blanks with suitable Preposition from the given alternatives.The match was dedicated ___ Indian fast bowler Zaheer, who has announced his retirement from international cricket to from since against to from since against ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) If a 415 V, 50 Hz, star-connected, three-phase squirrel-cage induction motor is operated from a 415 V, 70 Hz supply, the torque that the motor can now provide while drawing rated current from the supply reduces increases remains the same increases or reduces depending upon the rotor resistance reduces increases remains the same increases or reduces depending upon the rotor resistance ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) An alternator is supplying load of 300 kW at a power factor of 0.5 lagging. If the power factor is raised to unity, how many more kilowatts can alternator supply for the same kVA loading? 600 kW 300 kW 150 kW 450 kW 600 kW 300 kW 150 kW 450 kW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = S*cosφS = P/cosφS = 300/0.5S = 600 kVAFor same kVA rating and unity power factor,P = 600*1P = 600 kWPextra = 600 - 300Pextra = 300 kW
MGVCL Exam Paper (30-07-2021 Shift 1) The miniature circuit breaker (MCB) shown in figure is three pole MCB four pole MCB five pole MCB two pole MCB three pole MCB four pole MCB five pole MCB two pole MCB ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) Three resistances 750 Ω, 600 Ω and 200 Ω are connected in parallel. The total current is 1 A. Determine the voltage applied. 150 V 125 V 200 V 100 V 150 V 125 V 200 V 100 V ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Equivalent resistance of the circuit, Req = (750|| 600 || 200)Req = 125 ΩCurrent from source = 1 ASource voltage = 1*125Source voltage = 125 V
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