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? 450 kW 600 kW 300 kW 150 kW 450 kW 600 kW 300 kW 150 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) While selecting the gas for a circuit breaker, the property of gas that should be considered is its(i) dielectric strength(ii) non-inflammability(iii) non-toxicity (i) only (i) and (iii) only (i), (ii) and (iii) (i) and (ii) only (i) only (i) and (iii) only (i), (ii) and (iii) (i) and (ii) only ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Properties of gas while selecting circuit breaker,1. Dielectric strength.2. Thermal conductivity.3. Arc quenching.4. Electrical properties.5. Chemical properties. Toxicity of arc products.
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 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 The given sentence is correct ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) Which of the following is an independent malicious program that spread copies of itself from computer to computer? Virus Trojan horse Worm Trap door Virus Trojan horse Worm Trap door ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) નીચે પૈકી 'અચરજ'નો પર્યાયી શબ્દ ક્યો છે? જગત શાશ્વત રજ વિસ્મય જગત શાશ્વત રજ વિસ્મય ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) The air envelope surrounding the earth is called ___ Asthenosphere Hydrosphere Lithosphere Atmosphere Asthenosphere Hydrosphere Lithosphere Atmosphere ANSWER DOWNLOAD EXAMIANS APP
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