MGVCL Exam Paper (30-07-2021 Shift 1) Choose the best option from the given alternatives which can be substituted for the given word/sentenceA disease prevailing in a locality Endemic Habitat Epic Host Endemic Habitat Epic Host ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) 1.મંગલ + આચરણ - મંગલાચરણ2. હરિ+ઇન્દ્ર - હરીન્દ્ર3.નર+ઈશ - નરેશ4. પ્રતિ+અક્ષ - પ્રતિક્ષઉપરોક્ત વર્ણવેલમાંથી કઈ સંધિ સાચી છે. 2,3, 1,4 2,1 1,3 2,3, 1,4 2,1 1,3 ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) Which of the following are the advantages of Aerial Bunched Cables (ABC)? Higher safety and reliability Elimination of theft of energy All of these Reduced height of supports Higher safety and reliability Elimination of theft of energy All of these Reduced height of supports 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 or reduces depending upon the rotor resistance remains the same increases reduces increases or reduces depending upon the rotor resistance remains the same increases ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) Case 1: The PV connected to the DC bus was injecting 20 kW of power constituting of 1 kW of lossCase 2: The same PV is connected to the AC bus constituting to 1.5 kW loss. Find out the change in efficiency from Case 1 to Case 2? 5% increase 5% decrease 2.5% increase 2.5% decrease 5% increase 5% decrease 2.5% increase 2.5% decrease ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In DC microgrid system,Efficiency α 1/PinFor 1 kW loss injecting power is 20 kWFor 1.5 kW loss injecting power will be proportional to 30 kWSo,Efficiency will be reduced 0.025
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) and (ii) only (i) and (iii) only (i) only (i), (ii) and (iii) (i) and (ii) only (i) and (iii) only (i) only (i), (ii) and (iii) 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.
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