MGVCL Exam Paper (30-07-2021 Shift 1) આપેલ વિકલ્પો પૈકી દ્રવ્યવાચક સંજ્ઞાનું વાકય કયું છે? મહારાષ્ટ્રમાં અનેક શહેરો છે. આજકાલ ઠંડી હવા પ્રસરવા લાગી છે. રણવીરને બોલીવુડનો બાહુબલી કહી શકાય. ગુરુ એવો હોવો જોઈએ જેની વાણીમાં મીઠાસ હોય. મહારાષ્ટ્રમાં અનેક શહેરો છે. આજકાલ ઠંડી હવા પ્રસરવા લાગી છે. રણવીરને બોલીવુડનો બાહુબલી કહી શકાય. ગુરુ એવો હોવો જોઈએ જેની વાણીમાં મીઠાસ હોય. ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) ___ is the process of actuating equipment operation at remote locations. Supervisory control Supplementary control Data acquisition Data processing Supervisory control Supplementary control Data acquisition Data processing ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) Rearrange the following to form a meaningful sentence and find the most logical order from the given options.P: 60 countries using dance as a tool forQ: building social cohesion and resolvingR: conflict throughout the worldS: battery Dance has travelled far and wide across SPQR PQRS PQSR SPRQ SPQR PQRS PQSR SPRQ 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? 2.5% increase 5% decrease 5% increase 2.5% decrease 2.5% increase 5% decrease 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) The operating time of an inverse definite minimum time (IDMT) overcurrent relay corresponding to plug-setting multiplier (PSM) = 1 and time-multiplier setting (TMS) = 1 will be zero infinite 1 sec 3 sec zero infinite 1 sec 3 sec ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Equation of operating time for IDMT relay (t) = 0.14*TMS/[(PSM^0.02) - 1]Here,PSM = TMS = 1So,t = 0.14*1/(1 - 1)t = infinite
MGVCL Exam Paper (30-07-2021 Shift 1) A given solar cell has the following specifications:Open-circuit voltage, Voc: 0.7 VShort-circuit current, Isc: 3.5 AShort-circuit current, Isc: 3.5 AShort-circuit current, Isc: 3.5 AIf the solar cell operates at maximum power point, calculate the efficiency. 15.70% 14.70% 13.70% 12.70% 15.70% 14.70% 13.70% 12.70% ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Equation is given by:Efficiency = (F.F*Voc*Isc)/Pin= (0.6*3.5*0.7)/10= 0.14702% efficiency = 14.7 %
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