MGVCL Exam Paper (30-07-2021 Shift 1) Calculate the capacitance per meter of a 50 Ω load cable that has an inductance of 50 nH/m. 20 pF 10 pF 40 pF 30 pF 20 pF 10 pF 40 pF 30 pF ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Z = √(L/C)C = L/Z²C = 50*10⁻⁹/(50*50)C = 0.02 nFC = 20 pF
MGVCL Exam Paper (30-07-2021 Shift 1) Two-wattmeter method is used to measure the power taken by a 3-phase induction motor on no load. The wattmeter readings are 375 W and –50 W. Calculate the reactive power taken by the load. 425√3 VAR 425/√3 VAR 325/√3 VAR 325√3 VAR 425√3 VAR 425/√3 VAR 325/√3 VAR 325√3 VAR ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Reactive power taken, Q = √3*(W1 - W2)Q = √3*(375 + 50)Q = √3*425 kVAR
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 SPRQ PQRS PQSR SPQR SPRQ PQRS PQSR SPQR ANSWER DOWNLOAD EXAMIANS APP
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 infinite 3 sec 1 sec zero infinite 3 sec 1 sec zero 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: Isc = 4 A and Voc = 0.7 V. Consider that 20 identical cells with the above specifications are to be interconnected to create a PV module. What is the open-circuit voltage of the PV module if all the solar cells are connected in a series configuration? 0.7 V 11.2 V 12.6 V 14 V 0.7 V 11.2 V 12.6 V 14 V ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For M no. of series configuration of solar cell,Open circuit voltage of PV module= M*Voc= 20*0.7= 14 VShort circuit current of PV module = M*Isc= 20*4= 80 A
MGVCL Exam Paper (30-07-2021 Shift 1) Fill in the blanks with suitable Article from the given alternatives.Bread is ___ predominant food prepared from a dough of flour and water No article an a the No article an a the ANSWER DOWNLOAD EXAMIANS APP
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