MGVCL Exam Paper (30-07-2021 Shift 1) An RLC series circuit consists of R = 16 Ω, L = 5 mH and C = 2 μF. Calculate the quality factor. 3.125 2.125 4.125 5.125 3.125 2.125 4.125 5.125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For series RLC circuit,Q = (1/R)*√(L/C)Q = 1/16*√(5 mH/2 μF)Q = 50/16Q = 3.125
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. 12.70% 13.70% 14.70% 15.70% 12.70% 13.70% 14.70% 15.70% 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 %
MGVCL Exam Paper (30-07-2021 Shift 1) Consider the following two statements and choose the correct answer.Statement 1: The V-curves of a synchronous motor show relationship between armature current and supply voltage.Statement 2: The plot of power factor against the field current of synchronous motor is known as inverted V curves. Statement 1 is TRUE and Statement 2 is FALSE Both Statement 1 and Statement 2 are TRUE Both Statement 1 and Statement 2 are FALSE Statement 1 is FALSE and Statement 2 is TRUE Statement 1 is TRUE and Statement 2 is FALSE Both Statement 1 and Statement 2 are TRUE Both Statement 1 and Statement 2 are FALSE Statement 1 is FALSE and Statement 2 is TRUE ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The V-curves of a synchronous motor show relationship between Armature current (Ia) and Excitation current (If).The Inverted V-curves of a synchronous motor show relationship between power factor (pf) and field excitation (If).
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 40 pF 10 pF 30 pF 20 pF 40 pF 10 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) The air envelope surrounding the earth is called ___ Hydrosphere Lithosphere Atmosphere Asthenosphere Hydrosphere Lithosphere Atmosphere Asthenosphere ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) Which of the following are the advantages of Aerial Bunched Cables (ABC)? Elimination of theft of energy Higher safety and reliability Reduced height of supports All of these Elimination of theft of energy Higher safety and reliability Reduced height of supports All of these ANSWER DOWNLOAD EXAMIANS APP
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