MGVCL Exam Paper (30-07-2021 Shift 3) What is the value of the characteristic impedance of a transmission line with impedance and admittance of 15 and 5? 0.7.7 1.732 1.414 0.577 0.7.7 1.732 1.414 0.577 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Characteristic impedance = √(impedance/admittance) = 1.73
MGVCL Exam Paper (30-07-2021 Shift 3) A 1000 kVA ONAN cooled transformer has a load of 500 kVA throughout the day except for a period of 2 hours. What is the permissible overload for a duration of two hours. Assume the permissible load kVA as a fraction of rated kVA is 1.43. 715 kVA 700 kVA 1050 kVA 1430 kVA 715 kVA 700 kVA 1050 kVA 1430 kVA ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Permissible overload for transformer = Full load kVA*factor for permissible overload= 1000*1.43= 1430 kVA
MGVCL Exam Paper (30-07-2021 Shift 3) Which country leads in the production of biofuel in the world? Brazil Germany United States of America Argentina Brazil Germany United States of America Argentina ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Rank - Country - Production (thousands barrel)1 - US - 9402 - Brazil - 4493 - Germany - 684 - China - 68
MGVCL Exam Paper (30-07-2021 Shift 3) Murray loop test is performed on a faulty cable 300 m long. At balance, the resistance connected to the faulty core was set at 20 Ω and the resistance of the resistor connected to the sound core was 40 Ω. Calculate the distance of the fault point from the test end. 300 m 400 m 100 m 200 m 300 m 400 m 100 m 200 m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Where,R2 is the resistance connected to the faulty core in ohmR2 is the resistance of the resistor connected to the sound core in ohmR1 Distance of fault location (Lx) = R2/(R1 + R2)*(2*L)= (20/60)*600= 200 m.
MGVCL Exam Paper (30-07-2021 Shift 3) The sites where the capacity factor is ____ are not considered suitable for wind power generation. greater than 12% greater than 24% less than 24% less than 12% greater than 12% greater than 24% less than 24% less than 12% ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The capacity factor is the ratio of an actual electrical energy output over a given period of time to the maximum possible electrical energy output over that period.Nuclear power plants are at the high end of the range of capacity factors
MGVCL Exam Paper (30-07-2021 Shift 3) Which is the function of Operating System? Process Management Devices Management Security All of these Process Management Devices Management Security All of these ANSWER DOWNLOAD EXAMIANS APP
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