Power Systems In a thermal power plant, which of its following components needs maximum maintenance attention Condenser. Boiler. Steam turbine. Super heater. Condenser. Boiler. Steam turbine. Super heater. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum efficiency of modern coal fired steam steam raising thermal power plants is restricted to about 0.35( a low value), mainly because of high energy loss in condenser low alternator efficiency high energy loss in boilers low steam turbine mechanical efficiency high energy loss in condenser low alternator efficiency high energy loss in boilers low steam turbine mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging current of a 400 kV line is more than that of a 220 kV line of the same length? either 1 or 2 False None of these True either 1 or 2 False None of these True ANSWER DOWNLOAD EXAMIANS APP
Power Systems The total number of strands(N) is concentrically stranded cable with total annular space filled with strands of uniform diameter is given by (if x is number of layers) N = 3x²+3x+1 N = 3x²-6x+1 N = 3x²-2x+1 N = 3x²-3x+1 N = 3x²+3x+1 N = 3x²-6x+1 N = 3x²-2x+1 N = 3x²-3x+1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where air circuit breakers are used? Up to 66 kV. Up to 11 kV. Up to 12 kV. Up to 33 kV. Up to 66 kV. Up to 11 kV. Up to 12 kV. Up to 33 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The VSWR of transmission line is Proportional to load and characteristic impedance. Directly proportional to characteristic impedance and inversely to load impedance. Directly proportional to voltage minimum and inversely proportional to voltage maximum. Directly proportional to load impedance and inversely to characteristic impedance. Proportional to load and characteristic impedance. Directly proportional to characteristic impedance and inversely to load impedance. Directly proportional to voltage minimum and inversely proportional to voltage maximum. Directly proportional to load impedance and inversely to characteristic impedance. ANSWER DOWNLOAD EXAMIANS APP
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