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 = 3x²-2x+1 N = 3x²-3x+1 N = 3x²-6x+1 N = 3x²+3x+1 N = 3x²-2x+1 N = 3x²-3x+1 N = 3x²-6x+1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where air circuit breakers are used? Up to 11 kV. Up to 66 kV. Up to 33 kV. Up to 12 kV. Up to 11 kV. Up to 66 kV. Up to 33 kV. Up to 12 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power plants needs highly skilled/qualified engineers for its operation Gas-turbine. Nuclear. Thermal. Hydro Power Plant Gas-turbine. Nuclear. Thermal. Hydro Power Plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relationships are not valid for short transmission lines Is = Ir All of these A = D = 1 B = C = Z Is = Ir All of these A = D = 1 B = C = Z ANSWER DOWNLOAD EXAMIANS APP
Power Systems By using guard ring in a transmission line, its string efficiency decrease remains unaffected None of these increase decrease remains unaffected None of these increase ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line has a length of 300 km, operating at sending end voltage Vs = 1 pu, find the receiving end voltage(Vr) at no load? 1 pu 0.098 pu 1.098 pu 0.98 pu 1 pu 0.098 pu 1.098 pu 0.98 pu ANSWER DOWNLOAD EXAMIANS APP
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