Power Systems A transmission line has 50 km operating at frequency of 500 Hz. Find the type of the line? short transmission line any of the above long transmission line medium transmission line short transmission line any of the above long transmission line medium transmission line 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+3x+1 N = 3x²-2x+1 N = 3x²-3x+1 N = 3x²-6x+1 N = 3x²+3x+1 N = 3x²-2x+1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantage/s of per unit system as compare to absolute system? only one equation is required calculation time is less memory required is less All of these only one equation is required calculation time is less memory required is less All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for leading power factor unity power factor lagging power factor All of these leading power factor unity power factor lagging power factor All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following circuit breakers produce least arc energy? Plain oil CB. Air blast CB. Air break CB. Minimum oil CB. Plain oil CB. Air blast CB. Air break CB. Minimum oil CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Buchholz relay Differential relay Over current relay Over fluxing relay Buchholz relay Differential relay Over current relay Over fluxing relay ANSWER DOWNLOAD EXAMIANS APP