Power Systems In a three-phase system, when the loads are perfectly balanced, the neutral current is one - third of maximum. zero. one - third of minimum. two - thirds of maximum. one - third of maximum. zero. one - third of minimum. two - thirds of maximum. 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 = 3x²-2x+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 N = 3x²-3x+1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be 500 900 450 250 500 900 450 250 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 7 pu 5.353 pu 3.535 pu 5 pu 7 pu 5.353 pu 3.535 pu 5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a regenerative cycle, feed water is heated by all of above. heaters. drained steam from turbine. exhaust gas. all of above. heaters. drained steam from turbine. exhaust gas. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Switchgear equipment include all of these. fuses. switches. relays and CB. all of these. fuses. switches. relays and CB. ANSWER DOWNLOAD EXAMIANS APP