Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 55 kA. 35 kA. 50 kA. 45 kA. 55 kA. 35 kA. 50 kA. 45 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system? 0.25 0.75 1 0.5 0.25 0.75 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station has a maximum demand of 100 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is 15 MW 80 MW 20 MW 10 MW 15 MW 80 MW 20 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is 20 sec. 5 sec. none of these. 10 sec. 20 sec. 5 sec. none of these. 10 sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has 50 km operating at frequency of 500 Hz. Find the type of the line? any of the above short transmission line medium transmission line long transmission line any of the above short transmission line medium transmission line long transmission line ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plants, pressure in the working fluid cycle is developed by feed water pump. turbine. superheater. condenser. feed water pump. turbine. superheater. condenser. ANSWER DOWNLOAD EXAMIANS APP