Power Systems An impulse turbine is most suited for low head and high discharge power plants. always operates submerged. operates by initial complete conversion to kinetic energy. makes use of a draft tube. is most suited for low head and high discharge power plants. always operates submerged. operates by initial complete conversion to kinetic energy. makes use of a draft tube. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a short circuit test circuit breaker, time to reach the peak re-striking voltage 60 microsecond & the peak re-striking voltage 120 kV. Determine average RRRV (Rate of rise re-striking voltage)? 1 × 106 kV / sec. 3 × 106 kV / sec. 2 × 106 kV / sec. 3.5 × 106 kV / sec. 1 × 106 kV / sec. 3 × 106 kV / sec. 2 × 106 kV / sec. 3.5 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power level of nuclear reactor can be increase by ( K = multiplication factor ) raising the value of K above 1, but later bringing it back to K = 1. lowering the value of K below and keeping at that lowered value. lowering the value of K below 1 but later bringing it back to K = 1. raising the value of K above 1 and keeping it at raised value. raising the value of K above 1, but later bringing it back to K = 1. lowering the value of K below and keeping at that lowered value. lowering the value of K below 1 but later bringing it back to K = 1. raising the value of K above 1 and keeping it at raised value. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A buchholz relay is used for both 1 and 2 nether 1 nor 2 protection of a transformer against all internal faults protection of a transformer against all external faults both 1 and 2 nether 1 nor 2 protection of a transformer against all internal faults protection of a transformer against all external faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are advantages of N-R method? Number of iterations are less both 1 and 2 Time taken for each iteration is less Applicable for large power system network Number of iterations are less both 1 and 2 Time taken for each iteration is less Applicable for large power system network ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle? 35° 30° 60° 45° 35° 30° 60° 45° ANSWER DOWNLOAD EXAMIANS APP