Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 25% 33.33% 66.66% 75% 25% 33.33% 66.66% 75% ANSWER DOWNLOAD EXAMIANS APP
Power Systems An unloaded generator with a pre-fault voltage 1 pu has the following sequence impedance: Z0 = j 0.15 pu, Z1 = Z2 = j 0.25 pu The neutral is grounded with a reactance of 0.05 pu. The fault current in pu for single line to ground fault is 3.75 pu 2.5 pu 7.25 pu 4.28 pu 3.75 pu 2.5 pu 7.25 pu 4.28 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Attenuation occurs due to resistance inductance both 1 and 3 conductance resistance inductance both 1 and 3 conductance ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following is a medium and low head turbines None of above. Francis and Kaplan turbines. Kaplan and Francis turbines. Pelton and Kaplan turbines. None of above. Francis and Kaplan turbines. Kaplan and Francis turbines. Pelton and Kaplan turbines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Normally Z bus matrix is a unit matrix null matrix full matrix sparse matrix unit matrix null matrix full matrix sparse matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power output of a nuclear power station is proportional to none of above. square root of the rate at which fission reaction occurs. the rate at which fission reaction occurs. square of the rate at which fission reaction occurs. none of above. square root of the rate at which fission reaction occurs. the rate at which fission reaction occurs. square of the rate at which fission reaction occurs. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS