Power Systems Deaerative heating is done to remove dissolved. heat the steam. heat the feed water. remove dissolved gases in water. remove dissolved. heat the steam. heat the feed water. remove dissolved gases in water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator? 10 0.001 1000 0.1 10 0.001 1000 0.1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10-6∠90° ℧. Find the no load receiving end voltage? 400 kV 500 kV 320 kv 600 kV 400 kV 500 kV 320 kv 600 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is 0.5 unity 0 leading 0.707 leading 0.5 unity 0 leading 0.707 leading ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is an impulse turbine Francis turbine. Pelton turbine. Kaplan turbine. None of above. Francis turbine. Pelton turbine. Kaplan turbine. None of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation Z1 = Z2 = Z0 (Z1 = Z2) > Z0 (Z1 = Z2) < Z0 any of the above Z1 = Z2 = Z0 (Z1 = Z2) > Z0 (Z1 = Z2) < Z0 any of the above ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS