Power Systems High capacity generators and motors are of delta connected network any of the above star connected network star connected with grounding network delta connected network any of the above star connected network star connected with grounding network ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the frequency is increased, then skin effect will decreases any of the above remains unaffected increases decreases any of the above remains unaffected increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are It has units for all quantities No units for any quantity All of these Need of transformation ratio It has units for all quantities No units for any quantity All of these Need of transformation ratio ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for zero voltage regulation is cosφ = R/X tanφ = R/X tanφ = X/R cosφ = X/R cosφ = R/X tanφ = R/X tanφ = X/R cosφ = X/R 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 Which of the following insulator is practically used for railway crossings? strain insulator string insulator pin insulator All of these strain insulator string insulator pin insulator All of these ANSWER DOWNLOAD EXAMIANS APP
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