Power Systems If the frequency is increased, then skin effect will increases any of the above decreases remains unaffected increases any of the above decreases remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems For head and low discharge the water turbine used Francis turbine. propeller turbine. Pelton wheel. Kaplan wheel. Francis turbine. propeller turbine. Pelton wheel. Kaplan wheel. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? IDMT relay. Mho relay. Buchholz relay. Impedance relay. IDMT relay. Mho relay. Buchholz relay. Impedance relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effect depends on conductivity All of these frequency relative permeability conductivity All of these frequency relative permeability ANSWER DOWNLOAD EXAMIANS APP
Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are one three two six one three two six ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 250 A 2500 A 200 A 100 A 250 A 2500 A 200 A 100 A ANSWER DOWNLOAD EXAMIANS APP