Power Systems For large plants of capacity for more than 15 MW, what type of cooling is used Air. Water. Hydrogen. Liquid. Air. Water. Hydrogen. Liquid. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is a reaction turbines Pelton turbine and Francis turbine. None of these. Kaplan and Pelton turbine. Francis turbine and Kaplan turbine. Pelton turbine and Francis turbine. None of these. Kaplan and Pelton turbine. Francis turbine and Kaplan turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the frequency is increased, then skin effect will decreases increases any of the above remains unaffected decreases increases any of the above remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading can be increased by increasing of inductance value increasing of capacitance value increasing of voltage level both 1 and 2 increasing of inductance value increasing of capacitance value increasing of voltage level both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. The pick up value is 12.5 A 10 A 6.25 A 15 A 12.5 A 10 A 6.25 A 15 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 5 ohms 500 ohms 0.5 ohm 50 ohms 5 ohms 500 ohms 0.5 ohm 50 ohms ANSWER DOWNLOAD EXAMIANS APP