Power Systems The advantage of hydro electric power station over thermal power station is the operation cost of hydro electric power station is low hydro electric station can be constructed at the place where the energy is required the initial cost of hydro electric power station is low hydro electric power station can supply the power throughout the year the operation cost of hydro electric power station is low hydro electric station can be constructed at the place where the energy is required the initial cost of hydro electric power station is low hydro electric power station can supply the power throughout the year ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following rotor is used in thermal power plants? squirrel cage rotor cylindrical rotor either of these salient pole rotor squirrel cage rotor cylindrical rotor either of these salient pole rotor ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes 78.96 %. 80.25 %. 79.33 %. 74.56 %. 78.96 %. 80.25 %. 79.33 %. 74.56 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for the protection of medium length lines. short length lines. no length criterion. long transmission lines. medium length lines. short length lines. no length criterion. long transmission lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When series reactor is used in generating stations, the fault current magnitude is any of the above remains unaffected increased reduced any of the above remains unaffected increased reduced ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 5 ohms 50 ohms 0.5 ohm 500 ohms 5 ohms 50 ohms 0.5 ohm 500 ohms ANSWER DOWNLOAD EXAMIANS APP
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