Power Systems Transmission line parameters of the short transmission line are 1,0,Y,1 Z,0,Y,1 1,Z,0,1 1,Z,Y,1 1,0,Y,1 Z,0,Y,1 1,Z,0,1 1,Z,Y,1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. None of above 14 %. 28 %. 56 %. None of above 14 %. 28 %. 56 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for lagging power factor unity power factor leading power factor All of these lagging power factor unity power factor leading power factor All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station supplies the peak load of 50 MW, 40 MW and 70 MW to three localities. The annual load factor is 0.50 p.u. and the diversity factor of the load at the station is 1.55 the maximum demand on the station and average load respectively will be 57.5 MW. 51.61 MW. 52 MW. 53 MW. 57.5 MW. 51.61 MW. 52 MW. 53 MW. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of higher transmission voltage is/are Power transfer capability of the transmission line is increased Area of cross section and volume of the conductor is reduced All of these Transmission line losses are reduced Power transfer capability of the transmission line is increased Area of cross section and volume of the conductor is reduced All of these Transmission line losses are reduced ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? None of these both 1 and 2 electro static induction electro magnetic induction None of these both 1 and 2 electro static induction electro magnetic induction ANSWER DOWNLOAD EXAMIANS APP
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