Power Systems The specific speed of water turbine is the speed at which the turbine develops unit horse power at all heads. a minimum horse power. maximum horse power. unit horse power at unit head. unit horse power at all heads. a minimum horse power. maximum horse power. unit horse power at unit head. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line parameters of the short transmission line are Z,0,Y,1 1,Z,Y,1 1,0,Y,1 1,Z,0,1 Z,0,Y,1 1,Z,Y,1 1,0,Y,1 1,Z,0,1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? both 1 and 2 Synchronous line Asynchronous line No need of same frequency for exchange of power both 1 and 2 Synchronous line Asynchronous line No need of same frequency for exchange of power ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for unity power factor All of these lagging power factor leading power factor unity power factor All of these lagging power factor leading power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 83.76 kV 52.84 kV 48.36 kV 20 kV 83.76 kV 52.84 kV 48.36 kV 20 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is low specific speed turbine? Francis None of these Pelton Kaplan Francis None of these Pelton Kaplan ANSWER DOWNLOAD EXAMIANS APP
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