Power Systems If power P available from a hydroelectric plant is given by the formula P = 9.81QH, where Q is the flow rate through the turbine in l / s and H is the head in meters, then P will be unit of HP. W. kWh. kJ / S. HP. W. kWh. kJ / S. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following insulator is practically used for railway crossings? All of these pin insulator strain insulator string insulator All of these pin insulator strain insulator string insulator ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? Fast acting governing system Dynamic breaking Fast acting excitation control All of these Fast acting governing system Dynamic breaking Fast acting excitation control All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In an induction relay for a particular current setting the operating time 4 sec. When the time multiplier setting is 0.8 if the time multiplier setting is rest to 1 the operating time is 1. 5. 10. un changed. 1. 5. 10. un changed. ANSWER DOWNLOAD EXAMIANS APP
Power Systems String chart is drawn between T on Y-axis and S and T on on X-axis temperature (T) on X- axis, sag(S) and tension (T) on Y-axis nether 1 nor 2 both 1 and 2 T on Y-axis and S and T on on X-axis temperature (T) on X- axis, sag(S) and tension (T) on Y-axis nether 1 nor 2 both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 60 Hz is 1 kW/km per phase. What is the corona loss at 50 Hz in kW/km per phase? 1 0.882 0.93 1.13 1 0.882 0.93 1.13 ANSWER DOWNLOAD EXAMIANS APP
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