Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 42° 36° 90° 45° 42° 36° 90° 45° 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 Bonding is done at the both ends of the cable to reduce the sheath loss None of these iron loss copper loss sheath loss None of these iron loss copper loss ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is true? Corona loss increases with increase in conductor size and increase in supply frequency increase in conductor size and decrease in supply frequency decrease in conductor size and decrease in supply frequency decrease in conductor size and increase in supply frequency increase in conductor size and increase in supply frequency increase in conductor size and decrease in supply frequency decrease in conductor size and decrease in supply frequency decrease in conductor size and increase in supply frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? Mho relay. Buchholz relay. Impedance relay. IDMT relay. Mho relay. Buchholz relay. Impedance relay. IDMT relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MVA alternator operated at no load at frequency of 50 Hz, it has inertia constant of 5 MWsec/MVA and governing system has a time delay of 0.6 sec. If the load of 50 MW is suddenly applied then find the frequency deviation during this time? 0.85 Hz -0.85 Hz 0.76 Hz -0.76 Hz 0.85 Hz -0.85 Hz 0.76 Hz -0.76 Hz ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS