Power Systems Lightning arresters are made up of which material? copper silver any of the above silicon oxide copper silver any of the above silicon oxide ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relationships are not valid for short transmission lines All of these Is = Ir A = D = 1 B = C = Z All of these Is = Ir A = D = 1 B = C = Z ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of a surge tank is to produce surge in the pipeline. none of above. supply water at constant pressure. relieve water hammer pressure in the penstock. produce surge in the pipeline. none of above. supply water at constant pressure. relieve water hammer pressure in the penstock. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) (Zs - Zl)/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 meters, which type of turbine is used in hydro power station? Pelton None of these Francis Kaplan Pelton None of these Francis Kaplan ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 90° 45° 36° 42° 90° 45° 36° 42° ANSWER DOWNLOAD EXAMIANS APP
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