Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes runners is Kaplan Francis Pelton Impeller Kaplan Francis Pelton Impeller ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton wheel turbine is a none of above. medium head turbine. high head turbine. low head turbine. none of above. medium head turbine. high head turbine. low head turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sag in an overhead line increase, tension in the line remains same None of these increase decrease remains same None of these increase decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? Buchholz relay. Impedance relay. IDMT relay. Mho relay. Buchholz relay. Impedance relay. IDMT relay. Mho relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has the following characteristics, L = 0.201 µH/m and C = 196.2 pF/m. The velocity of wave propagation through cable is 159.24 m/µs 0.0312 m/s 159.24 m/s 32 m/s 159.24 m/µs 0.0312 m/s 159.24 m/s 32 m/s ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for zero voltage regulation is tanφ = R/X cosφ = R/X tanφ = X/R cosφ = X/R tanφ = R/X cosφ = R/X tanφ = X/R cosφ = X/R ANSWER DOWNLOAD EXAMIANS APP