Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes runners is Pelton Kaplan Impeller Francis Pelton Kaplan Impeller Francis ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are made up of which material? any of the above copper silver silicon oxide any of the above copper silver silicon oxide ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a three-phase system, when the loads are perfectly balanced, the neutral current is zero. one - third of maximum. one - third of minimum. two - thirds of maximum. zero. one - third of maximum. one - third of minimum. two - thirds of maximum. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most suitable circuit breaker for short line fault without switching resistor is oil circuit breaker. air blast circuit breaker. SF6 breaker. none of these. oil circuit breaker. air blast circuit breaker. SF6 breaker. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An ACSR conductor has internal inductance 0.05 mH/Km for µr = 1. If this ACSR is replaced with another having µr = 2, then find the internal inductance? 0 mH/Km 0.025 mH/Km 0.05 mH/Km 0.1 mH/Km 0 mH/Km 0.025 mH/Km 0.05 mH/Km 0.1 mH/Km ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 28 Ω 52 Ω 40 Ω 33 Ω 28 Ω 52 Ω 40 Ω 33 Ω ANSWER DOWNLOAD EXAMIANS APP