Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes runners is Impeller Francis Pelton Kaplan Impeller Francis Pelton Kaplan ANSWER DOWNLOAD EXAMIANS APP
Power Systems Location of a surge tank, in an hydro electric power station is near dam. tail race. reservoir. turbine. dam. tail race. reservoir. turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation? initial cost is low both 1 and 2 smooth voltage regulation is possible by controlling excitation single unit can be used as both capacitance and inductor by adjusting the excitation initial cost is low both 1 and 2 smooth voltage regulation is possible by controlling excitation single unit can be used as both capacitance and inductor by adjusting the excitation ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is 500 Ω 25 Ω 1000 Ω 250 Ω 500 Ω 25 Ω 1000 Ω 250 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the spacing between the phase conductors, the value of line inductance increase None of these remains unaffected decrease increase None of these remains unaffected decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used for protection of equipment from open circuits protection of equipment from external lightning All of these protection of equipment from short circuits protection of equipment from open circuits protection of equipment from external lightning All of these protection of equipment from short circuits ANSWER DOWNLOAD EXAMIANS APP
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