Power Systems What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes 80.25 %. 74.56 %. 79.33 %. 78.96 %. 80.25 %. 74.56 %. 79.33 %. 78.96 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Suspension type insulators are used for voltage beyond 440 V 11 kV 33 kV 230 V 440 V 11 kV 33 kV 230 V ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are base load plants? nuclear plants All of these hydro plants thermal plants nuclear plants All of these hydro plants thermal plants ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead 6.92% -10% 10% -6.92% 6.92% -10% 10% -6.92% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer in a transmission line can be obtained by None of these increasing voltage level either 1 or 2 reducing reactance None of these increasing voltage level either 1 or 2 reducing reactance 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. none of these. SF6 breaker. oil circuit breaker. air blast circuit breaker. none of these. SF6 breaker. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS