Power Systems Which of the following contributes to the Rankine cycle efficiency improvement in a thermal power plant Use of high pressure. All of these Reheat of steam an intermediate stages. Use of steam for heating of boiler feed water. Use of high pressure. All of these Reheat of steam an intermediate stages. Use of steam for heating of boiler feed water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 17.32 kV/phase 34.64 kV/phase 41.075 kV/phase 82.15 kV/phase 17.32 kV/phase 34.64 kV/phase 41.075 kV/phase 82.15 kV/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 20-25% 30-40% 60-70% 45-55% 20-25% 30-40% 60-70% 45-55% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation 20060 J. 20160 J. 23060 J. 25060 J. 20060 J. 20160 J. 23060 J. 25060 J. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is unity 0.5 0 leading 0.707 leading unity 0.5 0 leading 0.707 leading ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a transmission line the insulators to be used at the dead end or sharp curves are suspension type strain type any of the above pin type insulator suspension type strain type any of the above pin type insulator ANSWER DOWNLOAD EXAMIANS APP
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