Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Vacuum CB. Any of these. Oil CB. Air blast CB. Vacuum CB. Any of these. Oil CB. Air blast CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 45-55% 30-40% 60-70% 20-25% 45-55% 30-40% 60-70% 20-25% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical disruptive voltage is a voltage at which both 1 and 2 nether 1 nor 2 corona is just initiated corona is visible with blue or violet colour both 1 and 2 nether 1 nor 2 corona is just initiated corona is visible with blue or violet colour ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which turbine is ideally suited to pumped storage plants Pelton. Impeller. Francis. Kaplan. Pelton. Impeller. Francis. Kaplan. ANSWER DOWNLOAD EXAMIANS APP
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 %. 79.33 %. 78.96 %. 74.56 %. 80.25 %. 79.33 %. 78.96 %. 74.56 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro power plant of run off river type should be provided with pondage so that the kinetic energy of the running water is fully utilized. pressure inside the turbine casing remains. operating head is controlled. firm capacity of plant is increased. kinetic energy of the running water is fully utilized. pressure inside the turbine casing remains. operating head is controlled. firm capacity of plant is increased. ANSWER DOWNLOAD EXAMIANS APP
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