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 79.33 %. 80.25 %. 74.56 %. 78.96 %. 79.33 %. 80.25 %. 74.56 %. 78.96 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used to reduce the vibrations at the point of support increase the sag All of these reduce the tension reduce the vibrations at the point of support increase the sag All of these reduce the tension ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 1.0. 0.99. 0.75. 1.35. 1.0. 0.99. 0.75. 1.35. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which power plant cannot have single unit of 100 MW capacity Nuclear power plant. Steam power plant. Hydro electric power plant. Diesel engine plant. Nuclear power plant. Steam power plant. Hydro electric power plant. Diesel engine plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base? 0.25 pu 0.1 pu 0.4 pu 0.2 pu 0.25 pu 0.1 pu 0.4 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is operating under no load has ABCD parameters B = 100∠90° has a phase shift of 0.2 rad, how much shunt reactor is required for compensation of ferranti effect? 2 H 2 mH 15.9 mH 15.9 H 2 H 2 mH 15.9 mH 15.9 H ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS