Power Systems What is the correct expression for the electrical power developed by ( 75 / 0.736 ) × WQHη. 75 × 0.736 × WQHη. ( 7 / 75 ) × WQHη. ( 0.763 / 75 ) × WQHη. ( 75 / 0.736 ) × WQHη. 75 × 0.736 × WQHη. ( 7 / 75 ) × WQHη. ( 0.763 / 75 ) × WQHη. 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 %. 78.96 %. 74.56 %. 79.33 %. 80.25 %. 78.96 %. 74.56 %. 79.33 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is 8 10 20 4 8 10 20 4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factor does the performance of a circuit breaker depend? Critical length of breaking. None of these. Both A and C. Breaking speed. Critical length of breaking. None of these. Both A and C. Breaking speed. ANSWER DOWNLOAD EXAMIANS APP
Power Systems String chart is drawn between nether 1 nor 2 T on Y-axis and S and T on on X-axis temperature (T) on X- axis, sag(S) and tension (T) on Y-axis both 1 and 2 nether 1 nor 2 T on Y-axis and S and T on on X-axis temperature (T) on X- axis, sag(S) and tension (T) on Y-axis both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for maximum voltage regulation tanφ = R/X tanφ = X/R cosφ = X/R cosφ = R/X tanφ = R/X tanφ = X/R cosφ = X/R cosφ = R/X ANSWER DOWNLOAD EXAMIANS APP
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