Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 105.2 85.5 95.5 102.5 105.2 85.5 95.5 102.5 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 79.33 %. 74.56 %. 80.25 %. 78.96 %. 79.33 %. 74.56 %. 80.25 %. 78.96 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a fault occurs on any feeder, the fault current is none of these. much lower than with unsectional bus bar. much higher than with unsectional bus bar. equal to unsectional bus bar. none of these. much lower than with unsectional bus bar. much higher than with unsectional bus bar. equal to unsectional bus bar. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching? SF6 CB. Vacuum CB. Oil CB. Air blast CB. SF6 CB. Vacuum CB. Oil CB. Air blast CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems String efficiency depends upon all of these. voltage rating of whole string. voltage rating of one SCR. no. of SCR in the string. all of these. voltage rating of whole string. voltage rating of one SCR. no. of SCR in the string. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In coal fired thermal power stations, what are the electrostatic precipitators used for? To keep the air heaters clean To remove dust particles setting on the bus bar conductors in the station switch yard To collect the dust particles from the flue gases All of these To keep the air heaters clean To remove dust particles setting on the bus bar conductors in the station switch yard To collect the dust particles from the flue gases All of these ANSWER DOWNLOAD EXAMIANS APP
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