Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 5 pu 3.535 pu 5.353 pu 7 pu 5 pu 3.535 pu 5.353 pu 7 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ideal plant load cfactor is 0 less than 1 1 greater than 1 0 less than 1 1 greater than 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mercury is choice with steam in binary vapor cycle because higher saturation temperature than other fluids. higher critical temperature and pressure. all of above. relative low vaporization pressure. higher saturation temperature than other fluids. higher critical temperature and pressure. all of above. relative low vaporization pressure. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 4.68 msec 2.63 msec 9.68 1.47 msec 4.68 msec 2.63 msec 9.68 1.47 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is 200 MW 800 MW 1600 MW 400 MW 200 MW 800 MW 1600 MW 400 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Plug setting of a relay can be altered by varying none of these. adjustable back up stop. no. of ampere-turns. air gap of magnetic path. none of these. adjustable back up stop. no. of ampere-turns. air gap of magnetic path. ANSWER DOWNLOAD EXAMIANS APP
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