Power Systems Which of the following produces the radio interference in communication lines? both 1 and 2 None of these electro magnetic induction electro static induction both 1 and 2 None of these electro magnetic induction electro static induction ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to the Rankine cycle. product of boiler efficiency, turbine efficiency and generator efficiency. binary vapor cycle. regenerative cycle. the Rankine cycle. product of boiler efficiency, turbine efficiency and generator efficiency. binary vapor cycle. regenerative cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mercury is choice with steam in binary vapor cycle because relative low vaporization pressure. higher critical temperature and pressure. higher saturation temperature than other fluids. all of above. relative low vaporization pressure. higher critical temperature and pressure. higher saturation temperature than other fluids. all of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 21 10 20 13 21 10 20 13 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 400 kV power network, 360 kV is recorded at 400 kV bus. The reactive power absorbed by a shunt reactor for 50 MVAr, 400 kV connected at the bus is 45.0 MVAr. 55.56 MVAr. 61.73 MVAr. 40.5 MVAr. 45.0 MVAr. 55.56 MVAr. 61.73 MVAr. 40.5 MVAr. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead -6.92% 6.92% 10% -10% -6.92% 6.92% 10% -10% ANSWER DOWNLOAD EXAMIANS APP
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