Power Systems Which of following power plants normally operage at high speeds Thermal. Petrol engine. Diesel engine. Hydro electric. Thermal. Petrol engine. Diesel engine. Hydro electric. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as All of these proximity effect carona skin effect All of these proximity effect carona skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the percentage reactance of an element is 20 % and the full load current is 50 Amp, the short circuit current will be 300 Amp. 200 Amp. 250 Amp. 350 Amp. 300 Amp. 200 Amp. 250 Amp. 350 Amp. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical visual voltage is the voltage at which None of these corona is visible with blue or violet colour corona is just initiated both 1 and 2 None of these corona is visible with blue or violet colour corona is just initiated both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MVA alternator operated at no load at frequency of 50 Hz, it has inertia constant of 5 MWsec/MVA and governing system has a time delay of 0.6 sec. If the load of 50 MW is suddenly applied then find the frequency deviation during this time? 0.76 Hz -0.85 Hz 0.85 Hz -0.76 Hz 0.76 Hz -0.85 Hz 0.85 Hz -0.76 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Rankine cycle efficiency of a steam power plant is of 45 - 80 %. 20 - 30 %. 30 - 45 %. 60 - 80 %. 45 - 80 %. 20 - 30 %. 30 - 45 %. 60 - 80 %. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS