Power Systems In a thermal power plants, pressure in the working fluid cycle is developed by condenser. turbine. feed water pump. superheater. condenser. turbine. feed water pump. superheater. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10-6∠90° ℧. Find the no load receiving end voltage? 400 kV 500 kV 600 kV 320 kv 400 kV 500 kV 600 kV 320 kv 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 0.76 Hz 0.85 Hz -0.85 Hz -0.76 Hz 0.76 Hz 0.85 Hz -0.85 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station has a maximum demand of 15 MW. The plant capacity is 20 MW. Find the reserve capacity of the plant? 20 MW 15 MW 10 MW 5 MW 20 MW 15 MW 10 MW 5 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Breaking current is a ------------------ value? any of the above average RMS maximum any of the above average RMS maximum ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the disadvantages of phase modifiers? All of these It consumes both active and reactive power It requires more maintenance because of running equipment Initial cost of synchronous phase modifier is higher All of these It consumes both active and reactive power It requires more maintenance because of running equipment Initial cost of synchronous phase modifier is higher ANSWER DOWNLOAD EXAMIANS APP
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