Power Systems Incremental cost of two generators Ic1 = 0.2 P1+60, Ic2 = 0.3 P2+40 and the ratings of the generator are 150 and 250 MW. Find the load sharing of each generator for a load of 200 MW? P1 = 100 MW, P2 = 100 MW P1 = 60 MW, P2 = 140 MW P1 = 80 MW, P2 = 120 MW P1 = 120 MW, P2 = 80 MW P1 = 100 MW, P2 = 100 MW P1 = 60 MW, P2 = 140 MW P1 = 80 MW, P2 = 120 MW P1 = 120 MW, P2 = 80 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? Over voltage Failure of prime mover of the generator Failure of excitation All of these Over voltage Failure of prime mover of the generator Failure of excitation All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speeds of Kaplan, Francis and Pelton turbines are in the increasing order. neither increasing nor decreasing order. None of these the decreasing order. the increasing order. neither increasing nor decreasing order. None of these the decreasing order. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following statement are false Nuclear power plants are used as peak load plants only. In a nuclear reactor, multiplication factor is kept almost equal to one. In nuclear power plants, chain reaction is controlled by cadmium rods. A thermal reactor needs a moderator material. Nuclear power plants are used as peak load plants only. In a nuclear reactor, multiplication factor is kept almost equal to one. In nuclear power plants, chain reaction is controlled by cadmium rods. A thermal reactor needs a moderator material. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power transmission lines are transposed to reduce proximity effect skin effect ferranti effect radio interference proximity effect skin effect ferranti effect radio interference ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum efficiency of modern coal fired steam steam raising thermal power plants is restricted to about 0.35( a low value), mainly because of low steam turbine mechanical efficiency high energy loss in condenser low alternator efficiency high energy loss in boilers low steam turbine mechanical efficiency high energy loss in condenser low alternator efficiency high energy loss in boilers ANSWER DOWNLOAD EXAMIANS APP
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