Power Systems If a generator of 250 MVA rating has an inertia constant of 6 MJ/MVA, its inertia constant on 100 MVA base is 6 MJ/MVA 10.5 MJ/MVA 15 MJ/MVA 2.5 MJ/MVA 6 MJ/MVA 10.5 MJ/MVA 15 MJ/MVA 2.5 MJ/MVA 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 boilers high energy loss in condenser low alternator efficiency low steam turbine mechanical efficiency high energy loss in boilers high energy loss in condenser low alternator efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Objectives of power system is/are nether 1 nor 2 Rated voltage and frequency has to be supplied to the consumers Cost of electrical energy per KWh is to be minimum both 1 and 2 nether 1 nor 2 Rated voltage and frequency has to be supplied to the consumers Cost of electrical energy per KWh is to be minimum both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Communications lines are treated as short transmission lines any of the above medium transmission lines long transmission lines short transmission lines any of the above medium transmission lines long transmission lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pipes carrying steam are generally of aluminium. steel. cobalt. cast iron. aluminium. steel. cobalt. cast iron. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed ( NS ) of turbine is given by none of these. N√( P ) / H1.25. P√( N ) / H3/2. N√( P ) / H2/3. none of these. N√( P ) / H1.25. P√( N ) / H3/2. N√( P ) / H2/3. ANSWER DOWNLOAD EXAMIANS APP
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