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 high energy loss in condenser low steam turbine mechanical efficiency low alternator efficiency high energy loss in boilers high energy loss in condenser low steam turbine mechanical efficiency low alternator efficiency high energy loss in boilers ANSWER DOWNLOAD EXAMIANS APP
Power Systems Objectives of power system is/are both 1 and 2 nether 1 nor 2 Cost of electrical energy per KWh is to be minimum Rated voltage and frequency has to be supplied to the consumers both 1 and 2 nether 1 nor 2 Cost of electrical energy per KWh is to be minimum Rated voltage and frequency has to be supplied to the consumers ANSWER DOWNLOAD EXAMIANS APP
Power Systems If transmission line parameters A and B are 0.9∠0° and 200∠90° respectively. Find the shunt reactor required to compensate the ferranti effect? 750 Ω 1500 Ω 2000 Ω 3000 Ω 750 Ω 1500 Ω 2000 Ω 3000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a pumped storage power plant is operated in conjunction with a steam power plant All of these the operating cost of the steam plant become optimum load factor of the steam plant is increased chances of the tripping of the system decrease All of these the operating cost of the steam plant become optimum load factor of the steam plant is increased chances of the tripping of the system decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems Fault calculations using computer are usually done by None of these either 1 or 2 Z bus method Y bus method None of these either 1 or 2 Z bus method Y bus method ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a biased differential relay the bias is defined as the ratio of fault current and operating coil current. fault current and restraining coil current. number of turns of restraining and operating coil. operating coil current and restraining coil current. fault current and operating coil current. fault current and restraining coil current. number of turns of restraining and operating coil. operating coil current and restraining coil current. ANSWER DOWNLOAD EXAMIANS APP
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