Power Systems A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time? 0.92 0.56 -0.92 -0.56 0.92 0.56 -0.92 -0.56 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In Francis turbine runner, the number blades is usually of the order of 6 - 8. 16 - 24. 3 - 6. 12 - 14. 6 - 8. 16 - 24. 3 - 6. 12 - 14. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to product of boiler efficiency, turbine efficiency and generator efficiency. regenerative cycle. the Rankine cycle. binary vapor cycle. product of boiler efficiency, turbine efficiency and generator efficiency. regenerative cycle. the Rankine cycle. binary vapor cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems MCB stands for minimum capacity breaker. molded circuit breaker. maximum capacity breaker. miniature circuit breaker. minimum capacity breaker. molded circuit breaker. maximum capacity breaker. miniature circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Plug setting of a relay can be altered by varying adjustable back up stop. air gap of magnetic path. none of these. no. of ampere-turns. adjustable back up stop. air gap of magnetic path. none of these. no. of ampere-turns. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In an induction relay for a particular current setting the operating time 4 sec. When the time multiplier setting is 0.8 if the time multiplier setting is rest to 1 the operating time is 1. 10. 5. un changed. 1. 10. 5. un changed. ANSWER DOWNLOAD EXAMIANS APP
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