Power Systems Rankine cycle efficiency of a steam power plant is of 20 - 30 %. 45 - 80 %. 30 - 45 %. 60 - 80 %. 20 - 30 %. 45 - 80 %. 30 - 45 %. 60 - 80 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for maximum voltage regulation cosφ = R/X tanφ = R/X tanφ = X/R cosφ = X/R cosφ = R/X tanφ = R/X tanφ = X/R cosφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 45 kV 32 kV 36 kV 40 kV 45 kV 32 kV 36 kV 40 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Generation of of one watt needs about ______________ fission per second 3.1 × 106. 3.1. 3.1 × 1010. 3.1 × 107. 3.1 × 106. 3.1. 3.1 × 1010. 3.1 × 107. 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 0.85 Hz -0.85 Hz -0.76 Hz 0.76 Hz 0.85 Hz -0.85 Hz -0.76 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Inductance of transmission line will decrease when GMD decrease and GMR increase GMD increase and GMR decrease both GMD and GMR decrease both GMD and GMR increase GMD decrease and GMR increase GMD increase and GMR decrease both GMD and GMR decrease both GMD and GMR increase ANSWER DOWNLOAD EXAMIANS APP
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