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 Suspension type insulators are used for voltage beyond 230 V 440 V 33 kV 11 kV 230 V 440 V 33 kV 11 kV 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 0.76 Hz 0.85 Hz -0.76 Hz -0.85 Hz 0.76 Hz 0.85 Hz 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 3000 Ω 2000 Ω 750 Ω 1500 Ω 3000 Ω 2000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which material is used in controlling chain reaction in a nuclear reactor Thorium. Beryllium. Heavy water. Boron. Thorium. Beryllium. Heavy water. Boron. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer? star-star delta-star star-delta delta-delta star-star delta-star star-delta delta-delta ANSWER DOWNLOAD EXAMIANS APP
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