Power Systems Proximity effect depends on distance between the conductors All of these frequency relative permeability distance between the conductors All of these frequency relative permeability ANSWER DOWNLOAD EXAMIANS APP
Power Systems If power P available from a hydroelectric plant is given by the formula P = 9.81QH, where Q is the flow rate through the turbine in l / s and H is the head in meters, then P will be unit of kWh. HP. W. kJ / S. kWh. HP. W. kJ / S. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with high percentage of reaction and runner adjust vanes is Impeller. Kaplan. Pelton. Francis. Impeller. Kaplan. Pelton. Francis. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the ratio of the C.T. on the H.V side of a 3 - φ star / delta 33 / 11 kV transformer if the protecting CT on the LV side has a ratio of 300 : 5 ? 200 : 5 / √3. 100 : 5 / √3. 150 : 4 / √3. 120 : 6 / √3. 200 : 5 / √3. 100 : 5 / √3. 150 : 4 / √3. 120 : 6 / √3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems String chart is drawn between nether 1 nor 2 temperature (T) on X- axis, sag(S) and tension (T) on Y-axis both 1 and 2 T on Y-axis and S and T on on X-axis nether 1 nor 2 temperature (T) on X- axis, sag(S) and tension (T) on Y-axis both 1 and 2 T on Y-axis and S and T on on X-axis 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