Power Systems A 4 bus power system consists of 4 transmission lines, then find the sparsity of Y bus matrix? 0.4 0.75 0.25 0.5 0.4 0.75 0.25 0.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro power plant of run off river type should be provided with pondage so that the operating head is controlled. pressure inside the turbine casing remains. kinetic energy of the running water is fully utilized. firm capacity of plant is increased. operating head is controlled. pressure inside the turbine casing remains. kinetic energy of the running water is fully utilized. firm capacity of plant is increased. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which cooling is preferred for large turbine generator None of these. Oxygen cooling. Nitrogen cooling. Hydrogen cooling. None of these. Oxygen cooling. Nitrogen cooling. Hydrogen cooling. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a fault occurs on any feeder, the fault current is none of these. much higher than with unsectional bus bar. much lower than with unsectional bus bar. equal to unsectional bus bar. none of these. much higher than with unsectional bus bar. much lower than with unsectional bus bar. equal to unsectional bus bar. 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? 2000 Ω 750 Ω 3000 Ω 1500 Ω 2000 Ω 750 Ω 3000 Ω 1500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where is the draft tube of a hydroelectric plant that is an airtight pipe located At the beginning of the penstock. In between the penstock and runner. In between the runner exhaust and the tail race. Near the surge tank. At the beginning of the penstock. In between the penstock and runner. In between the runner exhaust and the tail race. Near the surge tank. ANSWER DOWNLOAD EXAMIANS APP
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