Power Systems A hydro power plant of run off river type should be provided with pondage so that the operating head is controlled. firm capacity of plant is increased. kinetic energy of the running water is fully utilized. pressure inside the turbine casing remains. operating head is controlled. firm capacity of plant is increased. kinetic energy of the running water is fully utilized. pressure inside the turbine casing remains. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection switch is used to provide protection against short circuit. over voltage. overload. temperature. short circuit. over voltage. overload. temperature. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load duration curve for a system is 8 hours 30 MW, 16 hours 25 MW and 24 hours 20 MW. The load factor will be 0.83. 1.3. 0.25. 0.44. 0.83. 1.3. 0.25. 0.44. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠°90 Ω, C = 0.5*10^-6∠90° ℧. Find Charging current under no load? 0.344∠90° A/phase 0.144∠90° A/phase 1.144∠90° A/phase 0.512∠90° A/phase 0.344∠90° A/phase 0.144∠90° A/phase 1.144∠90° A/phase 0.512∠90° A/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be 450 900 250 500 450 900 250 500 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is an impulse turbine Francis turbine. None of above. Kaplan turbine. Pelton turbine. Francis turbine. None of above. Kaplan turbine. Pelton turbine. ANSWER DOWNLOAD EXAMIANS APP
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