Power Systems An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is 0.025 mH/Km 0.05 mH/Km 0 mH/Km 0.1 mH/Km 0.025 mH/Km 0.05 mH/Km 0 mH/Km 0.1 mH/Km ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are operating time is minimum used as load frequency control All of these most economical as a peak load supply plant operating time is minimum used as load frequency control All of these most economical as a peak load supply plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.2 pu 0.1 pu 0.4 pu 0.5 pu 0.2 pu 0.1 pu 0.4 pu 0.5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 60 Hz, 320 Km loss less line has sending end voltage 1.0 pu. The receiving end voltage on no-load is none of these. 1.116 pu. 1.088 pu. 1.1 pu. none of these. 1.116 pu. 1.088 pu. 1.1 pu. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A coal fired steam power station working at a plant factor of 80% has one 500 MW generating unit. If the heat content of coal is 2 kWh/kg, the overall plant efficiency is 40% and a train load of coal is 2000 metric tons, then the number of trains required daily for the plant is 16 2 10 6 16 2 10 6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sodium graphite reactors use sodium as moderator and graphite as coolant. a mixture of sodium and graphite as coolant. a mixture of sodium and graphite as moderator. sodium as coolant and graphite as moderator. sodium as moderator and graphite as coolant. a mixture of sodium and graphite as coolant. a mixture of sodium and graphite as moderator. sodium as coolant and graphite as moderator. ANSWER DOWNLOAD EXAMIANS APP