Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 7 pu 5.353 pu 3.535 pu 5 pu 7 pu 5.353 pu 3.535 pu 5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a nuclear reator thermal energy is obtained from burning of fuel rods in oxygen. all of above. fission of radioactive material. fusion of radioactive material. burning of fuel rods in oxygen. all of above. fission of radioactive material. fusion of radioactive material. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The area under a flow duration curve represents total of units of energy available. maximum rate of run-off during the period. total power available. total quantity of run-off during that period. total of units of energy available. maximum rate of run-off during the period. total power available. total quantity of run-off during that period. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to the Rankine cycle. binary vapor cycle. product of boiler efficiency, turbine efficiency and generator efficiency. regenerative cycle. the Rankine cycle. binary vapor cycle. product of boiler efficiency, turbine efficiency and generator efficiency. regenerative cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for protection of medium lines. none of these. long lines. short lines. medium lines. none of these. long lines. short lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Rankine cycle efficiency of a steam power plant is of 30 - 45 %. 60 - 80 %. 45 - 80 %. 20 - 30 %. 30 - 45 %. 60 - 80 %. 45 - 80 %. 20 - 30 %. ANSWER DOWNLOAD EXAMIANS APP