Power Systems In Rankine cycle, the work output from a turbine is given by change in internal energy between inlet and outlet. change in temperature between inlet and outlet. change of entropy between inlet and outlet. change of enthalpy between inlet and outlet. change in internal energy between inlet and outlet. change in temperature between inlet and outlet. change of entropy between inlet and outlet. change of enthalpy between inlet and outlet. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station has a maximum demand of 15 MW. The plant capacity is 20 MW. Find the reserve capacity of the plant? 20 MW 10 MW 15 MW 5 MW 20 MW 10 MW 15 MW 5 MW ANSWER DOWNLOAD EXAMIANS APP
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 Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 86%% 90% 75% 50% 86%% 90% 75% 50% ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a pressurized water reactor heavy water is used as both coolant and moderator. both B and C. the coolant water boils in the reactor core. water is used at high pressure so that it is available is liquid from at about 280° C. heavy water is used as both coolant and moderator. both B and C. the coolant water boils in the reactor core. water is used at high pressure so that it is available is liquid from at about 280° C. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading can be increased by increasing of capacitance value increasing of voltage level increasing of inductance value both 1 and 2 increasing of capacitance value increasing of voltage level increasing of inductance value both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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