Power Systems If in a line, resistance and reactance are found to be equal and regulation is zero, then load will have 0.707 lagging power factor unity power factor 0.707 leading power factor zero power factor 0.707 lagging power factor unity power factor 0.707 leading power factor zero power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Objectives of power system is/are Cost of electrical energy per KWh is to be minimum nether 1 nor 2 Rated voltage and frequency has to be supplied to the consumers both 1 and 2 Cost of electrical energy per KWh is to be minimum nether 1 nor 2 Rated voltage and frequency has to be supplied to the consumers both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two identical synchronous machines having same inertia constant are connected in parallel and swinging together. The effective inertia constant is 4 MJ/MVA. Then each machine has inertia constant of 16 MJ/MVA 4 MJ/MVA 8 MJ/MVA 2 MJ/MVA 16 MJ/MVA 4 MJ/MVA 8 MJ/MVA 2 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following contributes to the Rankine cycle efficiency improvement in a thermal power plant Use of steam for heating of boiler feed water. Reheat of steam an intermediate stages. All of these Use of high pressure. Use of steam for heating of boiler feed water. Reheat of steam an intermediate stages. All of these Use of high pressure. ANSWER DOWNLOAD EXAMIANS APP
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 enthalpy between inlet and outlet. change of entropy between inlet and outlet. change in internal energy between inlet and outlet. change in temperature between inlet and outlet. change of enthalpy between inlet and outlet. change of entropy between inlet and outlet. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plants, pressure in the working fluid cycle is developed by turbine. feed water pump. condenser. superheater. turbine. feed water pump. condenser. superheater. ANSWER DOWNLOAD EXAMIANS APP
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