Power Systems A steam power generation has an overall efficiency of 20 %. 0.6 Kg of coal is burnt per kWh of electrical energy generated. Calculated the calorific value of fuel 7268.45 KCal / Kg. 7562 KCal / Kg. 7000 KCal / Kg. 7166.67 KCal / Kg. 7268.45 KCal / Kg. 7562 KCal / Kg. 7000 KCal / Kg. 7166.67 KCal / Kg. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base? 0.4 pu 0.1 pu 0.25 pu 0.2 pu 0.4 pu 0.1 pu 0.25 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of higher transmission voltage is/are Area of cross section and volume of the conductor is reduced Transmission line losses are reduced Power transfer capability of the transmission line is increased All of these Area of cross section and volume of the conductor is reduced Transmission line losses are reduced Power transfer capability of the transmission line is increased All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes is Pelton. Impeller. Francis. Kaplan. Pelton. Impeller. Francis. Kaplan. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Air blast CB. Oil CB. Vacuum CB. Any of these. Air blast CB. Oil CB. Vacuum CB. Any of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflector of a nuclear reactor are made up of beryllium. boron. steel. cast iron. beryllium. boron. steel. cast iron. ANSWER DOWNLOAD EXAMIANS APP