Power Systems Which of the following materials is/are used as moderators? heavy water All of these graphite beryllium heavy water All of these graphite beryllium ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a lossy transmission line, the characteristic impedance does not depend on The permittivity of the dielectric separating the conductor. The load terminating the line. The conductivity of conductors. The operating frequency of the line. The permittivity of the dielectric separating the conductor. The load terminating the line. The conductivity of conductors. The operating frequency of the line. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following contributes to the Rankine cycle efficiency improvement in a thermal power plant 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. Use of steam for heating of boiler feed water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants is free from environmental problem Hydroelectric. Nuclear. Diesel engine. Steam. Hydroelectric. Nuclear. Diesel engine. Steam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 2 F 0.5 F 1 F 4 F 2 F 0.5 F 1 F 4 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will reduce the heat increase the thermal efficiency reduce the thermal efficiency both 2 and 3 reduce the heat increase the thermal efficiency reduce the thermal efficiency both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP