Power Systems The most commonly used material for insulators of overhead lines is mica PVC glass porcelain mica PVC glass porcelain ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be 10.936 pu 8.936 pu 7.936 pu 9.936 pu 10.936 pu 8.936 pu 7.936 pu 9.936 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (3+4j) Ω . Find the power factor of the load for achieving maximum and zero voltage regulation? 0.6 lag and 0.6 lead 0.8 lag and 0.6 lead 0.6 lag and 0.8 lead 0.8 lag and 0.8 lead 0.6 lag and 0.6 lead 0.8 lag and 0.6 lead 0.6 lag and 0.8 lead 0.8 lag and 0.8 lead ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power plants can generate power at unpredictable or uncontrollable time Cooling tower. Condenser. Wind turbine. Pulverising unit. Cooling tower. Condenser. Wind turbine. Pulverising unit. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which material is used in controlling chain reaction in a nuclear reactor Thorium. Heavy water. Boron. Beryllium. Thorium. Heavy water. Boron. Beryllium. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To improve the efficiency of thermal power plant ________________ is placed between boiler and turbine. ash handling point. air preheater. superheater. economizer. ash handling point. air preheater. superheater. economizer. ANSWER DOWNLOAD EXAMIANS APP