Power Systems Mho relay is used for protection of short lines. none of these. medium lines. long lines. short lines. none of these. medium lines. long lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most suitable circuit breaker for short line fault without switching resistor is oil circuit breaker. SF6 breaker. none of these. air blast circuit breaker. oil circuit breaker. SF6 breaker. none of these. air blast circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants normally operage at high speeds Petrol engine. Thermal. Hydro electric. Diesel engine. Petrol engine. Thermal. Hydro electric. Diesel engine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by Zs = 0.2 pu, Zm =0.7 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.6 pu, Zm =0.5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz. Find the power input supplied by the turbine for maintaining constant frequency? 15 MW 5 MW 20 MW 10 MW 15 MW 5 MW 20 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following materials can be used as coolant CO2. Heavy water. Any of above. Helium. CO2. Heavy water. Any of above. Helium. ANSWER DOWNLOAD EXAMIANS APP