Power Systems If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is 8 MJ 50 MJ 200 MJ 400 MJ 8 MJ 50 MJ 200 MJ 400 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems When bundle conductor are used in place of single conductor the effective inductance and capacitance will respectively decrease and remain unaffected. increase and remain unaffected. increase and decrease. decrease and increase. decrease and remain unaffected. increase and remain unaffected. increase and decrease. decrease and increase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Δ-Y connection Y-Y connection Y-Δ connection Δ-Δ connection Δ-Y connection Y-Y connection Y-Δ connection Δ-Δ connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most commonly used material for insulators of overhead lines is glass mica porcelain PVC glass mica porcelain PVC ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following matrix is used for load flow studies? Z bus matrix Unit matrix Y bus matrix null matrix Z bus matrix Unit matrix Y bus matrix null matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is a reaction turbines Kaplan and Pelton turbine. None of these. Pelton turbine and Francis turbine. Francis turbine and Kaplan turbine. Kaplan and Pelton turbine. None of these. Pelton turbine and Francis turbine. Francis turbine and Kaplan turbine. ANSWER DOWNLOAD EXAMIANS APP