Power Systems What is the approximate efficiency of a normal thermal power station? 30-40% 60-70% 45-55% 20-25% 30-40% 60-70% 45-55% 20-25% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following plants has the maximum eapital cost Diesel plants. Steam plants. Hydro-plants. Nuclear plants. Diesel plants. Steam plants. Hydro-plants. Nuclear plants. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.0030 0.0060 0.60 0.30 0.0030 0.0060 0.60 0.30 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For which one of the following types of motors, is the equal area criterion for stability applicable? DC series motor DC shunt motor Three phase induction motor Three phase synchronous motor DC series motor DC shunt motor Three phase induction motor Three phase synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which power plant cannot have single unit of 100 MW capacity Hydro electric power plant. Steam power plant. Diesel engine plant. Nuclear power plant. Hydro electric power plant. Steam power plant. Diesel engine plant. Nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is 2 5 6 8 2 5 6 8 ANSWER DOWNLOAD EXAMIANS APP
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