Power Systems Critical mass is maximum mass of fissionable material required to sustain a chain reaction. none of these. minimum mass of fissionable material required to sustain chain reaction. a mass of fissionable material required to stop a chain reaction. maximum mass of fissionable material required to sustain a chain reaction. none of these. minimum mass of fissionable material required to sustain chain reaction. a mass of fissionable material required to stop a chain reaction. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the function of economiser in steam boilers cooling collect ash particals improving thermal efficiency All of these cooling collect ash particals improving thermal efficiency All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as skin effect proximity effect carona All of these skin effect proximity effect carona All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In case of failure of prime mover of the generator, which type of relay is used? offset mho relay reverse power relay distance relays impedance relay offset mho relay reverse power relay distance relays impedance relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are used as load frequency control operating time is minimum most economical as a peak load supply plant All of these used as load frequency control operating time is minimum most economical as a peak load supply plant All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Resistance switching in normally employed in air blast circuit breaker. minimum oil breakers. all breakers. bulk oil breakers. air blast circuit breaker. minimum oil breakers. all breakers. bulk oil breakers. ANSWER DOWNLOAD EXAMIANS APP
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