Power Systems For flat voltage profile system, voltage regulation is 0% 50% any of the above 100% 0% 50% any of the above 100% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? Over voltage Failure of prime mover of the generator All of these Failure of excitation Over voltage Failure of prime mover of the generator All of these Failure of excitation ANSWER DOWNLOAD EXAMIANS APP
Power Systems Characteristics of arc quenching medium is/are High thermal conductivity All of these Non flammable High dielectric strength High thermal conductivity All of these Non flammable High dielectric strength ANSWER DOWNLOAD EXAMIANS APP
Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 100 MVA 200 MVA 500 MVA 400 MVA 100 MVA 200 MVA 500 MVA 400 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relationships are not valid for short transmission lines B = C = Z All of these Is = Ir A = D = 1 B = C = Z All of these Is = Ir A = D = 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power level of nuclear reactor can be increase by ( K = multiplication factor ) lowering the value of K below 1 but later bringing it back to K = 1. lowering the value of K below and keeping at that lowered value. raising the value of K above 1 and keeping it at raised value. raising the value of K above 1, but later bringing it back to K = 1. lowering the value of K below 1 but later bringing it back to K = 1. lowering the value of K below and keeping at that lowered value. raising the value of K above 1 and keeping it at raised value. raising the value of K above 1, but later bringing it back to K = 1. ANSWER DOWNLOAD EXAMIANS APP