Power Systems In which of the following frequency control method tie line may be overloaded? flat tie line control All of these parallel frequency flat frequency control flat tie line control All of these parallel frequency flat frequency control ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of power system is/are Cost of electrical energy per KWh is to be minimum Flexible power has to be available. Reliable power has to be available All of these Cost of electrical energy per KWh is to be minimum Flexible power has to be available. Reliable power has to be available All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton turbine is a ----------- turbine impulsive inward radial flow axial flow any of the above impulsive inward radial flow axial flow any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a line is increased by which of the following compensation methods? series capacitor both 1 and 2 shunt reactor shunt capacitor series capacitor both 1 and 2 shunt reactor shunt capacitor 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
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 15% 88.2% 11.8% 85% 15% 88.2% 11.8% 85% ANSWER DOWNLOAD EXAMIANS APP
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