Alternators Which of the following prime movers is the least efficient? Gas turbine Diesel engine Steam turbine Steam engine Gas turbine Diesel engine Steam turbine Steam engine ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Decreasing the speed of prime movers Decreasing the field excitation Increasing the speed of prime movers Increasing the field excitation Decreasing the speed of prime movers Decreasing the field excitation Increasing the speed of prime movers Increasing the field excitation ANSWER DOWNLOAD EXAMIANS APP
Alternators A lower voltage alternator, for the same power rating, will be Operating at high rpm More efficient More costly Larger in size Operating at high rpm More efficient More costly Larger in size ANSWER DOWNLOAD EXAMIANS APP
Alternators Copper losses of an alternator can be measured by Transformer None of the listed here Dc motor Rectifier Transformer None of the listed here Dc motor Rectifier ANSWER DOWNLOAD EXAMIANS APP
Alternators The dark and bright lamp method is used for Balancing of load Transfer of load Phase sequence Synchronizing Balancing of load Transfer of load Phase sequence Synchronizing ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the armature reaction will be completely magnetizing in case the load power factor is Zero lagging Zero leading Unity 0.866 Zero lagging Zero leading Unity 0.866 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS