Alternators Turbo alternator are generally used to run at 15000 rpm 1500 rpm 5000 rpm 3000 rpm 15000 rpm 1500 rpm 5000 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators Majority of the alternators in the use have _____ None of the listed here Stationary field type construction Revolving ac armature winding Revolving field type construction None of the listed here Stationary field type construction Revolving ac armature winding Revolving field type construction ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ None of the listed here 50 Hz 120 Hz 60 Hz None of the listed here 50 Hz 120 Hz 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator supplying power to a load with a leading power factor always has ______ voltage regulation. Zero Negative Unity Positive Zero Negative Unity Positive 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 field excitation Increasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers Decreasing the field excitation Increasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ None of the listed here Phase sequence Field excitation of alternators Driving torques of prime movers None of the listed here Phase sequence Field excitation of alternators Driving torques of prime movers ANSWER DOWNLOAD EXAMIANS APP