Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Remains the same Is increased None of the listed here Is decreased Remains the same Is increased None of the listed here Is decreased ANSWER DOWNLOAD EXAMIANS APP
Alternators The stator of an alternator rarely uses _____slots. Closed type Semi-closed type Wide open type None of the listed here Closed type Semi-closed type Wide open type None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Large leakage reactance Large armature resistance Complex effects of armature reaction None of the listed here Large leakage reactance Large armature resistance Complex effects of armature reaction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Which of the following prime movers is the least efficient? Diesel engine Steam turbine Gas turbine Steam engine Diesel engine Steam turbine Gas turbine Steam engine ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator is somtimes called _______ generator. Asynchronous None of the listed here Rosenberg Synchronous Asynchronous None of the listed here Rosenberg Synchronous 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 Increasing the speed of prime movers Increasing the field excitation Decreasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers Increasing the field excitation Decreasing the field excitation ANSWER DOWNLOAD EXAMIANS APP
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