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 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 ANSWER DOWNLOAD EXAMIANS APP
Alternators The airgap in an alternator is ________ in an induction motor. Much longer than Much shorter than About same as None of the listed here Much longer than Much shorter than About same as None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The losses in an alternator are the same as in None of the listed here A dc machine A rectifier A transformer None of the listed here A dc machine A rectifier A transformer ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternators are generally used to run at 5000 rpm 1500 rpm 1500 rpm 3000 rpm 5000 rpm 1500 rpm 1500 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator depends on None of the listed here Load current only Both load current and pf Power factor only None of the listed here Load current only Both load current and pf Power factor only ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Large armature resistance None of the listed here Complex effects of armature reaction Large leakage reactance Large armature resistance None of the listed here Complex effects of armature reaction Large leakage reactance ANSWER DOWNLOAD EXAMIANS APP
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