Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 50 Hz 60 Hz 120 Hz None of the listed here 50 Hz 60 Hz 120 Hz None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The airgap in an alternator is ________ in an induction motor. None of the listed here Much shorter than About same as Much longer than None of the listed here Much shorter than About same as Much longer than ANSWER DOWNLOAD EXAMIANS APP
Alternators The stator of an alternator is wound for _______on the rotor. None of the listed here Less number of poles than The same number of poles as More number of poles than None of the listed here Less number of poles than The same number of poles as More number of poles than ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Cool the machine Reduce eddy current losses Strengthen the magnetic field Reduce distortion of waveform Cool the machine Reduce eddy current losses Strengthen the magnetic field Reduce distortion of waveform ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternators are generally used to run at 1500 rpm 1500 rpm 3000 rpm 5000 rpm 1500 rpm 1500 rpm 3000 rpm 5000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ 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 Large leakage reactance Large armature resistance ANSWER DOWNLOAD EXAMIANS APP
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