Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ None of the listed here 500 rpm 1500 rpm 1000 rpm None of the listed here 500 rpm 1500 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The alternators driven by _______ do not have a tendency to hunt. Diesel engines Water turbines Steam turbines None of the listed here Diesel engines Water turbines Steam turbines None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ Driving torques of prime movers Phase sequence None of the listed here Field excitation of alternators Driving torques of prime movers Phase sequence None of the listed here Field excitation of alternators ANSWER DOWNLOAD EXAMIANS APP
Alternators The salient pole construction for field structure of an alternator is generally used for ______ machine. 4-pole None of the listed here 8-pole 2-pole 4-pole None of the listed here 8-pole 2-pole ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.5 lagging 0.866 leading Unity 0.866 lagging 0.5 lagging 0.866 leading Unity 0.866 lagging ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ 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 Large armature resistance ANSWER DOWNLOAD EXAMIANS APP
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