Alternators Alternators, now a days, are designed to have poor regulation because It reduces the construction cost We employ automatic voltage regulators It limits the value of short circuit current None of the listed here It reduces the construction cost We employ automatic voltage regulators It limits the value of short circuit current None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The number of poles in turbo alternators is usually 2 4 12 50 2 4 12 50 ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ Output kW will change Pf becomes more lagging Pf becomes more leading None of the listed here Output kW will change Pf becomes more lagging Pf becomes more leading None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 12 4 2 8 12 4 2 8 ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator coupled to which primemover will usually have the highest rotating speed? Reciprocating diesel engine Francis turbine Steam engine Steam turbine Reciprocating diesel engine Francis turbine Steam engine Steam turbine ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Reduce distortion of waveform Strengthen the magnetic field Cool the machine Reduce eddy current losses Reduce distortion of waveform Strengthen the magnetic field Cool the machine Reduce eddy current losses ANSWER DOWNLOAD EXAMIANS APP
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