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 speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Unchanged Half One fourth Double Unchanged Half One fourth Double ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator depends on Both load current and pf Power factor only Load current only None of the listed here Both load current and pf Power factor only Load current only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator supplying power to a load with a leading power factor always has ______ voltage regulation. Positive Negative Unity Zero Positive Negative Unity Zero ANSWER DOWNLOAD EXAMIANS APP
Alternators Which harmonic will be totally eliminate in an alternator by using a fractional pitch of 4/5 ? Fifth Third Seventh Ninth Fifth Third Seventh Ninth ANSWER DOWNLOAD EXAMIANS APP
Alternators When load on an alternator is increased, the terminal voltage increases if the load pf is ______ Zero Lagging Leading Unity Zero Lagging Leading Unity ANSWER DOWNLOAD EXAMIANS APP
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