Alternators In an alternator, for a coil having a span of 2/3 of pole pitch, the coil span factor will be 0.707 0.2 0.866 0.6 0.707 0.2 0.866 0.6 ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators, now a days, are designed to have poor regulation because We employ automatic voltage regulators It limits the value of short circuit current It reduces the construction cost None of the listed here We employ automatic voltage regulators It limits the value of short circuit current It reduces the construction cost None of the listed here 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 leading None of the listed here Pf becomes more lagging Output kW will change Pf becomes more leading None of the listed here Pf becomes more lagging ANSWER DOWNLOAD EXAMIANS APP
Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ Field excitation of alternators Phase sequence None of the listed here Driving torques of prime movers Field excitation of alternators Phase sequence None of the listed here Driving torques of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators are usually design to generate Definite currents Definite power factor Definite frequencies Variable frequncies Definite currents Definite power factor Definite frequencies Variable frequncies ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of a salient pole machine is nearly 1000 rpm 500 rpm 3000 rpm 1500 rpm 1000 rpm 500 rpm 3000 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP