Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Large armature resistance Complex effects of armature reaction Large leakage reactance None of the listed here Large armature resistance Complex effects of armature reaction Large leakage reactance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The magnitude of emf generated by an alternators depends on ______ Flux per pole Number of poles Rotor speed All of the listed here Flux per pole Number of poles Rotor speed All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators A two pole alternator is running at 1500 rpm. Its angular velocity is ______ 212 rad/s 192 rad/s 157 rad/s 118 rad/s 212 rad/s 192 rad/s 157 rad/s 118 rad/s ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators, now a days, are designed to have poor regulation because It reduces the construction cost We employ automatic voltage regulators None of the listed here It limits the value of short circuit current It reduces the construction cost We employ automatic voltage regulators None of the listed here It limits the value of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is due to ______ Armature reaction Leakage flux None of the listed here Dc field excitation Armature reaction Leakage flux None of the listed here Dc field excitation ANSWER DOWNLOAD EXAMIANS APP
Alternators When the speed of an alternator is reduced by half, the generated emf will become Half Four times One-fourth Twice Half Four times One-fourth Twice ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS