Alternators The ac armature winding of an alternator is _______ Star-delta connected Always star connected None of the listed here Generally delta connected Star-delta connected Always star connected None of the listed here Generally delta connected ANSWER DOWNLOAD EXAMIANS APP
Alternators When two alternators are running in exact synchronism, the synchronising power will be Zero Sum of the output of two None of the listed here Unity Zero Sum of the output of two None of the listed here Unity ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ Harmonics are introduced Waveform becomes non-sinusoidal None of the listed here Voltage round the coil is reduced Harmonics are introduced Waveform becomes non-sinusoidal None of the listed here Voltage round the coil is reduced ANSWER DOWNLOAD EXAMIANS APP
Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ Field excitation of alternators None of the listed here Phase sequence Driving torques of prime movers Field excitation of alternators None of the listed here Phase sequence Driving torques of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators A lower voltage alternator, for the same power rating, will be More costly Operating at high rpm Larger in size More efficient More costly Operating at high rpm Larger in size More efficient ANSWER DOWNLOAD EXAMIANS APP
Alternators A two pole alternator is running at 1500 rpm. Its angular velocity is ______ 157 rad/s 212 rad/s 118 rad/s 192 rad/s 157 rad/s 212 rad/s 118 rad/s 192 rad/s ANSWER DOWNLOAD EXAMIANS APP