Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Double Half One fourth Unchanged Double Half One fourth Unchanged ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is due to ______ None of the listed here Leakage flux Dc field excitation Armature reaction None of the listed here Leakage flux Dc field excitation Armature reaction ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the frequency of voltage generated depend on Number of poles only Rotative speed only Both rotative speed and number of poles None of the listed here Number of poles only Rotative speed only Both rotative speed and number of poles None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator coupled to which primemover will usually have the highest rotating speed? Reciprocating diesel engine Steam turbine Francis turbine Steam engine Reciprocating diesel engine Steam turbine Francis turbine Steam engine ANSWER DOWNLOAD EXAMIANS APP
Alternators A two pole alternator is running at 1500 rpm. Its angular velocity is ______ 157 rad/s 212 rad/s 192 rad/s 118 rad/s 157 rad/s 212 rad/s 192 rad/s 118 rad/s ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. The same as Smaller than Greater than None of the listed here The same as Smaller than Greater than None of the listed here ANSWER DOWNLOAD EXAMIANS APP