Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Unchanged One fourth Double Half Unchanged One fourth Double Half ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. Greater than None of the listed here The same as Smaller than Greater than None of the listed here The same as Smaller than ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Large armature resistance Complex effects of armature reaction None of the listed here Large leakage reactance Large armature resistance Complex effects of armature reaction None of the listed here Large leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Alternators The field winding of an alternator is _____ excited. None of the listed here DC Both DC and AC AC None of the listed here DC Both DC and AC AC ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage drop in an alternator when under load is due to ______ Armature resistance Armature reactance Armatute reaction All of the listed here Armature resistance Armature reactance Armatute reaction All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Iron and friction losses of an alternator can be measured by a Dc motor None of the listed here Transformer Rectifier Dc motor None of the listed here Transformer Rectifier ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS