Electrical Machines The dc motor which can provide zero speed regulation at full load without any controller, is shunt. cumulative compound. series. differential compound. shunt. cumulative compound. series. differential compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If dimension of all the parts of a synchorous generator and the number of field and armature turns are double, then generated voltage will change by a factor of 1. 2. 8. 4. 1. 2. 8. 4. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous reactance( Xs) is the reactance due to armature reaction of the machine reactance either due to armature reaction or leakage flux combined reactance due to armature reaction and leakage flux reactance due to leakage flux reactance due to armature reaction of the machine reactance either due to armature reaction or leakage flux combined reactance due to armature reaction and leakage flux reactance due to leakage flux ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator on no-load, the air gap flux distribution in space is triangular. pulsating. flat topped. sinusoidal. triangular. pulsating. flat topped. sinusoidal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The overall power factor of an on load transformer is always lagging. is always unity. is always leading. depends on the power factor of the load. is always lagging. is always unity. is always leading. depends on the power factor of the load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer action requires a constant magnetic flux. alternating electric flux. alternating magnetic lux. increasing magnetic flux. constant magnetic flux. alternating electric flux. alternating magnetic lux. increasing magnetic flux. ANSWER DOWNLOAD EXAMIANS APP