Electrical Machines In dc machines, the field-flux axis and armature-mmf axis are respectively along direct axis and interpolar axis quadrature axis and interpolar axis direct axis and indirect axis quadrature axis and direct axis direct axis and interpolar axis quadrature axis and interpolar axis direct axis and indirect axis quadrature axis and direct axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breather is provided in a transformer to absorb moisture of air during breathing. provide cold air in transformer. filter the transformer oil. absorb moisture from air entering in transformer. absorb moisture of air during breathing. provide cold air in transformer. filter the transformer oil. absorb moisture from air entering in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shapers and slotters which motor are preferred? Double cage motor. Synchronous motor. Squirrel cage IM. Slip ring IM. Double cage motor. Synchronous motor. Squirrel cage IM. Slip ring IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 0. 2000. 500. 1000. 0. 2000. 500. 1000. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the highest possible speed of turbo alternators? 3000 rpm 1500 rpm 1000 rpm 4000 rpm 3000 rpm 1500 rpm 1000 rpm 4000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The brushes of a DC machine should be placed on the armature in the polar axis. commutator in the inter polar axis. commutator in the polar axis. armature midway between poles. armature in the polar axis. commutator in the inter polar axis. commutator in the polar axis. armature midway between poles. ANSWER DOWNLOAD EXAMIANS APP