Electrical Machines In single phase rotary converter the number of slip rings will be three. six. four. two. three. six. four. two. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum possible speed at which an alternator can be driven to generate 50 Hz and 4000 V is 3000 rpm. 3600 rpm. 4000 rpm. 1500 rpm. 3000 rpm. 3600 rpm. 4000 rpm. 1500 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines As compared to an induction motor, the air gap in a DC motor is more. less than 50%. same. between 50% and 90%. more. less than 50%. same. between 50% and 90%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines There are two 2-pole DC machines. Main field axis of machine A is horizontal and that of B is vertical. It is preferable to purchase machine A none of these machine B any of the two machines machine A none of these machine B any of the two machines ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutators in DC machines have a role of which converts high voltage DC to low voltage DC. none of these. AC to DC. Both AC to DC and DC to AC. high voltage DC to low voltage DC. none of these. AC to DC. Both AC to DC and DC to AC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating windings is placed in which part of a D.C motor? None of these On yoke in the inter pole gap. On yoke in the pole faces. On armature. None of these On yoke in the inter pole gap. On yoke in the pole faces. On armature. ANSWER DOWNLOAD EXAMIANS APP