DC Motors In the dc motor the iron losses occur in Field Brushes Armature Commutator Field Brushes Armature Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors In case the conditions for maximum power for a D.C. motor are established, the efficiency of the motor will be Around 90% Less than 50% 1 Anywhere between 75% and 90% Around 90% Less than 50% 1 Anywhere between 75% and 90% ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following application requires high starting torque? Centrifugal pump Lathe machine Locomotive Air blower Centrifugal pump Lathe machine Locomotive Air blower ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. shunt motor, under the conditions of maximum power, the current in the armature will be Rated full-load current Almost negligible Less than full-load current More than full-load current Rated full-load current Almost negligible Less than full-load current More than full-load current ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a series motor at no load is 1000 rpm Infinity 4000 rpm 2000 rpm 1000 rpm Infinity 4000 rpm 2000 rpm ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Field and armature resistance Speed Armature current Flux Field and armature resistance Speed Armature current Flux ANSWER DOWNLOAD EXAMIANS APP