Electrical Machines If the air gap of IM is increased, ____________ will increase. speed. air gap flux. power factor. magnetizing current. speed. air gap flux. power factor. magnetizing current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Drop in speed from no load to full load is very high in Shunt motor with interpoles. Series motor without interpoles. Cummulative compound motor with interpoles. Series motor with interpoles. Shunt motor with interpoles. Series motor without interpoles. Cummulative compound motor with interpoles. Series motor with interpoles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In single phase rotary converter the number of slip rings will be three. six. two. four. three. six. two. four. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The demagnetising component of armature reaction in a DC generator results in sparking trouble. reduces generator emf. reduces inter poles flux density. increases armature speed. results in sparking trouble. reduces generator emf. reduces inter poles flux density. increases armature speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor must started on no load because it would Fail to start without load. Draw more current without producing sufficient torque. Not develop starting torque. Run at dangerously high speed. Fail to start without load. Draw more current without producing sufficient torque. Not develop starting torque. Run at dangerously high speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If in DC Shunt Motor the flux is reduced suddenly to zero, then the speed of motor will be reduced. the motor will come to stop. the armature current will reduce. the motor will attain dangerously high speed. the speed of motor will be reduced. the motor will come to stop. the armature current will reduce. the motor will attain dangerously high speed. ANSWER DOWNLOAD EXAMIANS APP