DC Motors A compensating winding is an auxiliary winding embedded in slots in Partly in pole faces, partly in armature None of the listed here The armature The pole faces of main poles Partly in pole faces, partly in armature None of the listed here The armature The pole faces of main poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors For constant torque drive which speed control method is preferred? Mechanical loading system Armature voltage control Shunt armature control Field control Mechanical loading system Armature voltage control Shunt armature control Field control ANSWER DOWNLOAD EXAMIANS APP
DC Motors The greatest percentage of power loss in a dc motor is due to Core loss Windage loss Copper loss Friction loss Core loss Windage loss Copper loss Friction loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Armature winding Slip rings Field winding Commutator Armature winding Slip rings Field winding Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors In which of the following tests only one motor is required? Brake test Hopkinson's test Field's test Swinburne's test Brake test Hopkinson's test Field's test Swinburne's test ANSWER DOWNLOAD EXAMIANS APP
DC Motors The rheostatic speed control method is very Unsuitable for rapidly changing loads Efficient Suitable for getting speeds above the normal Economical Unsuitable for rapidly changing loads Efficient Suitable for getting speeds above the normal Economical ANSWER DOWNLOAD EXAMIANS APP