DC Motors The compensating winding is connected in Series-parallel with armature None of the listed here Parallel with armature Series with armature Series-parallel with armature None of the listed here Parallel with armature Series with armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating winding is basically used in a dc machine To control the speed of machine To improve commutation To reduce armature reaction None of the listed here To control the speed of machine To improve commutation To reduce armature reaction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following losses are significantly reduced by laminating the core of a D.C. generator? Hysteresis losses Eddy current losses Windage losses Copper losses Hysteresis losses Eddy current losses Windage losses Copper losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? Armature copper loss Windage loss Field copper loss None of these Armature copper loss Windage loss Field copper loss None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. generators are normally designed for maximum efficiency around Rated r.p.m. Rated voltage Full load All of these Rated r.p.m. Rated voltage Full load All of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors By flux control method of speed control of a dc shunt motor, we can obtain speeds. Above as well as below the normal speed None of the listed here Above the normal speed only Below the normal speed only Above as well as below the normal speed None of the listed here Above the normal speed only Below the normal speed only ANSWER DOWNLOAD EXAMIANS APP