DC Motors The running speed of a dc series motor is basically determined by Load None of the listed here Field excitation Armature reaction Load None of the listed here Field excitation Armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Motors The main disadvantage of the Ward-Leonard control method is High maintenance cost All of these High initial cost Low efficiency at high loads High maintenance cost All of these High initial cost Low efficiency at high loads ANSWER DOWNLOAD EXAMIANS APP
DC Motors These days dc motors are widely used in Pumping sets Machine shops Air compressors Electric traction Pumping sets Machine shops Air compressors Electric traction ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following losses are significantly reduced by laminating the core of a D.C. generator? Eddy current losses Hysteresis losses Windage losses Copper losses Eddy current losses Hysteresis losses Windage losses Copper losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Field divertor method Field control method Voltage control method Armature resistance control method Field divertor method Field control method Voltage control method Armature resistance control method ANSWER DOWNLOAD EXAMIANS APP
DC Motors The compensating winding is connected in Series with armature None of the listed here Series-parallel with armature Parallel with armature Series with armature None of the listed here Series-parallel with armature Parallel with armature ANSWER DOWNLOAD EXAMIANS APP