DC Motors Which of the following losses are significantly reduced by laminating the core of a D.C. generator? Windage losses Copper losses Eddy current losses Hysteresis losses Windage losses Copper losses Eddy current losses Hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it None of the listed here Is simple in construction Is cheap Provides fine speed control None of the listed here Is simple in construction Is cheap Provides fine speed control ANSWER DOWNLOAD EXAMIANS APP
DC Motors The running speed of a dc series motor is basically determined by Field excitation Armature reaction None of the listed here Load Field excitation Armature reaction None of the listed here Load ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Speed Armature current Flux Field and armature resistance Speed Armature current Flux Field and armature resistance ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. machines the residual magnetism is of the order of 10 to 15 percent 20 to 25 percent 2 to 3 percent 50 to 75 percent 10 to 15 percent 20 to 25 percent 2 to 3 percent 50 to 75 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is to be selected for conveyors, which motor would be preferred? Series motor Differentially compound motor Cummulative compound motor Shunt motor Series motor Differentially compound motor Cummulative compound motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP