DC Motors In a dc motor if the back emf is absent Motor will run at very high speed Motor will run at very slow speed Motor will not run at all Motor will burn Motor will run at very high speed Motor will run at very slow speed Motor will not run at all Motor will burn ANSWER DOWNLOAD EXAMIANS APP
DC Motors The shaft torque in a dc motor is less than total armature torque because of ______ in the motor. Field losses None of the listed here Iron and friction losses Cu losses Field losses None of the listed here Iron and friction losses Cu losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motor has the best speed regulation. Cummulative compounded Series Differentially compounded Shunt Cummulative compounded Series Differentially compounded Shunt ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Field divertor Voltage regulator Armature divertor Potential divider Field divertor Voltage regulator Armature divertor Potential divider ANSWER DOWNLOAD EXAMIANS APP
DC Motors The iron loss in dc motor depends on Flux only Speed only None of the listed here Both flux and speed Flux only Speed only None of the listed here Both flux and speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? None of these Armature copper loss Windage loss Field copper loss None of these Armature copper loss Windage loss Field copper loss ANSWER DOWNLOAD EXAMIANS APP
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