DC Motors The iron loss in dc motor depends on None of the listed here Both flux and speed Flux only Speed only None of the listed here Both flux and speed Flux only Speed only ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Nothing will happen to motor Motor will come to stop This will make armature to take heavy current, possibly burning it This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Nothing will happen to motor Motor will come to stop This will make armature to take heavy current, possibly burning it 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 Iron and friction losses Cu losses None of the listed here Field losses Iron and friction losses Cu losses None of the listed here 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 ______ motor has the best speed regulation. Differentially compounded Series Shunt Cummulative compounded Differentially compounded Series Shunt Cummulative compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors Armature reaction in dc motor is increased When the field current increases By interpoles When the armature current decreases When the armature current increases When the field current increases By interpoles When the armature current decreases When the armature current increases ANSWER DOWNLOAD EXAMIANS APP
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