DC Motors The main disadvantage of the Ward-Leonard control method is High initial cost High maintenance cost All of these Low efficiency at high loads High initial cost High maintenance cost All of these Low efficiency at high loads ANSWER DOWNLOAD EXAMIANS APP
DC Motors The value of back emf in dc motor is maximum at Full load Half full load No load None of the listed here Full load Half full load No load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors These days dc motors are widely used in Electric traction Air compressors Pumping sets Machine shops Electric traction Air compressors Pumping sets Machine shops ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. shunt motors as load is reduced The speed will increase abruptly The speed will remain almost/constant The speed will reduce The speed will increase in proportion to reduction in load The speed will increase abruptly The speed will remain almost/constant The speed will reduce The speed will increase in proportion to reduction in load ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is best suited for driving Shear and punches Machine tools None of the listed here Cranes and hoists Shear and punches Machine tools None of the listed here Cranes and hoists ANSWER DOWNLOAD EXAMIANS APP
DC Motors The running speed of a dc series motor is basically determined by None of the listed here Field excitation Load Armature reaction None of the listed here Field excitation Load Armature reaction ANSWER DOWNLOAD EXAMIANS APP
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