DC Motors A dc motor is still used in industrial applications because it Provides fine speed control Is cheap None of the listed here Is simple in construction Provides fine speed control Is cheap None of the listed here Is simple in construction ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. shunt motors as load is reduced The speed will increase abruptly The speed will reduce The speed will increase in proportion to reduction in load The speed will remain almost/constant The speed will increase abruptly The speed will reduce The speed will increase in proportion to reduction in load The speed will remain almost/constant ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed in a dc motor is maximum when back emf is equal to _____ the applied voltage. None of the listed here Twice One-third Half None of the listed here Twice One-third Half ANSWER DOWNLOAD EXAMIANS APP
DC Motors The back emf in a dc motor ______ Opposes the applied voltage Aids the armature current None of the listed here Aids the applied voltage Opposes the applied voltage Aids the armature current None of the listed here Aids the applied voltage ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor is generally preferred for cranes and hoists? Differentially compounded motor Series motor Shunt motor Cumulatively compounded motor Differentially compounded motor Series motor Shunt motor Cumulatively compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following methods gives the greatest braking torque? None of the listed here Regenerative braking Plugging Rheostatic braking None of the listed here Regenerative braking Plugging Rheostatic braking ANSWER DOWNLOAD EXAMIANS APP
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