DC Motors A dc series motor is best suited for driving None of the listed here Machine tools Shear and punches Cranes and hoists None of the listed here Machine tools Shear and punches Cranes and hoists ANSWER DOWNLOAD EXAMIANS APP
DC Motors The back emf in a dc motor ______ None of the listed here Opposes the applied voltage Aids the applied voltage Aids the armature current None of the listed here Opposes the applied voltage Aids the applied voltage Aids the armature current ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is that which Has a poor torque Has its field winding consisting of thick wire and less turns Has almost constant speed Can be started easily without load Has a poor torque Has its field winding consisting of thick wire and less turns Has almost constant speed Can be started easily without load ANSWER DOWNLOAD EXAMIANS APP
DC Motors In which of the following tests only one motor is required? Swinburne's test Hopkinson's test Brake test Field's test Swinburne's test Hopkinson's test Brake test Field's test ANSWER DOWNLOAD EXAMIANS APP
DC Motors The starting resistance of a DC motor is generally 1000 Ω Infinitely large Low Around 500 Ω 1000 Ω Infinitely large Low Around 500 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Motors The main disadvantage of the Ward-Leonard control method is Low efficiency at high loads All of these High maintenance cost High initial cost Low efficiency at high loads All of these High maintenance cost High initial cost ANSWER DOWNLOAD EXAMIANS APP
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