DC Motors During rheostat braking of dc series motor Motor is run at reduced speed Motor is reversed in direction Motor is run as a generator None of the listed here Motor is run at reduced speed Motor is reversed in direction Motor is run as a generator None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors No load speed of which of the following motor will be highest? Cummulative compounded motor Shunt motor Differentially compounded motor Series motor Cummulative compounded motor Shunt motor Differentially compounded motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive sparking at brushes may be caused due to Dirt on the commutator Loose coupling Worn bearings Misaligment of machine Dirt on the commutator Loose coupling Worn bearings Misaligment of machine ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a series motor at no load is Infinity 1000 rpm 4000 rpm 2000 rpm Infinity 1000 rpm 4000 rpm 2000 rpm ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature voltage control of dc motor provides Constant voltage drive Constant current drive Constant torque drive None of the listed here Constant voltage drive Constant current drive Constant torque drive None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Potential divider Field divertor Armature divertor Voltage regulator Potential divider Field divertor Armature divertor Voltage regulator ANSWER DOWNLOAD EXAMIANS APP
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