DC Motors The armature voltage control of dc motor provides Constant torque drive Constant voltage drive Constant current drive None of the listed here Constant torque drive Constant voltage drive Constant current drive None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed by a shunt motor will be maximum when the ratio of back emf to applied voltage is 1.0 4.0 2.0 0.5 1.0 4.0 2.0 0.5 ANSWER DOWNLOAD EXAMIANS APP
DC Motors The rheostatic speed control method is very Unsuitable for rapidly changing loads Suitable for getting speeds above the normal Economical Efficient Unsuitable for rapidly changing loads Suitable for getting speeds above the normal Economical Efficient ANSWER DOWNLOAD EXAMIANS APP
DC Motors When two dc series motor are commected in parallel, the resultant speed is Loss than the normal speed More than the normal speed Normal speed Zero Loss than the normal speed More than the normal speed Normal speed Zero ANSWER DOWNLOAD EXAMIANS APP
DC Motors In the dc motor the iron losses occur in Commutator Brushes Field Armature Commutator Brushes Field Armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors These days dc motors are widely used in Pumping sets Air compressors Machine shops Electric traction Pumping sets Air compressors Machine shops Electric traction ANSWER DOWNLOAD EXAMIANS APP
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