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 speed of a _____ motor is practically constant. Differentially compounded Series Cumulatively compounded Shunt Differentially compounded Series Cumulatively compounded Shunt ANSWER DOWNLOAD EXAMIANS APP
DC Motors During rheostat braking of dc series motor None of the listed here Motor is reversed in direction Motor is run at reduced speed Motor is run as a generator None of the listed here Motor is reversed in direction Motor is run at reduced speed Motor is run as a generator ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor has the poorest speed control? Cummulative compounded motor Shunt motor Series motor Differentially compounded motor Cummulative compounded motor Shunt motor Series motor Differentially compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc compound machine, Shunt field winding plays dominant role Either can play dominant role Both play equally dominant role Series field winding plays dominant role Shunt field winding plays dominant role Either can play dominant role Both play equally dominant role Series field winding plays dominant role ANSWER DOWNLOAD EXAMIANS APP
DC Motors The torque developed by a dc motor is directly proportional to Flux per pole × armature current None of the listed here Armature resistance × applied voltage Armature resistance × armature current Flux per pole × armature current None of the listed here Armature resistance × applied voltage Armature resistance × armature current ANSWER DOWNLOAD EXAMIANS APP