DC Motors Which of the following motor has the poorest speed regulation? Differentially compound motor Cummulative compound motor Series motor Shunt motor Differentially compound motor Cummulative compound motor Series motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Carbon brushes are preferable to copper brushes because _____ They reduce sparking They have lower resistance They have longer life They reduce armature reaction They reduce sparking They have lower resistance They have longer life They reduce armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Motors The starting resistance of a DC motor is generally Infinitely large 1000 Ω Low Around 500 Ω Infinitely large 1000 Ω Low Around 500 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Motors The compensating winding is connected in None of the listed here Parallel with armature Series-parallel with armature Series with armature None of the listed here Parallel with armature Series-parallel with armature Series with armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is to be selected for conveyors, which motor would be preferred? Series motor Shunt motor Differentially compound motor Cummulative compound motor Series motor Shunt motor Differentially compound motor Cummulative compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The shaft torque in a dc motor is less than total armature torque because of ______ in the motor. Field losses Cu losses None of the listed here Iron and friction losses Field losses Cu losses None of the listed here Iron and friction losses ANSWER DOWNLOAD EXAMIANS APP
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