DC Motors The iron loss in dc motor depends on Speed only Flux only None of the listed here Both flux and speed Speed only Flux only None of the listed here Both flux and speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor is preferred for operation in highly explosive atmosphere? Air motor Battery operated motor Series motor Shunt motor Air motor Battery operated motor Series motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it Is cheap Provides fine speed control Is simple in construction None of the listed here Is cheap Provides fine speed control Is simple in construction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating pole winding is connected in Parallel with the armature Series-parallel with the armature None of the listed here Series with the armature Parallel with the armature Series-parallel with the armature None of the listed here Series with the armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the speed of dc motor increases, its armature current Decreases Remains same None of the listed here Increases Decreases Remains same None of the listed here Increases ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. series motor, if the armature current is reduced by 50%, the torque of the motor will be equal to 10% of the previous value 100% of the previous value 50% of the previous value 25% of the previous value 10% of the previous value 100% of the previous value 50% of the previous value 25% of the previous value ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS