DC Motors Which of the following motor is preferred for operation in highly explosive atmosphere? Air motor Battery operated motor Shunt motor Series motor Air motor Battery operated motor Shunt motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it Is simple in construction Provides fine speed control Is cheap None of the listed here Is simple in construction Provides fine speed control Is cheap None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Become zero Increase Decrease Remains same Become zero Increase Decrease Remains same ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following law can be used to determine the direction of rotation of dc motor? Fleming's left hand rule Coloumb's law Faraday's law Lenz's law Fleming's left hand rule Coloumb's law Faraday's law Lenz's law ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used To reduce the sparking To increase the generated emf To reduce the generated emf To improve cooling To reduce the sparking To increase the generated emf To reduce the generated emf To improve cooling ANSWER DOWNLOAD EXAMIANS APP
DC Motors The plugging gives the Smallest torque braking Zero torque braking None of the listed here Highest torque braking Smallest torque braking Zero torque braking None of the listed here Highest torque braking ANSWER DOWNLOAD EXAMIANS APP
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