DC Motors Which of the following methods gives the greatest braking torque? None of the listed here Plugging Regenerative braking Rheostatic braking None of the listed here Plugging Regenerative braking Rheostatic braking 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 25% of the previous value 100% of the previous value 50% of the previous value 10% of the previous value 25% of the previous value 100% of the previous value 50% of the previous value ANSWER DOWNLOAD EXAMIANS APP
DC Motors The plugging gives the Smallest torque braking Zero torque braking Highest torque braking None of the listed here Smallest torque braking Zero torque braking Highest torque braking None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Potential divider Field divertor Armature divertor Voltage regulator Potential divider Field divertor Armature divertor Voltage regulator ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating winding is basically used in a dc machine To reduce armature reaction To control the speed of machine None of the listed here To improve commutation To reduce armature reaction To control the speed of machine None of the listed here To improve commutation ANSWER DOWNLOAD EXAMIANS APP
DC Motors The value of back emf in dc motor is maximum at No load Half full load Full load None of the listed here No load Half full load Full load None of the listed here ANSWER DOWNLOAD EXAMIANS APP