DC Motors The shaft torque in a dc motor is less than total armature torque because of ______ in the motor. Field losses Cu losses Iron and friction losses None of the listed here Field losses Cu losses Iron and friction losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The plugging gives the Smallest torque braking None of the listed here Highest torque braking Zero torque braking Smallest torque braking None of the listed here Highest torque braking Zero torque braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following tests will be suitable for testing two similar D.C. series motors of large capacity? Brake test Field test Swinburne's test Hopkinson's test Brake test Field test Swinburne's test Hopkinson's test ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Field divertor method Field control method Voltage control method Armature resistance control method Field divertor method Field control method Voltage control method Armature resistance control method 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 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 10% of the previous value ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? Field copper loss None of these Windage loss Armature copper loss Field copper loss None of these Windage loss Armature copper loss ANSWER DOWNLOAD EXAMIANS APP
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