DC Motors Ward-Leonard control is basically a Armature resistance control method Field divertor method Voltage control method Field control method Armature resistance control method Field divertor method Voltage control method Field control method ANSWER DOWNLOAD EXAMIANS APP
DC Motors The power mentioned on the name plate of an electric motor indicates The gross power The power drawn in kW The output power available at the shaft The power drawn in kVA The gross power The power drawn in kW The output power available at the shaft The power drawn in kVA ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? Armature copper loss Windage loss None of these Field copper loss Armature copper loss Windage loss None of these Field copper loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors The direction of rotation of a D.C. series motor can be changed by Either of (A) and (B) above Interchanging field terminals Interchanging supply terminals None of these Either of (A) and (B) above Interchanging field terminals Interchanging supply terminals None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors The plugging gives the Smallest torque braking Highest torque braking Zero torque braking None of the listed here Smallest torque braking Highest torque braking Zero torque braking None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The back emf in a dc motor ______ Aids the armature current Opposes the applied voltage Aids the applied voltage None of the listed here Aids the armature current Opposes the applied voltage Aids the applied voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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