DC Motors The variable resistor shunting the field of a dc series motor is called a Potential divider Field divertor Voltage regulator Armature divertor Potential divider Field divertor Voltage regulator Armature divertor ANSWER DOWNLOAD EXAMIANS APP
DC Motors For a D.C. shunt motor if the excitation is changed Torque will change but power will remain constant Torque and power both will change Torque, power and speed, all will change Torque will remain constant Torque will change but power will remain constant Torque and power both will change Torque, power and speed, all will change Torque will remain constant ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is best suited for driving Machine tools Shear and punches None of the listed here Cranes and hoists Machine tools Shear and punches None of the listed here Cranes and hoists ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc compound machine, Either can play dominant role Series field winding plays dominant role Both play equally dominant role Shunt field winding plays dominant role Either can play dominant role Series field winding plays dominant role Both play equally dominant role Shunt field winding plays dominant role ANSWER DOWNLOAD EXAMIANS APP
DC Motors The main disadvantage of the Ward-Leonard control method is Low efficiency at high loads All of these High initial cost High maintenance cost Low efficiency at high loads All of these High initial cost High maintenance cost ANSWER DOWNLOAD EXAMIANS APP
DC Motors These days dc motors are widely used in Machine shops Electric traction Air compressors Pumping sets Machine shops Electric traction Air compressors Pumping sets ANSWER DOWNLOAD EXAMIANS APP
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