DC Motors Usually wide and sensitive speed control is desired in case of Elevators Steel rolling mills Centrifugal pumps Colliery winders Elevators Steel rolling mills Centrifugal pumps Colliery winders ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Armature divertor Voltage regulator Potential divider Field divertor Armature divertor Voltage regulator Potential divider Field divertor ANSWER DOWNLOAD EXAMIANS APP
DC Motors During rheostat braking of dc series motor None of the listed here Motor is run at reduced speed Motor is run as a generator Motor is reversed in direction None of the listed here Motor is run at reduced speed Motor is run as a generator Motor is reversed in direction ANSWER DOWNLOAD EXAMIANS APP
DC Motors For constant torque drive which speed control method is preferred? Armature voltage control Shunt armature control Field control Mechanical loading system Armature voltage control Shunt armature control Field control Mechanical loading system ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Shunt motor only Series motor only Compound motor only Both shunt and compound motor Shunt motor only Series motor only Compound motor only Both shunt and compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The power mentioned on the name plate of an electric motor indicates The power drawn in kVA The power drawn in kW The output power available at the shaft The gross power The power drawn in kVA The power drawn in kW The output power available at the shaft The gross power ANSWER DOWNLOAD EXAMIANS APP