DC Motors A series motor will over speed when The armature circuit is opened. Load is removed The load is increase The field is opened The armature circuit is opened. Load is removed The load is increase The field is opened ANSWER DOWNLOAD EXAMIANS APP
DC Motors The power mentioned on the name plate of an electric motor indicates The power drawn in kVA The output power available at the shaft The power drawn in kW The gross power The power drawn in kVA The output power available at the shaft The power drawn in kW The gross power ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it None of the listed here Is cheap Is simple in construction Provides fine speed control None of the listed here Is cheap Is simple in construction Provides fine speed control ANSWER DOWNLOAD EXAMIANS APP
DC Motors For a D.C. shunt motor if the excitation is changed Torque and power both will change Torque will remain constant Torque will change but power will remain constant Torque, power and speed, all will change Torque and power both will change Torque will remain constant Torque will change but power will remain constant Torque, power and speed, all will change ANSWER DOWNLOAD EXAMIANS APP
DC Motors The value of back emf in dc motor is maximum at Full load No load Half full load None of the listed here Full load No load Half full load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motor has the best speed regulation. Series Differentially compounded Shunt Cummulative compounded Series Differentially compounded Shunt Cummulative compounded ANSWER DOWNLOAD EXAMIANS APP