DC Motors By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor? Shaft Commutator Frame Stator Shaft Commutator Frame Stator ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Become zero Increase Decrease Remains same Become zero Increase Decrease Remains same ANSWER DOWNLOAD EXAMIANS APP
DC Motors For constant torque drive which speed control method is preferred? Shunt armature control Mechanical loading system Field control Armature voltage control Shunt armature control Mechanical loading system Field control Armature voltage control ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor should be used for centrifugal pumps? Shunt motor Series motor Either series or shunt None of the listed here Shunt motor Series motor Either series or shunt None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it Provides fine speed control Is cheap None of the listed here Is simple in construction Provides fine speed control Is cheap None of the listed here Is simple in construction ANSWER DOWNLOAD EXAMIANS APP
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