Given the type and application of a DC motor, DESCRIBE the operating
characteristics of that motor to include methods of speed variation, advantages of
each type, and torque vs speed characteristics.
Using the right-hand rule for motors, DETERMINE the direction of the magnetic field,
direction of current flow, or force on a conductor.
STATE the function of torque in a direct current motor and how it is developed.
DESCRIBE how Counterelectromotive Force (CEMF) is developed in a DC motor.
DESCRIBE the relationship between field current and magnetic field size in a DC motor.
STATE the function of the CEMF that is developed in a DC motor.
DESCRIBE how the speed of a DC motor is adjusted.
DESCRIBE the relationship between armature current and torque produced in a DC
DESCRIBE the differences in construction between a shunt-wound and a series-wound
DC motor with respect to the relationship between the field and the armature windings.
DESCRIBE the construction of a compounded DC motor.
DESCRIBE the torque-vs-speed characteristics for a shunt-wound and a series-wound DC
EXPLAIN why starting resistors are necessary for large DC motors.
LIST the four nameplate ratings for a DC motor.