Block 2 - 4b - Motors

Motors are devices that convert _____ energy into  _____ energy.

• electrical; mechanical
• mechanical; electrical
• chemical; potential
• mechanical; kinetic

The amount of torque depends on the...

• length of the coil.

• speed of rotation of the coil.

• direction of the magnetic field.

• strength of the magnetic field.

The AC motor consists of two main parts:

• the rotor and the stator.

• fan blades and wiring cover

• cylinder and piston

• center differential and cardan shaft

____ is the stationary part of the motor.

• STATOR.

• ROTOR

• AC MOTOR

• CYLINDER

_____________________ a device used to convert electric energy into mechanical energy.

• Motor

• Direct Current

• Alternating Current

• Compass

WHAT IS TORQUE?

• Force that produce rotation.

• KINETIC FORCE

• MAGNETIC FORCE

What are the major assemblies of DC motors?

• Stator, Rotor, and Brushes

• Commutator, coils, stator

• Springs, core, coils

• Stator, brushes, springs

Motors may be rated by voltage, RPM, horsepower, or

application.

• True

• False

What is the most common type of rotor used today?

Speed and torque are...

• Inversely proportional

• Directly proportional