DEL 31

Question 1

A device that converts electrical energy into mechanical energy is called a(n) _____.

Answer 1

motor

Question 2

The speed regulation of a DC motor is proportional to the _____.

Answer 2

armature resistance

Question 3

A compound motor has _____ field windings.

Answer 3

series and shunt

Question 4

Small permanent magnet motors that have lightweight rotors are often used as _____.

Answer 4

servomotors

Question 5

When the field winding of a DC motor is connected in parallel with the armature, the motor is called a _____ motor.

Answer 5

shunt

Question 6

Permanent magnet motors have _____ efficiency than conventional field-wound motors.

Answer 6

higher

Question 7

When a motor is connected differential compound, the _____ determines the direction of rotation of the motor at no load or light load.

Answer 7

shunt field

Question 8

The motor that does not contain a wound armature, commutator, or brushes is the _____ motor.

Answer 8

brushless DC

Question 9

The DC motor, known as a “constant speed motor,” is the _____ motor.

Answer 9

shunt