Проверочная работа "The Electric Motor"

Student’s name
THE ELECTRIC MOTOR
Task 1. Name all the main parts of the electric motor.
Task 2. Match words with their definitions.
1
armature
a
the electrically conducting circuit, usually a number of
coils wound on individual poles and connected in
series, that produces the magnetic field in a motor
2
commutator
b
a mechanical component for rotation, usually used to
connect other components that cannot be connected
directly because of distance
3
brush
c
one of the two principal electrical components of an
electric motor
4
drive shaft
d
a machine element that reduces friction between
moving parts
5
bearing
e
a device which conducts current between stationary
wires and moving parts
6
field winding
f
a moving part of a rotary electrical switch in certain
types of electric motors and electrical generators that
periodically reverses the current direction
1- ___ ; 2- ___; 3- ___; 4-___; 5- ___; 6- ___.