Worksheets153 Electrics L4
Total questions: 8
Worksheet time: 4mins
Name
Class
Date
1.
What must a crankshaft do to start a engine?
a)
Rotate
b)
run backward
c)
reciprocate
d)
oscillate
2.
What is item pictured
a)
Dynamo
b)
Alternator
c)
Starter motor
d)
fuel pump
3.
What material are the connections to the commutator?
a)
Carbon
b)
Brushless
c)
Nylon
d)
Copper
4.
A commutator allows the power supply to?
a)
Reverse flow in coil
b)
Flow in in coil in constant direction
c)
pulse flow in coil
d)
insulate coil from magnets
5.
Rotational speed in a motor can be increased by?
a)
Increase magnetic field
b)
reduction in turns of coil
c)
decreasing magnetic field
d)
reducing current
6.
What does a solenoid do?
a)
connects battery to starter
b)
Connects starter to flywheel
c)
Operate the coil
d)
reduce vibrations
7.
What is item pictured?
a)
Relay
b)
Solenoid
c)
Starter switch
d)
Alternator
8.
The carbon brushes have springs to allow them to spin freely?
a)
True
b)
False
100 %
