Uploaded by Gud Man

electrical test

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Name_________________________________
Part I: choice
1. which one of the following is a component of the charging system
A. battery
C. alternator
B. fuse box
D. all
2. _______ is a rotating magnetic field inside the alternator.
A. stator
C. rotor
B. solenoid
D. diode
3. Slip rings and brushes.
a) mount on the rotor shaft
b) conduct current to the rotor field coils
c) are insulated from each other and the rotor shaft
d) all of the above
4. The alternating current produced by the AC generator is rectified into DC, or direct
current, through the use of.
a) transistors
b) electromagnetic relays
c) diodes
d) capacitors
5. The purpose of the regulator in the charging system of a vehicle is to control:
a) engine speed
b) fuel consumption
c) generator input
d) generator output
6. The strength of the magnetic poles in an electromagnet decreases with an
increase in the number of turns of wire and the current flowing through them
A. true
B. false
7. All of these are part of a starter motor except:
a) An armature
c) Field coils
b) A commutator
d) A regulator
8. A solenoid uses two coils. Their windings are called:
a) Push-in and pull-out
c) Push-in and hold-out
b) Pull-in and push-out
d) Pull-in and hold-in
9. The two circuits of the ignition system are:
a) The “Start” and “Run” circuits
b) The point circuit and the coil circuit
c) The primary circuit and the secondary circuit
d) The insulated circuit and the ground circuit
10. The ignition component that steps up voltage is the:
a) capacitor
c) coil
b) condenser
d) king lead
Part II: short answer
1. list and explain the components of the charging system
2. list and explain the components of the starting system
3. list and explain the components of the ignition system
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