AUTO PHYSICAL DAMAGE BASICS 65
QUESTIONS AND ANSWERS
Actuator - answer Part of a computer system that makes physical adjustments to change how a
system operates based on instructions it receives from the computer.
Air Bag System - answer Safety system designed to prevent or reduce bodily injuries arising from
auto accidents. When the car is involved in a collision of sufficient force, an inflatable cushion
emerges within the passenger compartment that cushions the occupant's impact against the
interior of the vehicle.
Air Cleaner - answer Device that provides the filtered air used in the internal combustion
process.
Air Conditioning System - answer System that transfers heat and humidity from the passenger
compartment to the outside air.
Alternator - answer Component of the car's charging system that produces alternating current
(AC) and then converts it to direct current (DC) so it can be used by the automobile.
Ammeter - answer Instrument located inside the passenger compartment that monitors the
functioning of the charging system.
Anti-Lock Brake System - answer Type of brake system that prevents the wheels from locking up
during heavy braking.
Apron Assembly - answer Inner part of the fender.
Automatic Seat Belt System - answer System where the seat belt and, in some cases, the lap
belt wrap around the occupant automatically, eliminating the need to manually fasten the belt.
, Ball Joint Suspension - answer Type of front suspension system that uses ball joints on each side
of the suspension to allow the wheels to move up and down independently.
Battery - answer Component of the car's electrical system that stores electricity produced by
the alternator.
Body - answer Structural panels that run from the front end to the rear end of the vehicle;
includes the cowl, pillars, floor pan, rocker panels, quarter panels, roof, rear body, and doors.
Brake, Disc - answer Type of brake that uses a disc and caliper to stop the wheels from turning.
Brake, Drum - answer Type of brake that has a drum that revolves around the brake shoes and
wheel cylinders.
Brake, Parking - answer Type of brake that ensures that the vehicle cannot move while it is
parked; uses cables and an equalizer to draw the brake shoes against the rear brake.
Brake System - answer System that allows the driver to stop the vehicle.
Bumper - answer Component found on the front and rear of an auto that protects the auto
form collision damage by absorbing some of the impact of the collision.
Cams - answer Egg-shaped pieces of metal that are attached to the camshaft. Each cam is linked
to a valve.
Camshaft - answer Component that transforms the rotary motion of the crankshaft into up-and-
down motion; in addition, the up-and-down motion of the camshaft opens and closes the intake
and exhaust valves.
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