AutoTech 1
What might happen if a cars wheels are not aligned?
Irregular tire wear
Handling problems
Crooked steering wheel
How do you know what weight of motor oil to use?
Read the owners manual.
What does the alternator do?
Provides power and converts energy.
What is the brain of the alternator?
The regulator
What supports the rotor assembly?
Bearings
How do we measure current?
Amps
How do we measure resistance?
Ohms
What is Ohm's law?
V=IR
Name two circuits.
Series
Parallel
What does EPA stand fopr?
Environmental Protection Agency
What are tweo emission sources?
Crank case
Exhaust gases
Name two emission control systems.
Engine design
Fuel/ignition controls
What is a hybrid vehicle?
One that has two power sources to propel it.
What does ATF stand for?
Automatic transmission fluid
What is a modulator?
A valve that senses engine load
Where is the valve body located?
on the bottom of the transmission
What are the benefits of all wheel drive?
Improved traction and vehicle handling
What is the "heart" of the AC system?
Compressor
What are the two types of refrigerants used in automotive applications?
R-12
R-134A
What is the "wheel base"?
The distance between the center of the front and rear wheels.
What is the most common type of gear?
Spur gears
Why is it important to clean your work bay/tools after you have finished a job?
It provides a safe and productive work environment.
What is the purpose of an automotive ignition system?
To supply a spark to the engine for proper ignition of the air fuel mixture in the combustion chamber.
Why do certain spark plugs contain resistors?
To suppress ignition noise generated during sparking.
What do O2 sensors monitor?
How much unburned oxygen is in the exhaust as the exhaust exits the engine.