Why should tires be rotated?
To create even tire wear
Name steps 1 and 2 in plugging a tire.
1. Locate leak
2.Mark leak
What is the maximum pressure allowed when seating the tire bead?
40 psi
Engine oil should be Changed every _____________ miles.
3000
Student A says you only need to wear safety glasses when you are the one doing the work in the automotive shop. Student B says everyone in the automotive shop should be wearing safety glasses. Who is correct?
Student B
Tires should be rotated every_____ miles?
6000
Name steps 3 and 4 in plugging a tire.
3. Remove foreign object
4.Ream hole
In the tire size P235/75R15 what is the rim size?
15
A _________ is used to repair internal threads.
Tap
Carbon monoxide is odorless, colorless, and tasteless. TRUE/FALSE
TRUE
You should balance tires every _____________ miles.
12,000
Name Steps 5 and 6 in plugging a tire.
5.Put plug in plugging tool
6.Dip plug in glue
In the tire size P235/75R15 what is the aspect ratio?
75
On a battery “CCA” is ___________________________________
Cold Cranking Amps
An asymmetrical hoist has 4 arms the same length. True or False?
False
List the three inputs a tire balancer needs?
Rim diameter, Rim width, Back spacing from balancer.
Name Steps 7 and 8 in plugging a tire.
7.Install plug
8.Trim plug
In the tire size P235/75R15 what is the section width?
235
In a correctly operating cooling system, the __________ controls system pressure.
Radiator cap
When setting a hoist How far off the ground should a vehicle be checked for stability?
Six inches
Draw a diagram to show how to rotate tires on a RWD car. Be sure to show the front of the vehicle.

What is the minimum tread depth of legal tires?
2/32”
What part of the tire size is the most important to the safety of a tire machine operator?
Rim diameter
What is a method of thread repair, that restores a striped thread to it’s original size?
Helicoil
Before unlocking the hoist safeties, to lower a vehicle, what must be done?
Clear yellow box