Questions and CORRECT Answers
What is the most important reason for doing a vehicle inspection? - CORRECT
ANSWER - Safety. Safety for yourself and other road user.
What things should you check during a trip? - CORRECT ANSWER - Watch gauges,
mirrors, and use your senses to check for problems...LOOK, LISTEN, AND SMELL.
Name some key steering system parts. - CORRECT ANSWER - steering wheel, tie rod,
steering shaft, hydraulic fluid reservoir, gear box, pitman arm, drag link, steering knuckle,
spindle, steering arm, power steering cylinder
Name some suspension system defects - CORRECT ANSWER - spring hangers that allow
movement of axle from proper position, cracked or broken spring hangers, missing or broken
leaves in any leaf spring, leaking shock absorbers, air suspension systems that are damaged and
or leaking, any parts of the suspension or frame that is cracked or broken
What three kinds of emergency equipment must you have? - CORRECT ANSWER - fire
extinguisher, 3 reflective triangles, spare fuses
What is the minimum tread depth for front tires? For other tires? - CORRECT ANSWER -
You need at least 4/32-inch tread depth in every major groove on front tires. You need 2/32 inch
on other tires. No fabric should show through the tread or sidewall.
Name some things you should check on the front of your vehicle during the walk around
inspection? - CORRECT ANSWER - Condition of front axle, Condition of steering
system, Condition of windshield, Lights and reflectors.
What should wheel bearing seals be checked for? - CORRECT ANSWER - leaks
How many red reflective triangles should you carry? - CORRECT ANSWER - three
, How do you test hydraulic brakes for leaks? - CORRECT ANSWER - Pump the brake
pedal three times, then apply firm pressure to the pedal and hold for five seconds. The pedal
should not move.
Why put the starter switch key in your pocket during the pre-trip inspection? - CORRECT
ANSWER - to prevent someone from moving the truck
Why should you back towards the driver's side? - CORRECT ANSWER - So you can see
better. You can watch the rear of your vehicle by looking out the side window.
If stopped on a hill, how can you start moving without rolling back? - CORRECT
ANSWER - Partly engage the clutch before you take your right foot off the brake.
When backing, why is it important to use a helper? - CORRECT ANSWER - There are
blind spots you cant see!
What's the most important hand signal that you can the helper should agree on? - CORRECT
ANSWER - Stop
What are the two special conditions where you should downshift? - CORRECT
ANSWER - before starting down a hill, before entering a curve
When should you downshift automatic transmissions? - CORRECT ANSWER - when
going down grades
Retarders keep you from skidding when the road is slippery. True or False? - CORRECT
ANSWER - FALSE. When your drive wheels have poor traction, the retarder may actually
CAUSE them to skid and should be turned off whenever the road is wet, icy, or snow covered