CDL Section 2.1 questions / Q-Bank / Complete
Accurate Quizzes with Verified Answers / 2025.
What is the most important reason for doing a vehicle inspection? -
(ANSWER)Safety
What things should you check during a trip? - (ANSWER)gauges, senses, critical
items when you stop
Name some key steering system parts. - (ANSWER)steering wheel, tie rod,
steering arms, steering wheel shaft, gear box, pitman arm, drag link, spindle,
steering rod knuckle
Name some suspension system defects. - (ANSWER)broken leaf springs, loose
spring shackle, leaking shock absorber
What three kinds of emergency equipment must you have? - (ANSWER)fire
extinguisher, fuses, triangles
What is the minimum tread depth for front tires? - (ANSWER)4/32
What is the minimum tread depth for tires other than the front ones? -
(ANSWER)2/32
Name some things you should check on the front of your vehicle during the walk-
around inspection. - (ANSWER)Condition of front axle, steering system, and
, windshield; lights and reflectors; and right front turn signal light clean, operating,
and amber or white
What should wheel bearing seals be checked for? - (ANSWER)not leaking
How many red reflective triangle should you carry? - (ANSWER)3
How do you test hydraulic brakes for leaks? - (ANSWER)Pump the brake pedal
three times. Firmly hold pedal for 5 seconds. It should not move.
Can you bring the "vehicle inspection memory aid" with you to the test? -
(ANSWER)No. You either know it or you don't.
Why put the starter switch key in your pocket during the pre-trip inspection? -
(ANSWER)to prevent someone from moving the truck while you are in it
What are the seven steps? - (ANSWER)1. Vechicle Overview
2 Check Engine Compartment
3 Start Engine and Inspect Inside Cab
4 Turn Off Engine and Check Lights
5 Do Walk around Inspection
6 Check Signal Lights
7 Start the Engine and Check
Accurate Quizzes with Verified Answers / 2025.
What is the most important reason for doing a vehicle inspection? -
(ANSWER)Safety
What things should you check during a trip? - (ANSWER)gauges, senses, critical
items when you stop
Name some key steering system parts. - (ANSWER)steering wheel, tie rod,
steering arms, steering wheel shaft, gear box, pitman arm, drag link, spindle,
steering rod knuckle
Name some suspension system defects. - (ANSWER)broken leaf springs, loose
spring shackle, leaking shock absorber
What three kinds of emergency equipment must you have? - (ANSWER)fire
extinguisher, fuses, triangles
What is the minimum tread depth for front tires? - (ANSWER)4/32
What is the minimum tread depth for tires other than the front ones? -
(ANSWER)2/32
Name some things you should check on the front of your vehicle during the walk-
around inspection. - (ANSWER)Condition of front axle, steering system, and
, windshield; lights and reflectors; and right front turn signal light clean, operating,
and amber or white
What should wheel bearing seals be checked for? - (ANSWER)not leaking
How many red reflective triangle should you carry? - (ANSWER)3
How do you test hydraulic brakes for leaks? - (ANSWER)Pump the brake pedal
three times. Firmly hold pedal for 5 seconds. It should not move.
Can you bring the "vehicle inspection memory aid" with you to the test? -
(ANSWER)No. You either know it or you don't.
Why put the starter switch key in your pocket during the pre-trip inspection? -
(ANSWER)to prevent someone from moving the truck while you are in it
What are the seven steps? - (ANSWER)1. Vechicle Overview
2 Check Engine Compartment
3 Start Engine and Inspect Inside Cab
4 Turn Off Engine and Check Lights
5 Do Walk around Inspection
6 Check Signal Lights
7 Start the Engine and Check
