Louisiana CDL class B permit practice
Exam Questions & Answers (Grade
A+)
What is the most important reason for doing a vehicle inspection? -
correct answer ✅Safety
What things should you check during a trip? -
correct answer ✅-tires, wheels, rims
-brakes
-lights/reflectors
Name some key steering system parts -
correct answer ✅-tire rod
-steering wheel
-steering shaft
-steering arm
-power steering cylinder
-drag link
-pitman arm
-gear box
-hydraulic fluid reservoir
-spindle
,Louisiana CDL class B permit practice
Exam Questions & Answers (Grade
A+)
-steering knuckle
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
-broken leaves in a multi-leaf spring
-shifted leaves that might hit a tire or other part
What 3 kinds of emergency equipment must you have? -
correct answer ✅-liquid flares
-reflective triangles
-fire extinguisher
What is the minimum tread depth for the front tires? -
correct answer ✅4/32
What is the minimum tread depth for all other tires? -
correct answer ✅2/32
, Louisiana CDL class B permit practice
Exam Questions & Answers (Grade
A+)
Name some things you should check on the front of your vehicle
during the walk-around inspection. -
correct answer ✅-low beams on and working properly, not cracked
-4 ways on and properly working
-condition of reflectors/lights
-condition of wipers
-condition of windshield
- condition of front axle
-condition of steering system
What should bearing seals be checked for? -
correct answer ✅leaks
How many red reflective triangles should you carry? -
correct answer ✅3
How do you test hydraulic brakes for leaks? -
correct answer ✅(With the vehicle stopped):
1. pump the brake pedal 3 times
Exam Questions & Answers (Grade
A+)
What is the most important reason for doing a vehicle inspection? -
correct answer ✅Safety
What things should you check during a trip? -
correct answer ✅-tires, wheels, rims
-brakes
-lights/reflectors
Name some key steering system parts -
correct answer ✅-tire rod
-steering wheel
-steering shaft
-steering arm
-power steering cylinder
-drag link
-pitman arm
-gear box
-hydraulic fluid reservoir
-spindle
,Louisiana CDL class B permit practice
Exam Questions & Answers (Grade
A+)
-steering knuckle
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
-broken leaves in a multi-leaf spring
-shifted leaves that might hit a tire or other part
What 3 kinds of emergency equipment must you have? -
correct answer ✅-liquid flares
-reflective triangles
-fire extinguisher
What is the minimum tread depth for the front tires? -
correct answer ✅4/32
What is the minimum tread depth for all other tires? -
correct answer ✅2/32
, Louisiana CDL class B permit practice
Exam Questions & Answers (Grade
A+)
Name some things you should check on the front of your vehicle
during the walk-around inspection. -
correct answer ✅-low beams on and working properly, not cracked
-4 ways on and properly working
-condition of reflectors/lights
-condition of wipers
-condition of windshield
- condition of front axle
-condition of steering system
What should bearing seals be checked for? -
correct answer ✅leaks
How many red reflective triangles should you carry? -
correct answer ✅3
How do you test hydraulic brakes for leaks? -
correct answer ✅(With the vehicle stopped):
1. pump the brake pedal 3 times
