CDL PERMIT COMPLETE EXAM WITH
COMPLETE SOLUTIONS.
What is the most important reason for doing a vehicle inspection? - CORRECT ANSWER Safety, For
yourself and for others on the road.
What to check for during a trip? - CORRECT ANSWER Guages for signs of trouble, use your senses to
check for problems (look, listen, smell, feel) Check critical s when you stop (tires, wheels, rims, brakes,
lights and reflectors, brake and electrical connections to a trailer, trailer coupling devices, and cargo
securement devices.
Name some key steering parts - CORRECT ANSWER steering wheel, steering arms, steering wheel shaft,
tie rod, spindle, steering ring knuckle, drag link, pitman arm, steering gear box.
Suspension system defects? - CORRECT ANSWER Spring hangers that allow movement of axle, cracked
or broken spring hangers, missing or broken leaves in any spring 1/4 or more missing then vehicle is out
of service, broken leaves in a multi leaf spring, leaking shock absorbers, torque rod or arm, u bolts,
spring hangers, or other axle positioning parts cracked, damaged or mising. air suspension system
damaged or leaking, loose, cracked, broken or missing frame
What are 3 kinds of emergency equipment you must have? - CORRECT ANSWER Fire extinguisher, spare
electrical fuses, warning devices (3 reflective triangles)
Minimum thread depth for front tires? - CORRECT ANSWER 4/32"
Minimum thread depth for other tires? - CORRECT ANSWER 2/32"
What color should parking, clearance, and identification lights be at the front of a vehicle? - CORRECT
ANSWER AMBER
What color should reflectors be at the front of the vehicle? - CORRECT ANSWER AMBER
, What color should turn signals be at the front of a vehicle? - CORRECT ANSWER AMBER or WHITE
What color should clearance and identification lights be at the rear of a vehicle? - CORRECT ANSWER
RED
what color should reflectors be at the rear of a vehicle? - CORRECT ANSWER RED
What color should taillights be at the rear of a vehicle? - CORRECT ANSWER RED
What color should turn signals be at the rear of a vehicle? - CORRECT ANSWER RED, YELLOW, or AMBER
Name some things to check on the front of a vehicle during a walkaround inspection? - CORRECT
ANSWER condition of front axle, condition of steering system, condition of windshield(check for damage
and clean if dirty) check lights and reflectors
What should wheel bearing seals be checked for? - CORRECT ANSWER that they are NOT leaking.
How many red reflective triangles should you carry? - CORRECT ANSWER 3
How do you test hydralic brakes for leaks - CORRECT ANSWER pump the brake pedal 3 times, apply firm
pressure for 5 seconds, the pedal should not move.
can you bring the vehicle inspection memory aid with you to a test? - CORRECT ANSWER some states
allow it
why put the starter key in your pocket during an inspection trip? - CORRECT ANSWER so no one can
move the vehicle if you are under it.
Why should you back toward the drivers side? - CORRECT ANSWER so you can see better, backing
towarde the right side is dangerous. if you back toward the drivers side you can look out your window to
watch the rear of the vehicle.
