Mississippi CDL General Knowledge
Exam| 219 Questions| With Complete
Solutions/Newest Update
What is the most important reason for doing a vehicle inspection? - ANSWER✔✔-
Safety for yourself and other road users.
What things should you check during a trip? - ANSWER✔✔-Watch Gauges - Use senses
to check for problems
When stopped check critical items: - ANSWER✔✔-Tires, wheels, and rims - Brakes -
Lights and Reflectors - Brake and Electrical connections to trailer - Trailer coupling
devices - Cargo securement devices
Name some key steering system parts. - ANSWER✔✔-- Steering Wheel - Tie Rod -
Steering Shaft - Power Steering Cylinder - Steering Arm - Spindle - Steering Knuckle -
Drag Link - Pitman Arm - Gear Box - Hydraulic Fluid Reservoir
Name some suspension system defects. - ANSWER✔✔-Spring Hangers that allow
movement of axel from proper position. - Cracked or broken spring hangers - Missing
COPYRIGHT © 2025 BY OLIVIA GREENWAYS, ALL RIGHTS RESERVED 1
,or broken leaves in a leaf spring - Broken or shifted leaves in a multi-leaf spring -
Leaking shock absorbers - Axle positioning parts that are cracked, broken, or missing. -
Air suspension systems that are damaged and/or leaking. - Any loose, cracked, broken,
or missing frame members.
What three types of emergency equipment must you have? - ANSWER✔✔-Fire
Extinguisher - Spare Electrical Fuses - Warning Devices for Parked Vehicles
What is the minimum tread depth for the front tires? - ANSWER✔✔-4/32"
What is the minimum tread depth for the other tires? - ANSWER✔✔-2/32"
Name some things that you should check on the front of your vehicle during the walk
around inspection. - ANSWER✔✔-Condition of front axle - Condition of steering
system - Condition of windshield - Lights and reflectors
What should the wheel bearing seals be checked for? - ANSWER✔✔-That they are not
leaking.
How many red reflective triangles should you carry? - ANSWER✔✔-3
How do you test hydraulic breaks for leaks? - ANSWER✔✔-Pump the brake pedal
three times. Then apply firmly for 5 seconds. If the pedal moves, there could be a leak.
Why put the starter switch key in your pocket during the pre-trip inspection? -
ANSWER✔✔-So that the vehicle will not be moved.
COPYRIGHT © 2025 BY OLIVIA GREENWAYS, ALL RIGHTS RESERVED 2
, Why should you back towards the driver's side? - ANSWER✔✔-Because you can see
better.
If stopped on a hill, how can you start moving without rolling backwards? -
ANSWER✔✔-Put slight pressure on the gas pedal to increase the RPMs before shifting
into gear.
When backing, why is it important to use a helper? - ANSWER✔✔-There are blind
spots that you cannot see.
What's the most important hand signal that you and your helper should agree on? -
ANSWER✔✔-Stop
What are two special conditions when you should downshift? - ANSWER✔✔-Before
starting downhill - Before entering a curve
When should you downshift automatic transmissions? - ANSWER✔✔-When going
down grades
Retarders keep you from slipping when the road is slick. True or False? - ANSWER✔✔-
False. Retarders are used to slow the vehicle in replacement of the brakes.
What are two ways you know when to shift? - ANSWER✔✔-By using the Engine Speed
(RPM) - By using the Road Speed
COPYRIGHT © 2025 BY OLIVIA GREENWAYS, ALL RIGHTS RESERVED 3
Exam| 219 Questions| With Complete
Solutions/Newest Update
What is the most important reason for doing a vehicle inspection? - ANSWER✔✔-
Safety for yourself and other road users.
What things should you check during a trip? - ANSWER✔✔-Watch Gauges - Use senses
to check for problems
When stopped check critical items: - ANSWER✔✔-Tires, wheels, and rims - Brakes -
Lights and Reflectors - Brake and Electrical connections to trailer - Trailer coupling
devices - Cargo securement devices
Name some key steering system parts. - ANSWER✔✔-- Steering Wheel - Tie Rod -
Steering Shaft - Power Steering Cylinder - Steering Arm - Spindle - Steering Knuckle -
Drag Link - Pitman Arm - Gear Box - Hydraulic Fluid Reservoir
Name some suspension system defects. - ANSWER✔✔-Spring Hangers that allow
movement of axel from proper position. - Cracked or broken spring hangers - Missing
COPYRIGHT © 2025 BY OLIVIA GREENWAYS, ALL RIGHTS RESERVED 1
,or broken leaves in a leaf spring - Broken or shifted leaves in a multi-leaf spring -
Leaking shock absorbers - Axle positioning parts that are cracked, broken, or missing. -
Air suspension systems that are damaged and/or leaking. - Any loose, cracked, broken,
or missing frame members.
What three types of emergency equipment must you have? - ANSWER✔✔-Fire
Extinguisher - Spare Electrical Fuses - Warning Devices for Parked Vehicles
What is the minimum tread depth for the front tires? - ANSWER✔✔-4/32"
What is the minimum tread depth for the other tires? - ANSWER✔✔-2/32"
Name some things that you should check on the front of your vehicle during the walk
around inspection. - ANSWER✔✔-Condition of front axle - Condition of steering
system - Condition of windshield - Lights and reflectors
What should the wheel bearing seals be checked for? - ANSWER✔✔-That they are not
leaking.
How many red reflective triangles should you carry? - ANSWER✔✔-3
How do you test hydraulic breaks for leaks? - ANSWER✔✔-Pump the brake pedal
three times. Then apply firmly for 5 seconds. If the pedal moves, there could be a leak.
Why put the starter switch key in your pocket during the pre-trip inspection? -
ANSWER✔✔-So that the vehicle will not be moved.
COPYRIGHT © 2025 BY OLIVIA GREENWAYS, ALL RIGHTS RESERVED 2
, Why should you back towards the driver's side? - ANSWER✔✔-Because you can see
better.
If stopped on a hill, how can you start moving without rolling backwards? -
ANSWER✔✔-Put slight pressure on the gas pedal to increase the RPMs before shifting
into gear.
When backing, why is it important to use a helper? - ANSWER✔✔-There are blind
spots that you cannot see.
What's the most important hand signal that you and your helper should agree on? -
ANSWER✔✔-Stop
What are two special conditions when you should downshift? - ANSWER✔✔-Before
starting downhill - Before entering a curve
When should you downshift automatic transmissions? - ANSWER✔✔-When going
down grades
Retarders keep you from slipping when the road is slick. True or False? - ANSWER✔✔-
False. Retarders are used to slow the vehicle in replacement of the brakes.
What are two ways you know when to shift? - ANSWER✔✔-By using the Engine Speed
(RPM) - By using the Road Speed
COPYRIGHT © 2025 BY OLIVIA GREENWAYS, ALL RIGHTS RESERVED 3
