OHIO CDL PRACTICE TEST - GENERAL KNOWLEDGE

11. Parking brakes are:
not required on commercial vehicles with air brakes.
not required on trailers.
required on all vehicles.
12. If you are stopped on an incline, how can you start moving without rolling back?
Shift to neutral
Fully engage the clutch
Apply the parking brake
13. Weaving across the road or drifting from one side to another is typical of:
shoppers.
impaired drivers.
confused drivers.
14. If you are convicted of a traffic violation (except parking) in your personal vehicle:
you don't have to tell your employer.
you must tell your employer.
your commercial driver license will not be affected.
15. When backing, it is important to use a helper whenever possible. Why?
Because you cannot see everything behind your vehicle.
To make sure you don't damage your truck.
Because it's required by law.
16. To test for hydraulic leaks, you should:
apply the brakes firmly using the brake pedal and check to see if the brake pedal returns to its normal position.
use the stab braking method, then re-apply the brakes as soon as you can.
pump the brake pedal three times, then hold the pedal for five seconds. The pedal should not move.
17. Which of these statements is true?
Radial and bias-ply tires should not be used together on the same vehicle.
Dual tires that come in contact with each other provide better traction.
A tread depth of 2/32 of an inch is safe for steering axle tires.
18. You may get a clue that a driver may be going to make a turn from:
slow moving or stalled traffic in a traffic lane.
the rear lights of the driver's vehicle.
the driver's head and body movements.
19. Most heavy-duty vehicles use:
single air brake systems.
triple air brake systems.
dual air brake systems.
20. When approaching a stopped bus, you must be aware that:
a student may be driving the bus.
passengers may cross in front of or behind the bus.
passing a stopped bus is illegal.
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