FREE NE CDL Doubles/Triples Test 2024 (Practice Test)

1. When driving trucks with trailers, drivers should:

avoid making sudden movements with the steering wheel.
decrease their following distance.
make quick lane changes.
push the brake pedal to the floor when braking.

2. When driving a 50-foot truck at 40 mph, your minimum following distance should be:

3. If the drive wheels begin to spin, you should:

accelerate smoothly and change gears as necessary.
wait 4-5 seconds before applying the accelerator.
take your foot off the accelerator.
apply your brakes all the way.

4. When driving, you should check mirrors regularly to know where other vehicles are around you. Remember that:

every registered motor vehicle must have at least one mirror.
you should check your after the start of any trip to make sure they are properly adjusted.
convex mirrors make things look larger and closer than they really are.
there are blind spots that your mirrors cannot show you.

5. When you back under a trailer:

make sure the trailer brakes are locked.
use lowest reverse gear.
back the tractor slowly.
All of the above.

6. When driving at night you should dim your lights when following another vehicle within:

7. When checking the engine compartment in a vehicle inspection, you should check all of the following except:

Windshield washer fluid level
Engine oil level
Shock absorbers
Coolant level in radiator

8. In a dual air brake system, if one air system is very low on pressure:

the effect won't be noticeable for the first 50 miles.
you should drive and brake as you always have.
you should pump the brakes to restore pressure.
either the front or rear brakes will not be operating fully.

9. If you will be transporting hazardous materials that require placards, you must:

ask permission of the local transportation agency.
obtain a special transit permit.
obtain a hazardous materials endorsement.
transport the materials at night only.

10. To know if your vehicle is equipped with ABS, look for:

the ABS shipping paper.
the ABS logo on the steering wheel.
a yellow ABS malfunction lamps on the instrument panel.
an ABS placard.

DOUBLES TRIPLES TEST NE - CDL PRACTICE TEST