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

1. To warn drivers behind you when you see you'll need to slow down, you should:

2. Who is responsible for inspecting the cargo?

The shipper
The driver
The motor carrier
The person who loaded and secured the cargo

3. Which of the following will off-track the most?

The rear wheels of the last trailer.
The front wheels of the last trailer.
The front wheels of the tractor.
The rear wheels of the tractor.

4. The earliest way to recognize that your trailer has started to skid is:

by releasing the brakes.
by hearing squeaking noises from the wheels.
by checking your mirrors.
by checking the jackknife sensor.

5. Texting is:

safer than talking on a cell phone.
the most dangerous distraction.
about as safe as adjusting the radio.
safer than engaging in conversation with a passenger.

6. If a vehicle is equipped with ABS, when you start the engine:

the ABS indicator light on the dash should come on and then turn off.
the trailer emergency brakes will come on.
the wheels will lock up.
the spring brakes will come on.

7. On any upgrade, _________ – the more you will have to use lower gears to climb hills or mountains.

8. When coupling, you should:

make sure the trailer wheels are not chocked.
make sure the trailer kingpin is bent.
be aware that wrong coupling and uncoupling can be very dangerous.
make sure the sliding fifth-wheel is locked.

9. How should you apply the brakes when going down a steep downgrade?

Apply the brakes whenever you reach your safe speed, until your speed has been reduced to 5 mph below your safe speed.
Apply the brakes as hard as you can without locking the wheels.
Apply the brakes when you reach the bottom of the downgrade.
You should not brake, and only use engine braking to prevent brake failure.

10. It's very important to distribute the cargo so it is:

CDL DOUBLES PRACTICE TEST NEBRASKA