FREE HI CDL Passenger Practice Test (2025)

1. One reason parked delivery trucks can present a hazard is:

packages may fall out of the truck.
their drivers are often in a hurry and may suddenly step out of their vehicle.
they are often hard to see.

2. The two ways of knowing when to shift are:

following distance and traffic speed.
weather and road conditions.
engine speed and road speed.

3. You should do an after-trip inspection:

4. When is it best to wear your seat belt?

Always
Only if required by your company's policy
Only if your bus holds more than 15 passengers

5. Roof hatches:

must be left open as a regular practice.
may be locked in a partly open position for fresh air.
must always be closed when driving.

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

you should pump the brakes to restore pressure.
either the front or rear brakes will not be operating fully.
you should drive and brake as you always have.

7. After an accident, an improper use of flares could cause:

a fire if spilled fuel is on the ground.
the springs to put on the brakes.
air pressure to build from 50 to 100 psi within 2 minutes.

8. The heavier the vehicle:

the more work the brakes must do to stop it.
the less work the brakes must do to stop it.
the higher the center of gravity will be.

9. When dealing with a disruptive rider, you should:

discharge such rider immediately.
give the rider a cup of coffee.
discharge the rider at the next scheduled stop.

10. You hear a loud "bang" which sounds like a tire blowout. You should:

check the tires at the next stop.
keep driving as normal.
assume you have a tire failure.

HI CDL PASSENGER TEST - PRACTICE TEST