CDL Practice Test (2024) - FREE Connecticut CDL Knowledge Test

1. A high center of gravity:

is less dangerous in curves.
means your vehicle is more likely to tip over.
means you'll have better traction.
helps the vehicle be more stable while turning.

2. Which of these is NOT a thing to do when caring for the injured at the scene of a crash?

Stop heavy bleeding by applying direct pressure to the wound.
Move a severely injured person if the danger of fire or passing traffic makes it necessary.
If a qualified person is helping the injured, stay out of the way unless asked to assist.
Keep the injured persons cool.

3. What is a pull up when referring to truck driving?

A driving maneuver used to pull your vehicle over to the side of the road and stop.
Using the speedometer to know when to shift up.
A specific maneuver used to decelerate smoothly in the exit lane.
When a driver stops and pulls forward to get a better position.

4. Escape ramps are:

used by vehicles exiting the expressway.
used to stop runaway vehicles safely.
reserved for vehicles carrying dangerous goods.
reserved for combination vehicles.

5. When driving at night, you should dim your lights within _____ of an oncoming vehicle and when following another vehicle within _____ .

6. Name some exhaust system parts.

Pitman arm, hydraulic fluid reservoir and tie rod
Mufflers, mounting brackets and vertical stacks
Drag link, spindle and gear box
Main spring, axle and font axle hanger

7. The best way to recognize that your trailer has started to skid is:

by opening the window and feeling the front of the mirror.
by seeing it in your mirrors.
by recognizing tire failure.
by feeling the brakes come on.

8. The spring brakes come on:

when you bring the vehicle to a complete stop right away.
when you lose ABS control.
when air pressure in both air brake systems rises to a value set by the manufacturer.
when main air pressure is lost.

9. When a tire fails, the driver should:

immediately apply the brakes.
drive on the shoulder.
stay off the brake.
swerve to the right.

10. Controlled braking:

involves locking the wheels and then releasing the brakes.
must be used when you need to turn sharply while braking.
involves pumping the brakes while keeping steering wheel movements very small.
can be used to keep your vehicle in a straight line and allow you to turn if necessary.

CT CDL PRACTICE TEST - GENERAL KNOWLEDGE