CDL PRE TRIP PRACTICE TEST – 01

The CDL pre trip practice test will examine your knowledge of internal inspection and external inspection. In order to receive your Commercial driver’s license, it is required that you pass the state’s official CDL written Knowledge exam.

Pre Trip Test 01

1 / 30

The play on a steering wheel without power steering should not exceed...?

10°

5°

20°

15°

2 / 30

Clearance lights on the rear of your vehicle must be what color?

Amber

White

Red

Any of these

3 / 30

If your vehicle is not equipped with an inspection reservoir sight glass, you should remove the radiator cap to inspect visually, making sure...?

The engine has fully warmed up

The engine is running

The wheels are chocked

The engine is not hot

4 / 30

Side reflectors on your vehicle must be of what color?

Red

Any of these

White

Amber

5 / 30

Your windshield wiper arms and blades must be...?

Smooth

Undamaged

All of these things

Secure

6 / 30

You should check your parking brake function by...?

Pulling sharply forward with the brake on

Reversing gently with the brake on

Reversing sharply with the brake on

Pulling gently forward with the brake on

7 / 30

When making a safe start, you should place the gearshift lever in...?

Reverse

Fifth

First

Neutral

8 / 30

After starting the engine for safe start, you should...?

Release the clutch half way

Slowly release the clutch

Quickly release the clutch

Press the clutch further in

9 / 30

Which of these will show you that the oil pressure gauge is working satisfactorily?

Any of them

It shows normal oil pressure

The warning light goes off

It shows increasing oil pressure

10 / 30

If your warning devices consist of fusees, you must have at least how many?

Four

Five

Six

Three

11 / 30

The belts in the engine compartment should have no more than...?

Half an inch of play

Two inches of play

Three quarters of an inch of play

One quarter of an inch of play

12 / 30

The most important thing to demonstrate on the pretrip inspection portion of the skills test is that...?

The vehicle is licensed

You know how to drive the vehicle

The vehicle is safe

These are all equally important for this section

13 / 30

If your vehicle has power steering, a 20 inch steering wheel should not turn more than how far before the front left wheel barely moves?

4 inches

2 inches

3 inches

1 inch

14 / 30

You must have working indicators on the dashboard for which of these lights?

Highbeam headlight

Four-way emergency flashers

All of them

Turn signals

15 / 30

Which gauge shows you that the alternator and/or generator is charging?

Odometer

Oil pressure gauge

Tachometer

Ammeter

16 / 30

Which of these is not acceptable as an emergency warning device?

Red reflective triangle

Red lantern

Fusee

Liquid flare

17 / 30

During the pretrip inspection test, you should...?

Ask the examiner to point to the items to be inspected

Look towards the item you're inspecting

Point to each item you're inspecting

Read each item from a checklist

18 / 30

For the pretrip inspection, you must bring...?

A vehicle of the class you wish to be tested on

A full set of safety clothing

All of these things

Emergency warning devices

19 / 30

You should look on the underside of the engine and transmission for...?

Rust

Moisture

Drips

Dirt

20 / 30

When checking the oil, the level must be...?

Any of these

Above the refill mark

Level with the refill mark

Just below the refill mark

21 / 30

The first maneuver in a safe start is to...?

Turn on the ignition

Place the gear shift in neutral

Depress the clutch

Depress the accelerator

22 / 30

During the pretrip inspection portion of the skills test, you will not have to...?

Crawl under the vehicle

Touch any part of the vehicle

Do any of these things

Unscrew or remove any part of the vehicle

23 / 30

The first way to check for leaks from hoses is to...?

Check the ground

Listen for drips

Check the hoses

Smell for leaks

24 / 30

Which of these should be a compulsory part of your emergency equipment?

Spare electrical fuses

Spare brake cables

Spare wing mirrors

Spare air hoses

25 / 30

Which of these should result in a vehicle failing a pretrip inspection?

All of them

Cracks in the windshield

Objects obstructing the windshield

Illegal stickers on windshield

26 / 30

How many properly charged and rated fire extinguishers must you have on board your vehicle?

Zero

One

Two

Three

27 / 30

Power steering fluid levels must be...?

Any of these

Exactly at the refill mark

Below the refill mark

Above the refill mark

28 / 30

If you have an oil temperature gauge, when you start the engine it should...?

Gradually rise to normal operating range

Remain where it was before you started the engine

Rise immediately to normal operating range

Any of these depending on external temperature

29 / 30

To test the air gauge, you should build air pressure to the governor cutout, which is usually...?

120 to 140 psi

90 to 110 psi

70 to 90 psi

110 to 120 psi

30 / 30

When checking your brake, turn signal and four way flasher operation, you should do so...?

Any of these

Simultaneously

No more than any two at a time

Separately

Your score is

Studying and applying oneself is the only way to successfully learn the information you need to know to pass all testing required to obtain your CDL. We are here to help.

Don’t hesitate to take advantage of our practice tests in each category specific to your needs. We wish you the best of luck in your endeavors and are pleased to be of assistance.