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

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

Oil pressure gauge

Odometer

Tachometer

Ammeter

2 / 30

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

Touch any part of the vehicle

Do any of these things

Crawl under the vehicle

Unscrew or remove any part of the vehicle

3 / 30

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

Any of these

Level with the refill mark

Just below the refill mark

Above the refill mark

4 / 30

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

Pulling gently forward with the brake on

Pulling sharply forward with the brake on

Reversing gently with the brake on

Reversing sharply with the brake on

5 / 30

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

Red lantern

Fusee

Red reflective triangle

Liquid flare

6 / 30

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

Point to each item you're inspecting

Read each item from a checklist

Ask the examiner to point to the items to be inspected

Look towards the item you're inspecting

7 / 30

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

Fifth

First

Reverse

Neutral

8 / 30

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

Dirt

Rust

Drips

Moisture

9 / 30

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

It shows normal oil pressure

Any of them

It shows increasing oil pressure

The warning light goes off

10 / 30

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

Separately

No more than any two at a time

Simultaneously

Any of these

11 / 30

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

Three

Five

Six

Four

12 / 30

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

Any of these

Amber

Red

White

13 / 30

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

15°

20°

10°

5°

14 / 30

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

Objects obstructing the windshield

All of them

Cracks in the windshield

Illegal stickers on windshield

15 / 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 wheels are chocked

The engine has fully warmed up

The engine is not hot

The engine is running

16 / 30

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

110 to 120 psi

120 to 140 psi

70 to 90 psi

90 to 110 psi

17 / 30

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

Spare brake cables

Spare wing mirrors

Spare electrical fuses

Spare air hoses

18 / 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

These are all equally important for this section

The vehicle is safe

19 / 30

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

Slowly release the clutch

Press the clutch further in

Release the clutch half way

Quickly release the clutch

20 / 30

Side reflectors on your vehicle must be of what color?

White

Amber

Red

Any of these

21 / 30

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

Zero

Three

Two

One

22 / 30

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

Undamaged

Smooth

All of these things

Secure

23 / 30

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

Check the ground

Listen for drips

Smell for leaks

Check the hoses

24 / 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?

3 inches

2 inches

1 inch

4 inches

25 / 30

Power steering fluid levels must be...?

Below the refill mark

Exactly at the refill mark

Any of these

Above the refill mark

26 / 30

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

Rise immediately to normal operating range

Any of these depending on external temperature

Gradually rise to normal operating range

Remain where it was before you started the engine

27 / 30

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

One quarter of an inch of play

Half an inch of play

Three quarters of an inch of play

Two inches of play

28 / 30

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

Depress the accelerator

Place the gear shift in neutral

Depress the clutch

Turn on the ignition

29 / 30

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

Highbeam headlight

Turn signals

Four-way emergency flashers

All of them

30 / 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

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.