Our printable Oregon CDL General Knowledge worksheet will help you get 100% ready for your coming exam

Stab braking should not be used on the vehicles with which of the following?

In stab braking, the wheels are intentionally locked and unlocked. As a result, abrupt braking should be avoided when operating an antilock brake vehicle. Instead, use controlled braking.

If your brakes get wet on a rainy day, what can result?

When driving in heavy rain or deep standing water, your brakes will get wet. Water in weak, to apply unevenly, or to grab. This can cause lack of braking power, wheel lockups, pulling to one side or the other, and jackknife if you pull a trailer.
[Commercial Driver’s License Manual]

Tire fires are most commonly caused by underinflated tires and dual tires that touch.

Which of the following best describes how sleep debt can be paid off?

Sleep debt is a risky condition in which you don't get enough sleep and end up falling asleep behind the wheel until you acquire some. People are frequently astonished to learn that sleeping less than 6 hours per night increases the chance of an accident by thrice. Driver weariness is thought to be involved in at least 15% of heavy truck accidents. You should acquire enough sleep before each travel (adults need 8 to 9 hours to maintain alertness).

It will go away by itself over a period of time.

It can be overcome with willpower and non-sleep aids.

Sometimes, heavy vehicles must go more slowly than other types of traffic. Which of the following is NOT a good rule to go by when operating one of these vehicles?

Use your emergency flashers to warn other vehicles if you must drive slowly and stay to the right (if state regulations allow it). Never attempt to signal other vehicles to pass you when you think it is safe to do so. If something goes wrong and an accident occurs, you may be held legally liable.

Turn on your flashers if it is legal to do so.

Signal other drivers when it is safe for them to pass you.

You are driving a 40-foot vehicle at 50 mph. Driving conditions are ideal (dry pavement, good visibility). What is the least amount of space that you should keep in front of your vehicle to be safe?

The following distance is calculated as one second for ten feet of vehicle length, plus an extra second if you are moving faster than 40 mph. As a result, for a 40-foot vehicle going at 50 mph, the following distance of 5 seconds should be left.

What are the regulations on the height of splash guards (mud flaps)?

There are currently no federal restrictions governing splash guard height (mud flaps). Each state is free to enact its own regulations, which differ from one state to the next. Consult your state's transportation department for information on its regulations. However, be sure that any mud flaps you have put on your vehicle are secure and in good working order.

They must be no more than 15 inches above the ground when the vehicle is completely unloaded.

They must be no more than 8 inches above the ground when the vehicle is fully loaded.

What can you do to avoid wet brake problems?

You can avoid wet brake problems by:
 Slow down and place transmission in a low gear.
 Gently put on the brakes. This presses linings
against brake drums or discs and keeps mud, silt,
sand, and water from getting in.
 Increase engine rpm and cross the water while
keeping light pressure on the brakes. 
[Commercial
Driver License
Manual]

Slow down, shift to a low gear, and gently apply the brakes.

The road you are driving on becomes very slippery because of glare ice. Which of these is a good thing to do in such a situation?

The braking distance of your car might greatly increase when riding on ice. Slow down to a crawl on ice and stop driving as soon as it is safe to do so.

Apply the brakes often to keep the linings dry.

Stop driving as soon as you can safely do so.

What is the primary purpose of placards on a vehicle transporting hazardous materials?

Placards are diamond-shaped signs placed on vehicles carrying hazardous materials to alert emergency responders, other drivers, and the public about the dangerous goods being transported. This helps in handling emergencies like spills or accidents properly.

To warn others of the hazardous materials being carried.

What is the best way to figure out how many seconds of following distance you have?

Count the number of seconds it takes you to reach a fixed object after the vehicle ahead of you has passed it. "One-thousand-and-one, one-thousand-and-two,..." can be used to count seconds. The other three options will either not work or will result in dangerous distractions. In heavy traffic, severe weather, with big vehicles, or at faster speeds, you should increase your following distance.

Get 1/4 closer to the car in front of you, then back off again. Multiply how long this took you by four to give the following distance.

Wait until the vehicle ahead of you passes a shadow or landmark. Then count the seconds until you reach it.

Use the stopwatch on your cell phone to determine how long it takes you to reach a mile marker after the vehicle in front of you has passed it.

Send a text message to a friend to text you back in ten seconds. See how far you have traveled in that time.

On which of the following types of fires should you NOT use a B:C fire extinguisher?

A B:C fire extinguisher should not be used to put out a fire that can be put out with regular water, such as wood, paper, or cloth. An A or A:B:C fire extinguisher is required.

You are starting your vehicle from a stop. As you apply power to the drive wheels, they start to spin. You should _______.

The wheels will spin if there is enough power delivered to the drive wheels to overcome the tires' grip on the road. If the road surface is slick, this is more likely to happen. Take your foot off the accelerator to stop the drive wheels from spinning. From now on, accelerate softly and gradually.

If you must stop on a road or the shoulder of any road, you must put out your emergency warning devices within

You must put out your emergency warning devices within ten minutes if you must stop on a road or the shoulder of any road.

Modern tires will normally divert water away from a wet road at moderate speeds to keep contact with the road. However, in deep water and at higher speeds, the tires' channeling function becomes less effective, and they begin to ride on a layer of water like water skis. This is referred as as "hydroplaning." It could cause you to lose control of your braking and steering.

When the tires skim over the road surface

If you are convicted for driving under the influence (DUI) while driving a commercial vehicle, and this is your first offense, you will most likely get

If you are convicted of DUI for the first time, you will be disqualified from driving CMVs for at least one year and you may also face criminal penalties. If you are convicted of a second DUI offense, you will lose your CDL for life. [49 CFR 383.51]

at least a one-year suspension of your CDL.

Why should you signal continuously while turning?

Before beginning a turn, most states require you to signal constantly. Keep both hands on the wheel as you approach and execute the maneuver for safety.

It is usually illegal to turn off your signal before starting a turn.

You need both hands on the wheel to turn safely.

You are driving a new truck with a manual transmission. To take a long, steep downhill grade, _____________.

When going uphill and downhill with earlier trucks, you usually utilize the same gear. Vehicles today have more powerful engines and are more fuel efficient than trucks from the past. As a result, such a truck can be driven uphill in higher gears than it can be driven downhill with engine brakes.

use a lower gear than you would use to climb the hill.

use the same gear you would use to climb the hill.

While driving, use your mirrors to check for which of the following?

Before you start driving, adjust your mirrors to show both the inside and outside of your vehicle. During your drive, you can use your mirrors to keep an eye on your tires and any open cargo. Before turning, ensure your vehicle's back end is not colliding with anything by checking your mirrors. To keep an eye on a trailer you are towing, use your mirrors. If it starts to jackknife, you'll see it in your mirrors.

where the rear of your vehicle is while you make turns.

if your running lights are working properly.

Free printable Oregon CDL General Knowledge worksheet part 4

Millions Of Interactive & Printable Worksheets For Education

Create academic content for both online and offline classes

Create addition practice for both online and offline classes

The free, easy, and smart way to make your own custom worksheets with help from AI or converting PDF/ images to interactive worksheets that students can practice online.

Create a group, add your students, assign exercises (by using Worksheetzone's resources, creating a new one, or uploading your own PDF), and then share group link (or student codes) with your students.

Teachers Assign Tasks Quickly

Assign exercises digitally, score them, and follow all students' progress on any devices (computers, mobiles, tablets,...) and at anywhere you want!

After joining group by 1-click login link or entering student code, students will see their tasks. They then can complete them online on their own devices!

Students Do Task Online

Interactive Tasks will be automatically scored. Teachers now can track and follow students' progress right on their phones or desktops.

Teachers Easily Track Results

Find a various coloring pages for multiple topics and ages

Spend less time, work more effectively with our comprehensive education supportive platform

Create worksheets from scratch just as easy as with Canva, no more Premium Elements

Create crossword activities with AI generator for both online and offline class

Spend less time, work more effectively with our all-in-one Education Management Platform

Create division practice for both online and offline classes

Create quick end-of-lesson questions to check student understanding

Create fill in the blank exercises for both online and offline classes

Millions of attractive and useful worksheets available for teachers & students

Browse & Save Millions Of Worksheets

Assign tasks, auto score, follow students progress with all-in-one class management tool

Manage & Track Students' Progress

Instantly create quiz questions from any YouTube video

Design engaging group work instructions tailored for classroom use

Create handwriting activities with just some clicks

Generate step-by-step classroom ice-breaker instructions

Produce structured informational passages with ease and accuracy

Create online interactive worksheet with AI assistant for distance learning

Diverse resources (worksheets, <a href='/coloring-pages' target='_blank'>coloring pages</a>, <a href='/lesson-plan' target='_blank'>lesson plans</a>) for all grades and subjects

Easily to find what you want with detailed filters

The resources are high quality and comply with core common standards, created by education experts

Digital materials can be interactively used and automatically graded

Browse Millions Of High Quality Educational Resources

Easily make any worksheets with <a href='/worksheet-maker' target='_blank'>our worksheet maker</a>

Quickly create online quizzes and puzzles like word search, crossword, or handwriting,... with comprehensive toolsets empowered by AI assistants

Conveniently transform traditional paper and classwork to engaging online activities

Make Worksheets Quickly And Innovatively

Host activities to maintain focus and increase engagement for the students

Keep students interested with interactive lessons

Encourage students to work together and communicate

Use multimedia and interactive displays to create a lively learning environment

Host Activities For The Class

Easily manage classworks and results

Track students’ progress closely

Suggest customized learning path for each students with specialized AI assistants

Reuse classes' information conveniently when leveling up or easily applied to other classes.

Manage After-Class Tasks With Paper-Alike Experience

Find thousand of ready-to-use lesson plan

Create lesson plan for both online and offline classes

Create math crossword activities for both online and offline classes

Create multiplication practice for both online and offline classes

Create name-tracing sheet for class opening activities with just a click

Generate reading comprehension texts, passage for any topics, subjects...

Generate reading passage for any topics, subjects...

Build detailed grading rubrics quickly with clear scoring criteria

Use natural language to find desired resources

Transform printable resources into live worksheets.

Convert PDF To Digital

Select a worksheet <a href='https://worksheetzone.org/worksheets/quiz'>(Quiz or Interactive format)</a> or <a href='https://worksheetzone.org/worksheet-maker'>Generate a new worksheet</a>

Click “Assign” and configure time, attempts, and feedback settings

Share the assignment via link, code, QR, or platforms like Google Classroom

Monitor student progress live from your assignment dashboard

Easily assign worksheets from your library or custom creations. Monitor individual student progress and performance in real time.

Assign Online Exercises

Host live games with interactive worksheet

Select a worksheet (Quiz or Interactive format) and click “Start teaching activities”

Choose desired mode and configure timing, question order, scoring, etc.

Share the session via code or link for students to join

Start the session and monitor progress and stats live

Host real-time, interactive sessions with any quiz-based worksheet. Learn together through friendly competition.

Increase Interactivity During Classes

Select a worksheet and click “Self-paced Learning”

Configure number of questions, timing, and feedback settings

Students practice independently on any device

Submit the assignment to view scores and leaderboard ranking

Let students learn at their own pace with custom questions, time limits, auto-scoring, and motivational leaderboards.

Personalized learning suggestions

AI-powered insights —all in one centralized dashboard

Add topics and assign worksheets inside the Activity tab

Monitor each student’s progress and completion

Use AI suggestions to improve teaching strategies and personalize assignments

Turn every worksheet into a personalized learning journey. Assign in 1 minute, track in real time, and teach with AI-powered insights by your side.

Worksheetzone Classroom

Features

How it works

Create Sentence Scramble activities with AI generator for both online and offline class

<ul><li> Easily Find and Create teaching materials</li></ul>

<ul><li> Make Learning Fun and Effective by turning traditional lessons into quizzes and games</li></ul>

<ul><li> Save Time and Professionally Manage after-class tasks</li></ul>

Printable & interactive resources with instant download. Worksheets, coloring pages, lesson plans, and AI-powered tools for every grade and subject.

Worksheetzone: All your educational needs in one powerful platform.

Create subtraction practice for both online and offline classes

Worksheetzone: Easy Solution For Teaching & Learning

Create new or edit available worksheets in just a few clicks, and the rest let AI do!

Create New Or Customize Templates

Easy Solution For Teaching & Learning

Create vocabulary list for both online and offline classes

Create Word Scramble activities with AI generator for both online and offline class

Create word search activities with AI generator for both online and offline class

Generate clear wrap-up instructions to end your lesson effectively

AI-powered suggestions to improve clarity, grammar, and flow

View, edit & interact with this in A4 form

Free printable Oregon CDL General Knowledge worksheet part 4

Other similar worksheets