CDL General Knowledge (Oregon)

First published: September 3, 2026Last verified: September 3, 2026Reviewed by the CertQuestUSA team

TL;DR

CDL General Knowledge (Oregon): a 124-question practice bank for the real CDL Permit & Endorsement Exams standard, 2 full papers of 50 questions each with no repeats, every question citing the real regulation it comes from.

Where these questions come from

Every question in this bank cites a real source -- primarily FMCSA CDL Manual (77%) and 49 CFR (23%) of this exam's citations.

Not sure where you stand? Take the free diagnostic — 10 real questions across the exam's domains, no sign-up required, with a domain-by-domain breakdown at the end.

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2

full papers, no repeats

50

questions per paper

124

questions in the bank

What this exam covers

Accident Procedures & Fires6%
Alcohol & Other Drugs8%
Basic Control & Shifting10%
Emergency Maneuvers & Skid Control10%
Staying Alert, Fatigue & Hours of Service6%
Hazard Perception & Distracted/Aggressive Driving8%
Hazardous Materials Awareness (General Knowledge)2%
Mountain Driving4%
Night Driving & Extreme Conditions10%
Railroad-Highway Crossings4%
Seeing & Communicating8%
Speed & Space Management10%
Vehicle Inspection14%

Real Oregon CDL requirements

The knowledge tested here is federal (FMCSA) and identical nationwide -- what varies by state is who administers it and under what terms. Researched directly from Oregon Driver and Motor Vehicle Services (DMV)'s own site, verified 2026-09-03.

Administering agency

Oregon Driver and Motor Vehicle Services (DMV)

Spanish-language knowledge test

English only

Oregon’s own CDL manual states directly: "We offer the tests in English only."

5 real sample questions

On winter roads, which surfaces tend to freeze first and should be treated with extra caution?

A. Wide open highway lanes in direct sun

B. Bridges and overpasses

C. Tunnels

D. Freshly paved asphalt roads

Source: FMCSA CDL Manual §2.13

Fire extinguisher classifications correspond to different fuel types. Which class of fire involves ordinary combustibles such as wood or paper?

A. Class A

B. Class B

C. Class C

D. Class D

Source: FMCSA CDL Manual §2.21

If a driver without a hazmat endorsement is asked to haul a shipment that requires placarding, what should the driver do?

A. Haul it anyway since placards are just a formality

B. Decline the load, since operating a placarded vehicle requires the proper hazmat endorsement

C. Remove the placards to avoid the issue

D. Only worry about it if stopped at a weigh station

Source: FMCSA CDL Manual §2.24

The general knowledge test's hazmat-awareness questions primarily exist to ensure a non-endorsed driver can do what?

A. Recognize a placarded shipment and decline to haul it without the proper endorsement

B. Fill out a full hazmat shipping paper independently

C. Select proper segregation groups for mixed hazmat loads

D. Calculate reportable quantity thresholds for spills

Source: FMCSA CDL Manual §2.24

What is the most important reason for performing a pre-trip inspection before every trip?

A. To satisfy your dispatcher that the truck left on time

B. To find problems that could cause a crash or breakdown before they happen on the road

C. To reduce the number of miles logged for the day

D. To avoid having to fill out any paperwork later

Source: FMCSA CDL Manual §2.1.1

Same exam, other states

AK AL AR AZ CA CO CT DC DE FL GA HI IA ID IL IN KS KY LA MA MD ME MI MN MO MS MT NC ND NE NH NJ NM NV NY OH OK PA RI SC SD TN TX UT VA VT WA WI WV WY

Frequently asked questions

How many questions are on the CertQuestUSA CDL General Knowledge (Oregon) practice test?

124 questions total, split into 2 full papers of 50 each with no repeats across papers.

What topics does the CDL General Knowledge (Oregon) test cover?

13 domains, with the heaviest weight on Vehicle Inspection (14%), Basic Control & Shifting (10%), and Emergency Maneuvers & Skid Control (10%).

Where do CertQuestUSA's CDL General Knowledge (Oregon) questions come from?

Primarily FMCSA CDL Manual (77%) and 49 CFR (23%) of this bank's citations -- computed directly from this exam's own question sources, not a generic description.

Is there a free diagnostic for CDL General Knowledge (Oregon)?

Yes -- 10 real questions across the exam's domains, no sign-up required, with a domain-by-domain breakdown at the end.

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