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300+ Free MN CDL General Knowledge Practice Questions

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When loading or unloading hazmat, what rule applies to the vehicle engine?

A
B
C
D
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2026 Statistics

Key Facts: MN CDL General Knowledge Exam

80%

Minimum CDL knowledge-test passing score

FMCSA

At least 30

Minimum items on each basic CDL knowledge test

FMCSA

18

Minimum age for Minnesota CLP applicants

Minnesota DVS

21

Minimum age to drive commercially outside Minnesota

Minnesota DVS

$26.75

Minnesota commercial learner permit fee

Minnesota DVS

$65

Minnesota Class A CDL license fee

Minnesota DVS

Minnesota CDL applicants must pass the required written knowledge test before moving through the CLP/CDL process. DVS lists CLP qualifications including a valid Minnesota driver's license, age 18 minimum, proof of U.S. citizenship or lawful permanent residency, and proof of Minnesota residency; age 21 is required to drive commercially outside Minnesota. FMCSA requires basic CDL knowledge tests to cover the 20 general areas in 49 CFR 383.111(a), contain at least 30 items, and use an 80% passing standard. Minnesota DVS lists a $26.75 CLP fee and CDL license fees of $65 for Class A, $57 for Class B, and $50 for Class C.

Sample MN CDL General Knowledge Practice Questions

Try these sample questions to test your MN CDL General Knowledge exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 300+ question experience with AI tutoring.

1Who must take the CDL general knowledge test in Minnesota?
A.Only Class A applicants
B.All CDL applicants for the class of commercial vehicle sought
C.Only drivers who need endorsements
D.Only drivers under age 21
Explanation: Minnesota CDL applicants must pass the required written knowledge test, and the General Knowledge test is the base knowledge test taken by all CDL applicants.
2What minimum age does Minnesota list for a commercial learner permit applicant?
A.16 years old
B.18 years old
C.19 years old
D.21 years old for any CDL operation
Explanation: Minnesota DVS lists 18 as the minimum age for a CLP, with age 21 required to drive commercially outside Minnesota.
3What is required before getting a Minnesota CDL?
A.A commercial learner permit
B.A motorcycle endorsement
C.A hazmat endorsement
D.A passenger endorsement
Explanation: Minnesota DVS states that you must get a commercial learner permit before you can get a commercial driver license.
4Under FMCSA standards, what is the minimum passing score for CDL knowledge tests?
A.70%
B.75%
C.80%
D.90%
Explanation: FMCSA requires applicants to correctly answer at least 80 percent of the questions on CDL knowledge tests.
5Under FMCSA standards, each basic CDL knowledge test must contain at least how many questions?
A.20
B.25
C.30
D.50
Explanation: FMCSA states that each basic knowledge test must contain at least 30 items.
6Which Minnesota source should you study for the required CLP written test?
A.The Minnesota commercial driver's manual
B.A passenger-car only owner manual
C.A fuel-tax guide
D.A county road map
Explanation: Minnesota DVS says the required CLP written test covers information in the Minnesota commercial driver's manual.
7What should you do first when approaching your vehicle for a pre-trip inspection?
A.Start the engine immediately
B.Check the general condition and look for damage or leaks
C.Release the parking brake
D.Load cargo before inspecting
Explanation: The pre-trip process begins with an overview of the vehicle condition, including obvious damage, leaning, and fresh leaks.
8Which item is checked in the engine compartment during a pre-trip inspection?
A.Oil level
B.Radio volume
C.Seat upholstery
D.License class
Explanation: Engine compartment checks include oil, coolant, power steering fluid, belts, hoses, and leaks.
9What should you look for when inspecting tires?
A.Proper inflation, tread depth, cuts, bulges, and damage
B.Only the tire brand
C.Only whether the tire is clean
D.Only the valve cap color
Explanation: CDL inspection guidance requires checking tire condition, tread depth, inflation, and visible damage.
10What is the minimum tread depth for front steering axle tires on a CMV?
A.1/32 inch
B.2/32 inch
C.4/32 inch
D.6/32 inch
Explanation: Steering axle tires need at least 4/32 inch tread depth in major grooves.

About the MN CDL General Knowledge Exam

The Minnesota CDL General Knowledge test is the base written knowledge exam for Minnesota commercial learner permit and commercial driver license applicants. Minnesota DVS says the required written test covers the Minnesota commercial driver's manual. The general knowledge scope aligns with FMCSA CDL standards for safe operation regulations, vehicle control systems, basic control, shifting, backing, visual search, communication, speed and space management, adverse conditions, hazards, emergencies, skid recovery, cargo control, vehicle inspections, fatigue, alcohol and drug effects, and Minnesota CDL licensing requirements.

Assessment

FMCSA requires each basic CDL knowledge test to contain at least 30 items; Minnesota administers the required CDL written tests using information from the Minnesota commercial driver's manual.

Time Limit

Set by Minnesota DVS testing administration; no separate public time limit found in official sources

Passing Score

80% minimum on CDL knowledge tests under FMCSA standards

Exam Fee

Class A $65, Class B $57, Class C $50; commercial learner permit $26.75; endorsement examination fee $2.50; third and subsequent written retests after failing the first two are $10 (Minnesota Driver and Vehicle Services (DVS))

MN CDL General Knowledge Exam Content Outline

Minnesota DVS CLP/CDL pages

Minnesota CDL Basics

Minnesota CDL classes, CLP requirements, age limits, proof of residency and lawful status, ELDT references, testing sequence, and fee schedule

49 CFR 383.111(a)(17)

Vehicle Inspection

Pre-trip, enroute, and post-trip inspections; brakes, tires, lights, steering, suspension, leaks, mirrors, emergency equipment, and defect reporting

49 CFR 383.111(a)(4)-(6)

Basic Control, Shifting, and Backing

Starting, stopping, backing, turning, off-tracking, shifting procedures, speed control, and maneuvering large vehicles

49 CFR 383.111(a)(7)-(10)

Seeing, Communication, Speed, and Space

Visual search, mirror use, signaling, communicating presence, stopping distance, following distance, traffic gaps, overhead clearance, and tailgaters

49 CFR 383.111(a)(11)-(15), (19)-(20)

Adverse Conditions and Emergencies

Night driving, fog, rain, wind, ice, mountain grades, hazard perception, evasive steering, brake failure, blowouts, fires, skids, and crash procedures

49 CFR 383.111(a)(1), (16), (18)

Cargo, Driver Fitness, Alcohol, and Drugs

Cargo securement, weight distribution, driver responsibilities, fatigue, health, alcohol and drug effects, and general regulatory awareness

How to Pass the MN CDL General Knowledge Exam

What You Need to Know

  • Passing score: 80% minimum on CDL knowledge tests under FMCSA standards
  • Assessment: FMCSA requires each basic CDL knowledge test to contain at least 30 items; Minnesota administers the required CDL written tests using information from the Minnesota commercial driver's manual.
  • Time limit: Set by Minnesota DVS testing administration; no separate public time limit found in official sources
  • Exam fee: Class A $65, Class B $57, Class C $50; commercial learner permit $26.75; endorsement examination fee $2.50; third and subsequent written retests after failing the first two are $10

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

MN CDL General Knowledge Study Tips from Top Performers

1Start with Minnesota DVS requirements: CLP qualifications, license classes, age 18 minimum, age 21 for interstate commercial driving, residency proof, and the posted fee schedule.
2Use the Minnesota commercial driver's manual as the primary study source; the CLP page says the required written test covers that manual.
3Treat 49 CFR 383.111(a) as a checklist so inspection, basic control, shifting, backing, visual search, communication, speed, space, weather, hazards, emergencies, cargo, fatigue, and alcohol/drugs are all covered.
4Practice inspection questions by naming the defect, explaining the safety risk, and deciding whether the vehicle can be driven before repair.
5For speed, space, mountain, and adverse-weather questions, choose the answer that gives the CMV more time, more room, lower speed, and better control.
6Keep endorsement-only material secondary unless it overlaps with General Knowledge, such as general hazardous-materials awareness, air-brake safety concepts, or passenger vehicle class basics.

Frequently Asked Questions

Who must take the Minnesota CDL General Knowledge test?

The Minnesota commercial driver's manual identifies the general knowledge test as the base test taken by CDL applicants. Depending on the vehicle and endorsements, applicants may also need tests such as air brakes, combination vehicles, passenger, school bus, tank, doubles/triples, or hazardous materials.

What score do I need to pass the Minnesota CDL General Knowledge test?

FMCSA requires applicants to correctly answer at least 80 percent of the questions on CDL knowledge tests. Minnesota's CDL testing program must meet those federal minimum standards.

How many questions are on the Minnesota CDL General Knowledge test?

FMCSA requires each basic CDL knowledge test to contain at least 30 items. Minnesota DVS administers the required CDL written tests; the official public Minnesota pages reviewed do not publish a separate Minnesota-specific General Knowledge item count.

How much does the Minnesota CDL process cost?

Minnesota DVS lists a commercial learner permit fee of $26.75, CDL license fees of $65 for Class A, $57 for Class B, and $50 for Class C, a $2.50 endorsement examination fee, and a $10 fee for the third and subsequent written test after failing the first two.

Can I get a Minnesota CLP if I am under 21?

Minnesota DVS lists the CLP minimum age as 18, but states that applicants must be at least 21 to drive commercially outside Minnesota.

What should I study for the Minnesota CDL General Knowledge test?

Study the Minnesota commercial driver's manual and use 49 CFR 383.111(a) as a topic checklist: safe operations, controls, inspections, basic control, shifting, backing, seeing, communication, speed, space, night and weather driving, hazards, emergencies, skids, cargo, mountain driving, fatigue, health, alcohol, and drugs.