OH · CDL Class C

Ohio Class C CDL Practice Questions and Licensing Guide

This Ohio Class C CDL practice page is built around the 100 questions currently saved in the bank. The mixed set covers general knowledge, air brakes, hazardous materials, tank vehicles, passenger transport, and school bus material. Those specialty modules are conditional study coverage, not a claim that every Class C applicant needs every endorsement or equipment qualification. Ohio Class C applies to qualifying commercial vehicles that are not Class A or B, including certain passenger vehicles, placarded hazardous-materials operations, and Ohio’s specified smaller-school-bus category. Federal Entry-Level Driver Training is not triggered merely by first obtaining a Class C CDL, but first-time H, P, or S endorsements can trigger the applicable ELDT requirement. Use this bank to review the topics actually stored here, then match the licensing steps and endorsements to the vehicle and operation you intend to drive.

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Every test draws only from the Ohio CDL Class C question bank.

20questionsStart Class C test → 40questionsStart Class C test → 60questionsStart Class C test → 80questionsStart Class C test →

LICENSING GUIDE

What to know before you test

Use this overview together with the latest official guidance linked below.

Confirm that Class C matches the vehicle and operation you plan to drive

Ohio law defines Class C as a commercial vehicle that is not Class A or B but qualifies because it is designed to transport 16 or more passengers including the driver, transports hazardous materials in an amount requiring placarding, or falls within Ohio’s specified smaller-school-bus category. The CDL class and the endorsement are separate questions: a passenger operation may require P, a school bus requires S, placarded hazardous materials require H, and qualifying tank operations may require N or X. This practice bank excludes combination-vehicle and doubles/triples modules because they are not regular Class C operating modules.

Meet Ohio’s first-time applicant, document, vision, and medical steps

Ohio BMV says first-time CDL applicants must be at least 18, hold a valid Ohio driver license, have a valid U.S. Social Security number, and provide accepted proof of U.S. citizenship or lawful permanent residency. Applicants must also satisfy vision and applicable FMCSA physical qualifications. Drivers under 21 are restricted to intrastate commercial driving within Ohio and are not eligible for the hazardous-materials endorsement. CDL and CLP applicants self-certify the type of commercial driving they expect to perform, and current medical examination results are generally transmitted electronically to Ohio BMV through the federal registry process.

Move from knowledge testing and the CLP to any required Class C skills test

Ohio BMV requires applicants to pass the knowledge tests that apply to the CDL class, vehicle, and requested endorsements, obtain the appropriate commercial learner permit, and pass required skills testing in a representative vehicle. FMCSA states that a CLP must be held for at least 14 days before a CDL skills test. For Class C, federal ELDT is not triggered simply because the applicant is obtaining Class C for the first time; however, first-time passenger, school-bus, or hazardous-materials endorsements can require the applicable ELDT before the covered skills or knowledge test. Test-vehicle configuration can also create air-brake or passenger restrictions.

Use Ohio’s official passing thresholds, not this bank’s 100-question layout, as the exam reference

Ohio Administrative Code requires at least 50 equally weighted general commercial-driver questions with 80 percent correct to pass. It also sets 80-percent thresholds for applicable specialty tests, including hazardous materials, passenger transport, tankers, school bus, and air brakes. This saved practice bank contains 100 editorial questions across six modules for broad Class C preparation; its question count and module allocation are not an official Ohio exam blueprint. Study the specialty material that matches the vehicle, passengers, cargo, endorsements, and brake system involved in your actual Class C operation.

REQUIREMENTS OVERVIEW

Ohio CDL Class C requirements

Requirements depend on the applicant and can change. Verify each item with the cited agency.

age

First-time Ohio CDL applicants, including Class C drivers under age 21

Ohio BMV requires first-time CDL applicants to be at least 18 years old. Drivers under 21 are restricted to intrastate commercial driving within Ohio, and hazardous-materials endorsement eligibility generally begins at age 21.

documents

First-time Ohio Class C CDL and CLP applicants

Ohio BMV requires a valid Ohio driver license, a valid U.S. Social Security number, and accepted proof of U.S. citizenship or lawful permanent residency for first-time CDL applicants. Applicants also complete the applicable commercial-driving self-certification and medical qualification process.

tests

First-time Ohio Class C applicants and applicants seeking applicable endorsements or air-brake privileges

Applicants must satisfy the vision requirement and pass the knowledge tests applicable to their CDL class, vehicle, and requested endorsements, obtain the appropriate CLP, hold it for the federal 14-day minimum before a required CDL skills test, and pass the required skills components in a representative vehicle. Applicable first-time H, P, or S endorsements also require ELDT on the federal schedule.

passing

Ohio commercial driver applicants taking required knowledge examinations

Ohio Administrative Code requires 80 percent correct on the general commercial knowledge test and on each applicable specialty knowledge test. The rule specifies at least 50 general questions, plus separate question counts for hazardous materials, passenger, tanker, school bus, air-brake, and other specialty testing when applicable.

applicability

Ohio Class C applicants and holders studying endorsement-specific or equipment-specific material

Ohio Class C applies to a commercial vehicle that is not Class A or B but qualifies through passenger capacity, placarded hazardous materials, or the specified smaller-school-bus provision. Endorsements and restrictions depend on the actual vehicle, brake system, cargo, passengers, and operation, so the specialty modules in this 100-question mixed bank do not all apply to every Class C applicant.

OFFICIAL REFERENCES

Sources for this guide

Open the current source before relying on licensing details.

Commercial Driver - CDL | Ohio BMVFirst-time eligibility, documents, vision and medical requirements, CLP, skills testing, CDL classes, endorsements, restrictions, and self-certificationOpen source ↗ Ohio Revised Code Section 4506.12Class C commercial driver license definition, endorsements, and restrictionsOpen source ↗ Ohio Administrative Code Rule 4501:1-1-08Commercial driver vision and knowledge examinations, question counts, specialty tests, air-brake test, and 80-percent passing thresholdsOpen source ↗ Ohio Commercial Driver License Manual - HSY 7605Official Ohio CDL study manual, including Class C study sections and conditional air-brake and endorsement materialOpen source ↗ How do I get a Commercial Driver's License? | FMCSACommercial learner permit, 14-day CLP holding requirement, and CDL skills-test eligibilityOpen source ↗ Entry-Level Driver Training (ELDT) | FMCSAELDT applies to first-time Class A or B, Class B-to-A upgrades, and first-time H, P, or S endorsementsOpen source ↗