Ohio cdl HazMat - Test 1
Number of questions: 30
Passing score: 80%
Acceptable number of errors: 6
This endorsement is required to haul hazardous materials as defined in Title 49, CFR, §383.5. To receive this endorsement, drivers must also pass a Transportation Security Administration background check. To receive this endorsement, applicants must pass a test. The test consists of 30 multiple choice questions. To pass, the applicant must answer at least 24 questions correctly. Test questions come from the Ohio Commercial Driver’s License Manual. Questions come from the chapter covering: Hazardous Materials. The Hazardous Materials endorsement can be used with Class A, B and C CDL.
To DMV Handbooks22. During a cargo fire, opening the trailer doors may actually cause the fire to expand because doing so:
Allows oxygen into the trailer.
Changes the temperature of the trailer.
Provides more moisture to the trailer.