District Of Columbia 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. Each question has four possible answer choices. Test questions come from the Washington D.C. Commercial Driver 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 Handbooks3. When refueling a vehicle that contains hazardous materials:
The engine should be left on.
The engine should be turned off.
The gas nozzle may be left unattended.
No other vehicles should be at the refueling station.