Ohio cdl Double - Test 1
Number of questions: 20
Passing score: 80%
Acceptable number of errors: 4
This endorsement is required if the driver will pull two or three trailers. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Ohio Commercial Driver’s License Manual. Questions come from chapters covering: Driving Safely, Air Brakes (if applicable), Combination Vehicles and Doubles and Triples. The Double/Triple endorsement can be used with the Class A CDL.
To DMV Handbooks3. How can you check for a leak in hydraulic brakes?
Pump the brake pedal three times, then hold down the pedal for five seconds. If the pedal moves, there may be a problem.
Push the brake pedal down as far as possible and release. If the brake pedal returns to its normal position, there may be a problem.
Push the brake pedal down as far as possible and release. If the brake squeaks, there may be a problem.