Texas cdl Class B Knowledge Test - 2
Number of questions: 50
Passing score: 80%
Acceptable number of errors: 10
This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 ore more people (including the driver)t. To receive this license, applicants must pass a 50-question test. Each question has four answer choices. To pass, applicants must answer 40 questions correctly. Test questions come from the Texas Commercial Motor Vehicle Drivers Handbook. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination Vehicles, Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving. Endorsements that may be used with a Class B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
To DMV Handbooks42. If coolant has to be added to a system without a recovery tank, you should:
Keep the vehicle running while adding coolant.
Open the radiator cap quickly.
Not use gloves to touch the radiator cap.
Wait for the engine to cool before adding coolant.