COLORADO CDL
PRACTICE TEST
Question 1: Which combination of vehicles generally requires a Class A CDL in
Colorado?
Choices:
1) A combination with a GCWR of 26,001 pounds or more when the towed vehicle has a GVWR over 10,000 pounds 2) A single vehicle weighing exactly 10,000 pounds 3) A single vehicle with a GVWR of 20,000 pounds 4) Any passenger car towing a utility trailer Correct Answer: A combination with a GCWR of 26,001 pounds or more when the towed vehicle has a GVWR over 10,000 pounds Explanation: Class A generally covers combination vehicles with a GCWR of 26,001 pounds or more when the vehicle being towed has a GVWR greater than 10,000 pounds.Page 1
Question 2: Which vehicle best �ts the basic Class B CDL de�nition?
Choices:
1) A single vehicle with a GVWR of 26,001 pounds or more, including one towing a vehicle of 10,000 pounds GVWR or less 2) Only a vehicle carrying hazardous materials 3) Any vehicle designed for fewer than 16 occupants 4) A combination in which the trailer alone exceeds 10,000 pounds and the combination exceeds 26,001 pounds Correct Answer: A single vehicle with a GVWR of 26,001 pounds or more, including one towing a vehicle of 10,000 pounds GVWR or less Explanation: Class B applies to a single vehicle rated at 26,001 pounds or more, and it may tow a vehicle rated at 10,000 pounds or less.Question 3: A Class C CDL may be required for a vehicle that does not meet Class A
or B weight de�nitions when the vehicle:
Choices:
1) Transports 16 or more people including the driver or carries placarded hazardous materials 2) Has more than two axles 3) Has four-wheel drive 4) Is used only on private property Correct Answer: Transports 16 or more people including the driver or carries placarded hazardous materials Explanation: Class C covers certain vehicles outside Class A and B that are designed to transport 16 or more people including the driver, or that carry hazardous materials requiring placards.Page 2
Question 4: After a Colorado Commercial Learner Permit is issued, how long must it generally be held before the CDL skills test?
Choices:
1) 30 calendar days 2) 14 calendar days 3) 10 calendar days 4) 7 calendar days
Correct Answer: 14 calendar days
Explanation: Colorado requires a CLP to be held for at least 14 calendar days before the applicant may take the CDL skills test.
Question 5: What is the main purpose of a pre-trip vehicle inspection?
Choices:
1) To determine the resale value of the vehicle 2) To calculate fuel economy 3) To make the vehicle easier to wash 4) To �nd safety problems before they cause a breakdown or crash Correct Answer: To �nd safety problems before they cause a breakdown or crash Explanation: A pre-trip inspection is intended to identify unsafe conditions and mechanical defects before the vehicle is operated.Page 3