Oklahoma CDL Practice Test 2026

Practice question bank

Sample questions

1. To determine if a vehicle can handle a load, you must know:

   • The vehicle’s suspension rating. ✓
   • The tire rating for the front tires only.
   • The tire rating for the rear tires only.

   Vehicle Equipment & Safe Operation · Answer: A · Official handbook: Texas Commercial Driver License Handbook (DL-7C), Section 3 – Transporting Cargo Safely, p. 73

2. An encroachment is when:

   • A driver does not appear for their scheduled basic skills test.
   • A vehicle touches an exercise boundary line during the basic skills test. ✓
   • A driver fails one section of the basic skills test.

   General Driving Knowledge · Answer: B · Official handbook: Texas Commercial Driver License Handbook (DL-7C), Section 12 – Basic Control Skills Test, p. 172

3. When operating a truck requiring a CDL:

   • You are never required to wear a seat belt.
   • You are required to wear a seat belt, but only if transporting more than 500 pounds of cargo.
   • You must always wear a seat belt. ✓
   • You are required to wear a seat belt, but only if you are driving a tank vehicle.

   Sharing the Road · Answer: C · Official handbook: oklahoma.gov

4. Hydroplaning happens most often when:

   • A vehicle is traveling faster than 60 mph.
   • Tire pressure is too low. ✓
   • Tire tread is too deep.

   Bad Weather & Night Driving · Answer: B · Official handbook: Texas Commercial Driver License Handbook (DL-7C), Section 2 – Driving Safely, p. 42

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