2026 Oklahoma Cdl Combination - Test 1

The following questions are from real Oklahoma CDL practice tests. After selecting the answer, you can see the explanation. After confirming, click "Next" to jump to the next question.

ADVERTISEMENT(PageType: test | Position: dmvtestinfo-test-1)

1. To find out if a vehicle that was built before 1998 has an Anti-Lock Braking System (ABS), you can:

Pump the air brakes to activate the ABS.
Look into the back of the fifth wheel.
Check for wheel speed sensors coming from the back of the brakes.
ADVERTISEMENT(PageType: test | Position: dmvtestinfo-test-2)

Frequently Asked Questions