2024 OK CDL Practice Test: Tank - Test 3 Based on 2024 OK CDL Handbook 7. Another name for an un-baffled liquid tanker is _______. A Edgeless tanks. B Smooth-bare tanks. C Smooth-bore tanks. D Slick tanks. Next More 7/30 Progress 0 Errors Restart Next Next Tank - Test 3 Back to Test List Tank - Test 2 Tank - Test 4 Challenge Library 12 More OK CDL Practice Tests 32 Tank - Test 4 33 Tank - Test 5 34 Air Brakes - Test 35 All - Test 36 All - Test 2 37 All - Test 3 38 Tank and Hazmat - Test 39 Tank and Hazmat - Test 2 40 Class C - Test 41 Class C - Test 2