2024 WY CDL Practice Test: Class B - Test 3 Based on 2024 WY CDL Handbook 26. What is a “wig wag”? A A tube that carries air to the brakes B A type of air brake system C A low pressure warning system Next More 26/29 Progress 0 Errors Restart Next Next Class B - Test 3 Back to Test List Class B - Test 2 Class B - Test 4 Challenge Library 12 More WY CDL Practice Tests 12 Class B - Test 4 13 Class B - Test 5 14 Class B - Test 6 15 Class B - Test 7 16 HazMat - Test 17 HazMat - Test 2 18 HazMat - Test 3 19 HazMat - Test 4 20 HazMat - Test 5 21 HazMat - Test 6