2024 CA CDL Practice Test: All - Test Based on 2024 CA CDL Handbook 14. What vehicles must be equipped with emergency brakes and parking brakes? A Trucks. B All of the listed answers. C Truck tractors. D Buses. Next More 14/30 Progress 0 Errors Restart Next Next All - Test Back to Test List Air Brakes - Test All - Test 2 Challenge Library 12 More CA CDL Practice Tests 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 42 Class C - Test 3 43 Class C - Test 4 44 Class C - Test 5 45 Bus - Test