2024 CO CDL Practice Test: Class B - Test 5
Based on
2024 CO CDL Handbook
8. When checking your hydraulic brakes, pump the brake pedal three times and make sure you hold it down for ______. The brake pedal should not depress during this time.
A
15 seconds.
B
30 seconds.
C
10 seconds.
D
5 seconds.
E
23 seconds.