2024 OK CDL Practice Test: All - Test 3
Based on
2024 OK CDL Handbook
8. What are glad hands?
A
They refer to the coupling device used to connect the service and supply lines of the trailer to the truck or tractor.
B
They refer to the coupling device used to connect the emergency line and air supply line.
C
They refer to the right lane of the street.
D
They refer to the left lane of the street.