2024 MA CDL Practice Test: All - Test 2
Based on
2024 MA CDL Handbook
10. What are glad hands?
A
They refer to the coupling device used to connect the emergency line and air supply line.
B
They refer to the coupling device used to connect the service and supply lines of the trailer to the truck or tractor.
C
They refer to the left lane of the street.
D
They refer to the right lane of the street.