2024 MO CDL Practice Test: Double and Triples - Test 3
Based on
2024 MO CDL Handbook
5. What are hose couplers?
A
It's used for A-shaped tongues and it’s made to withstand heavy duty towing.
B
This mounting style coupler locks on by sliding into the round shank tongue and welds on it.
C
A hose coupling is a piece of equipment used to connect a hose with something else, like a tap, sprinkler, pump or another hose.
D
This is a style for the straight tongue and it’s the most basic one.