74/470.
4.
Before driving a tank, you should:
Check pipes, connections, and hoses for leaks.
Make sure manhole covers do not have gaskets.
Ensure all valves are open.
Open the drain valves.
22 28446 CDL 73 A "" 0

Answer correctly : 0   |   Wrong : 0

Answer Sheet :

Refresh

Refresh this page and redo the question

Restart

Restart this set of tests