Practice question
Which statement is correct about if unsure which valve controls flow, stop and verify before operating valves?
- Transfer equipment does not need verification.
- Small leaks should be ignored until delivery.
- Grounding and bonding increase tank capacity.
- If unsure which valve controls flow, stop and verify before operating valves.
Answer: D — If unsure which valve controls flow, stop and verify before operating valves.
The correct answer is shown above. Try the full quiz for additional practice.
Practice more: Washington CDL Tanker Endorsement Test Practice Questions - Washington CDL Tanker Vehicles Endorsement Test Exam →