Exams / HS&E Operatives / Pollution and spillages / Question 4
HS&E Operatives practice question: Pollution and spillages (4 of 7) A. Working environment A free question from our original HS&E Operatives practice exam. Try it, then open the answer to see why each option is right or wrong.
Last verified October 2026 against HSE guidance and the law ·How we write our questions
At the end of the day you finish using the site's fuel bowser.
What should you do before you leave it?
Choose one answer.
A A. Leave the key in it for the morning shiftB B. Lock its valves and nozzleC C. Leave the valve open so it is ready tomorrowD D. Park it next to a drain so any leak drains awayShow the answer and explanation Answer: B
A. Wrong: Wrong. The locks are there to stop tampering and leaks. Keep the key secure.B. Right: Right. NetRegs says make sure the locks are used when oil storage is not in use. This stops leaks and vandalism.C. Wrong: Wrong. An open valve could leak overnight or be tampered with.D. Wrong: Wrong. Fuel must be kept away from drains. A leak could reach a river or stream.Explanation Lock fuel bowsers and storage tanks when they are not in use, and keep them away from drains.
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