When refuelling a school bus, you must
- make sure all passengers are off the bus. ✓
- use specific gas stations.
- make sure you are almost out of gas before refuelling.
- check the oil.
Answer: A. make sure all passengers are off the bus.
When refuelling a school bus, make sure all passengers are off the bus.
Why this is the answer
The commercial driving guide has a short refuelling rule for school buses: everyone gets off the bus and the engine is shut off before you fuel. That means you clear the bus first, then refuel. The rule is written as a step you take every time you refuel, so it does not depend on where you stop or how much fuel is left in the tank. Keeping passengers off the bus and the engine off is the part the handbook ties directly to refuelling.
Why the other answers are wrong
- B. use specific gas stations. — The handbook gives no rule about choosing particular gas stations for a school bus, only about clearing the bus before refuelling.
- C. make sure you are almost out of gas before refuelling. — Nothing in the passages says you should run the tank nearly empty before refuelling; the refuelling rule is about passengers and the engine.
- D. check the oil. — Checking the oil is not what the handbook lists under refuelling for school buses; the requirement stated there is that passengers are off and the engine is off.
Remember it
Picture the school bus rule as two switches before the pump: bus empty of riders, engine off.