Problems with static electricity
1 mark · EasyState one reason why static electricity can be dangerous when refuelling vehicles.
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A build-up of static electricity could cause a spark, which might ignite fuel and cause an explosion or fire.
Also accept: A spark from static electricity could ignite flammable fuel.; A static discharge could cause a fire or explosion if it occurs during refuelling.
Common mistakes: Saying static causes a shock without mentioning fire or explosion.
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Marking points
B1 · 1 mark · States danger relates to sparking/ignition of fuel/fire or explosion; not just a shock.
Worked solution
Static electricity can build up while refuelling, and a spark could ignite the fuel, causing a fire or explosion.