Six Cylinder EngineScience brain teasers require understanding of the physical or biological world and the laws that govern it.
Engineers are working on a new six-cylinder diesel engine. It will have a 1.2 litre capacity. The average speed of use is 2,000 revolutions per minute. However the engine can only work at temperatures of up to 500 degrees Celsius.
How many spark plugs would an experienced engineer recommend to be put in the engine?
AnswerNone - only petrol (gasoline) engines use spark plugs.
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