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Six Cylinder Engine

Science brain teasers require understanding of the physical or biological world and the laws that govern it.

 

Puzzle ID:#10155
Fun:*** (2.4)
Difficulty:** (1.67)
Category:Science
Submitted By:dumbell****
Corrected By:cnmne

 

 

 



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?


Answer

None - only petrol (gasoline) engines use spark plugs.
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Comments

OD-1Aca*
Feb 07, 2003

GOOD ONE
golfer132003
Feb 10, 2003

This is true, but now not all gasoline engines use spark plugs.
dus10jones
Jan 12, 2004

Good one!! Diesel engines don't need spark plugs. "Autocombustion" takes the place of the spark plugs. Diesel engines use a higher compression ratios than standard gas powered engines. The higher compression ratio forces the diesel gas to combust on its own. Diesel engines are better for low powered torque.
vbguy101*us*
Aug 24, 2006

You also could've put it in the trick section.
bookworm91***
Apr 16, 2007

Cool teaser! I, knowing nothing about engines, had absolutely no idea. Now I know something

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