"Joe AutoDrill" wrote in
news:k5tTi.1314$Gq2.864@trnddc01:

Such as the intake stroke bringing air in. Air pressure is the
correct answer but 'suction' should also be correct, by definition.

Someone said that suction can't exist without air in the first place.


Fun little time waster though, eh?

Regards,
Joe Agro, Jr.

They are mutually dependant, or IOW, one cannot exist without the other.
Thus, both answers are right.

Puckdropper
--
Wise is the man who attempts to answer his question before asking it.

To email me directly, send a message to puckdropper (at) fastmail.fm