On Tue, 23 Oct 2007 13:38:20 -0700, "Dan Coby"
wrote:

#44. Another ambiguous question. I finally chose C (in tube A only). I had initially
selected A (higher in tube A then tube B) but changed to C.

This is a very obvious one -- _if_ you remember that it's for a vehicle
company. Bernoulli's principle (the pressure drops if the flow velocity
speeds up) is a key part of how petrol carburettors work.