For ideal no frictional losses flow of an Stephanie @The Saylor Fluid

Question 3 / 40: For ideal (no frictional losses) flow of an incompressible fluid through a sudden expansion, which of the following best describes how the Bernoulli equation predicts that the pressure will change?

A The pressure will be lower after the expansion than before.

B The pressure will be the same before and after the expansion.

C The pressure will be larger after the expansion than before.

D The flow will stagnate after the expansion.

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Explanation:

Since the fluid is incompressible, the fluid velocity will be slower after the expansion. Hence the pressure must rise.

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https://www.jobilize.com/fluid-mechanics-mcq-quiz-by-stephanie-redfern-tuan-dinh

Fluid Mechanics ME201

Author:

Stephanie Redfern

The Saylor Foundation

USA

Access: Public Instant Grading

Attribution: Stephanie Redfern and Tuan Dinh. Fluid Mechanics. The Saylor Academy 2014, http://www.saylor.org/courses/me201/

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