PRC Engineering Practice Test & Exam Prep | Philippines

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According to Bernoulli's equation for inviscid, incompressible flow, what happens to the static pressure of a fluid when its velocity increases along a streamline?

The static pressure remains constant because total pressure changes. The static pressure decreases to balance the increase in dynamic pressure. The static pressure increases proportionally to the square of the velocity. The static pressure drops to zero immediately when any flow is initiated.

Correct Answer:

The static pressure decreases to balance the increase in dynamic pressure.

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