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categoryهندسة ميكانيكية
schoolبكالوريوس
event_available2026-07-13
السؤال
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Question 1 (2.5 points)
Water flows through a multisectional pipe placed horizontally on the ground. The velocity is 3.0 m/s
at the entrance and 2.1 m/s at the exit. What is the pressure difference between these two points?
Neglect friction.
0.2 kPa
2.3 kPa
28 kPa
110 kPa
JS
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Question 2 (2.5 points)
Total pressure is what acts on you as you face into the wind and the air collides with your
body. Dynamic pressure is the pressure of a fluid that results from its motion. It is
the difference between the total pressure and static pressure.
True
False
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Question 3 (2.5 points)
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