Fluid-mechanics Questions Set 44:
Calculate the specific weight of the oil vessel with a volume of 4 m³ that contains 30 kN of oil.
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Which of the following is the third principle in fluid mechanics?
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If the surface tension at the soap-air interface is 0.088 N/m, the internal pressure in a soap bubble of 2 cm diameter would be
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When 0.1 m³/s water flows through a pipe of area 0.25 m², which later reduces to 0.1 m², what is the velocity of flow in the reduced pipe?
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The velocity of a water stream is being measured by an L-shaped Pitot-tube, and the reading is 15 cm. What is the approximate value of the velocity? Given: g = 10 m/s²
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In an iceberg, 15% of the volume projects out of the sea surface. If the unit weight of sea water is 10.5 kN/m³, then find the unit weight of the iceberg in kN/m³.
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According to Archimedes' principle, the upward buoyant force exerted on a body immersed in a fluid is equal to the _______ of the fluid displaced by the body.
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In a streamline steady flow, two points A and B on a streamline are 1 m apart and the flow velocity varies uniformly from 2 m/s to 5 m/s. What is the acceleration of the fluid at point B?
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Two fluids 1 and 2 have mass densities of p1 and p2 respectively. If p1 > p2, which one of the following expressions will represent the relation between their specific volumes v1 and v2?
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What is the relationship between the head of a centrifugal pump and the diameter and speed of the impeller?
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