Fluid-mechanics Questions Set 14:
For which type of flow is Bernoulli's equation valid?
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What is the ratio of maximum velocity to average velocity in laminar flow between two parallel plates?
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Froude's number is the ratio of inertia force to gravity force.
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What is the primary cause of minor energy losses that occur when fluid flows through a pipe?
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What is the region adjacent to the solid surface of the plate called in the turbulent boundary layer zone?
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A hydraulic turbine develops 10,000 kW of power for a head of 50 m. If the head is reduced to 30 m, the power developed (in kW) is
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A manometric liquid should suitably have _____.
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A rectangular channel with a width of 2.5 m and a depth of 1.25 m is constructed to carry water at a slope of 1.945 × 10⁻³. What should be the minimum size of the bed particle to prevent scouring and silting?
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The Reynolds number is found for a flow in a circular pipe. This circular pipe is then converted into a square pipe, keeping the length of the pipe the same. Ignoring the thickness of the pipe, the Reynolds number changes by:
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In a U-tube manometer, one end is open to the atmosphere, and the other end is attached to a pressurized gas with a gauge pressure of 40 kPa. The height of the fluid column on the atmospheric side is 60 cm, and the height on the gas side is 30 cm. What is the manometric fluid used? (Take g = 9.8 m/s2)
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