Fluid-mechanics Questions Set 63:
What is the specific gravity of an oil whose specific weight is 9 kN/m³?
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Laminar flow is taking place in a pipe of diameter 0.3 m. The maximum velocity is 1.8 m/s. Then the mean velocity is
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Which of the following is not a desirable property of an ideal manometric fluid?
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A pilot tube is installed in the center of a pipe 85mm diameter. If the water rise in the tube is 300mm, the velocity of water will
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The velocity field in a fluid medium is given by v̂ = 10x²tyi + 15xtj + (25t - 3xy)k. Determine the velocity vector w if t = 0.5 seconds.
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The property of a system that depends on mass, momentum, internal energy, and entropy is called the:
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The isentropic enthalpy drop in the moving blades of a turbine is one-fourth of the isentropic enthalpy drop in the fixed blades. What will be the degree of reaction?
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If the masses of the two components in a density mixture are equal, i.e., m1 = m2 = m, what is the formula to calculate the density of the mixture?
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A vertical triangular plate with a base of 7 m and a height of 4 m is placed in water such that the distance between the base of the plate and the water surface is 6 m. Calculate the total pressure force acting on the vertical plate.
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A right circular cylinder, open at the top, is filled with a liquid of relative density 1.2. It is rotated about its vertical axis at such speed that half of the liquid spills out. The pressure at the center of the bottom will be:
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