Fluid-mechanics Questions Set 18:
At which temperature is the density of a fluid maximum?
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What is the specific gravity of an oil whose specific weight is 7.85 kN/m³?
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If water is entering a tank at 13 m/s, find the loss due to the entrance. (g = 9.81 m/s²)
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What is the total included angle of the short converging conical section in a Venturimeter?
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Water flows between a stationary plate and a moving plate with velocity V. What is the velocity of the fluid in contact with the stationary plate?
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The force caused by the attraction of particles in the surface layer of a fluid in bulk is called?
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The velocity for flow through a pipe, measured at the center, is found to be 5 m/s. The Reynolds number is around 800. What is the average velocity in the pipe?
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By applying Bernoulli's equation to a horizontal venturimeter, which of the following terms becomes equal?
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A beaker is filled with a liquid up to the mark of one litre and weighed. The weight of the liquid is found to be 6.5 N. What is the specific weight of
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A rough pipe of 0.5 m diameter, 300 m length and roughness height of 0.25 mm, carries water (kinematic viscosity = 0.9 x 10-6 m2/s) with velocity of 3m/s. Friction factor (f) for laminar flow is given by f = 64/Re, and for turbulent flow it is given by
1/√f = 2log10 (r/k) +1.74
Where, Re = Reynolds number
r = radius of pipe
k = roughness height and g = 9.81 m/s2. The head loss (in m, up to 3 decimal places) in the pipe due to friction is_____.
Solution:
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