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.Management Sciences
Category: Fluid Mechanics for Chemical
Drag co-efficient CD, in Stoke’s law range is given by________________?
0
A. CD = 16/Re.p
B. CD = 24/Re.p
C. CD = 18.4/Re.p
D. CD = 0.079/Re
0.25.p
A Newtonian fluid is that__________________?
A. Which follows Newton’s law of motion
B. Which needs a minimum shear, before it starts deforming
C. For which shear & deformation are related as T = μ (∂u/∂y)
D. None of these
Discharge from a 24 inch pipe of water at 10 ft/sec will be _____________ ft3/sec?
A. 7.65
B. 32.36
C. 48.22
D. 125.6
The discharge through a rectangular weir varies as ___________________?
A. H1/2
B. H5/2
C. H2/5
D. H3/2
With increase in temperature, the vapor pressure of liquids__________________?
A. Increases
B. Increases linearly
C. Decreases
D. Remain constant
With the increase in depth, the hydrostatic pressure in an un-accelerated incompressible fluid (in a constant gravitational field) ?
A. Decreases
B. Increases linearly
C. Increases exponentially
D. Remain constant
Speed of sound in an ideal gas depends on its________________?
A. Temperature
B. Pressure
C. Specific volume
D. None of these
In an incompressible flow of fluid, the fluid ________________?
A. Temperature remains constant
B. Compressibility is greater than zero
C. Density does not change with pressure & temperature
D. Is frictionless
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