EXAMIANS
The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s).
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Cavitation in a centrifugal pump results from
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A lubricant 100 times more viscous than water would have a viscosity (in Pa.s)
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For an incompressible fluid, the bulk modulus of elasticity is
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Laminar flow is characterised by the nonexistence of
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__________ is an example of axial flow impeller.
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A centrifugal pump is used to pump water through a horizontal distance of 150 m, and then raised to an overhead tank 10 m above. The pipe is smooth with an I.D of 50 mm. What head (m of water) must the pump generate at its exit (E) to deliver water at a flow rate of 0.001 m³/s? The Fanning friction factor, f is 0.0062.
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For the transfer of solution of thick slurry, the pump used is a __________ pump.
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The hydrodynamic and thermal boundary layers will merge, when
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The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct)
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