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Fluid Mechanics

Fluid Mechanics
Slurries can be most conveniently pumped by a __________ pump.

Reciprocating
Screw
Gear
Centrifugal

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Fluid Mechanics
For turbulent fluid flow in pipe, the expression for Prandtl one seventh power law is (where, r = pipe radius, x = distance).

None of these
V/Vmax = (x.r)1/7
V/Vmax = (r/x)1/7
V/Vmax = (x/r)1/7

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Fluid Mechanics
For pipes that must be broken at intervals for maintenance, the connector used should be a/an

Tee
Elbow
Reducer
Union

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Fluid Mechanics
Specific speed of a centrifugal pump relates it with another pump having the

Same speed
Same efficiency
Dynamic similarity
Geometrical similarity

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Fluid Mechanics
The dimension of kinematic viscosity is

ML⁻²T⁻¹
ML⁻²T⁻²
None of these
L²T⁻¹

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Fluid Mechanics
Which of the following is used for very accurate measurement of flow of gas at low velocity?

Segmental orificemeter
Pitot tube
Hot wire annemometer
Rotameter

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