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Fluid Mechanics

Fluid Mechanics
The ratio of inertial forces to elastic forces is called the __________ number.

Euler
Weber
Reynolds
Mach

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Fluid Mechanics
The fluid velocity varies as the square root of the cylindrical pipe diameter in case of steady state laminar flow at constant pressure drop fo __________ fluid.

Dilatant
Newtonion
Bingham plastic
Pseudoplastic

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Fluid Mechanics
The distance between metacentre and __________ is called metacentric height.

Water surface
Centre of gravity
None of these
Centre of buoyancy

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Fluid Mechanics
Unit of mass velocity is

Kg/m³. hr
Kg/hr
Kg/m². hr
Kg/m²

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Fluid Mechanics
The length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the __________ length.

Transition
None of these
Prandtl mixing
Equivalent

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Fluid Mechanics
While starting an axial flow pump, its delivery valve should be kept

None of these
Open
Either open or closed
Closed

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MORE MCQ ON Fluid Mechanics

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