288. Euler's equation for motion of liquids is based on the assumption that the
A.Flow is streamline
B.Flow takes place continuously
C.Flow is homogeneous and incompressible
D.Flow is turbulent

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289. In case of a two dimensional flow the components of velocity are given by u= ax ;v = by, the streamlines will consist of a series of
A.Circular arcs
B.Parabolic arcs
C.Hyperbolic arcs
D.Elliptical arcs

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290. In case of a two dimensional flow, if the components of vcelocity are given by u= ax ;v = by, the point where no motion occurs, is known as
A.Critical point
B.None of the above.
C.Stagnation point
D.Stationary point

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291. As pump speed increases, its NPSH (net positive suction head) requirement
A.Increases
B.Decreases
C.Remains unaffected
D.May increase/decrease depending on other considerations

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292. For pipe flows, at constant diameter, head is proportional to
A.Flow
B.(flow)2
C.(flow)3
D.1/flow

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293. For pipe flow, at constant diameter, capacity is proportional to
A.1lhead
B.Head
C.Head3/2
D.Head2

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294. Friction factor for pipes depends on
A.Rate of flow
B.All of the above.
C.Viscosity
D.Pipe roughness

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