Q. Cavitation in a centrifugal pump results from

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Q. For turbulent flow of newtonion fluid in a circular cross-section pipe, the ratio of maximum to average fluid velocity is

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Q. Power required by a centrifugal pump is proportional to (where, D = diameter, N = r.p.m)

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Q. Equivalent length of a pipe fitting is

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Q. Buckingham-π theorem states that in any physical problem including 'n' quantities having 'm' diamensions, the quantities can be arranged into __________ independent dimensionless parameters.

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Q. A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid.

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Q. Existence of boundary layer in fluid flow is because of the

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Q. A globe valve is the most suitable for applications, in which

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Q. __________ isused for measuring the static pressure exerted on the wall by a fluid flowing parallel to the wall in a pipeline.

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Q. One stoke (unit of kinematic viscosity) is equivalent to

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Q. Air vessel of a reciprocating pump is initially filled with

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Q. The ratio of inertial forces to gravity forces is called the __________ number.

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Q. Air vessel provided in a reciprocating pump is for

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Q. A hydraulic accumulator comprises of

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Q. Bernoulli's equation for steady, frictionless, continuous flow states that the __________ at all sections is same.

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Q. A tube is specified by its

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Q. Uniform fluid flow occurs, when the derivative of the flow variables satisfy the following condition.

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Q. Prandtl mixing length is

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Q. The hydraulic diameter of an annulus of inner and outer radii Rᵢ and R₀ respectively is

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Q. Ratio of inertial forces to surface tension forces is called the __________ number.

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