Q. What is the co-efficient of contraction, if a fluid jet discharging from a 50 mm diameter orifice has a 40 mm diameter at its vena-contracta ?

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Q. For an unstable equilibrium of a floating body (where, M = metacentre.)

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Q. Pressure drop in packed bed for turbulent flow is given by the __________ equation.

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Q. In the complete turbulence zone (in rough pipes), the

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Q. Which of the following has the minimum compressibility ?

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Q. In case of centrifugal fan or blower, the gas capacity varies as

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Q. Pick out the wrong statement.

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Q. Purpose of relief valve in a reciprocating pump is to

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Q. Select the correct statement.

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Q. In case of turbulent flow of fluid through a circular pipe, the

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Q. For the same terminal conditions and valve size, the pressure drop in a fully opened globe valve as compared to that in a gate valve is

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

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Q. What is the maximum theoretical suction lift (metres) of a reciprocating pump ?

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Q. The terminal velocity of a particle moving through a fluid varies as dₚⁿ. The value of n is equal to __________ in Stoke's law regime.

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Q. Function of air vessel provided in a reciprocating pump is to

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Q. The Prandtl pitot tube measures the

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Q. Vena-contracta formed during flow of a liquid through an orificemeter has

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Q. As per Newton's law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to(where, μ = fluid viscosity)

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Q. Horsepower increase of a centrifugal gas compressor without altering the volumetric flow rate will __________ the gas discharge pressure.

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Q. In continuous fluidisation

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