Q. Which of the following denotes the effect of compressibility in fluid flow ?

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Q. Nominal size of the discharge pipe of a pump is usually __________ the nominal size of the inlet pipe.

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Q. The terminal velocity of a small sphere settling in a viscous fluid varies as the

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Q. If the discharge of a centrifugal pump is throttled, then its suction lift

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Q. Foot valves provided in pumps are __________ valves.

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Q. With increasing flow rate, the hydraulic efficiency of a centrifugal pump

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Q. The velocity profile for turbulent flow through a closed conduit is

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Q. In case of hydraulically smooth pipe, the resistance to flow depends only on the Reynolds number, whereas for a hydraulically rough pipe, the resistance to flow is governed by the relative roughness. Two pipes are said to have the same hydraulic roughness, when they have equal values of

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Q. Water hammer in a pipeline results from the

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Q. Molten soap mass is transported by a __________ pump.

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Q. At high Reynolds number

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Q. Power loss in an orificemeter is __________ that in a venturimeter.

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Q. The terminal velocity of a particle moving through a fluid varies as dₚⁿ. What is the value of 'n' for Newton's law regime ?

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Q. What is the normal range of exit cone angle of a venturimeter ?

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Q. The dimension of dynamic viscosity is

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Q. Co-efficient of velocity is __________ the coefficient of discharge.

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Q. All pipes of a particular nominal size have the same

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Q. For the transfer of solution of thick slurry, the pump used is a __________ pump.

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Q. Which of the following is not concerned with the fluid-particle interaction ?

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Q. Maximum theoretical suction lift for water at 15°C by a centrifugal pump is 34 ft. The same for water at 90°C will be __________ ft.

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