Maintenance cost of a __________ pump for a particular duty is the least.
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Chemical Engineering · all questionsFluid Mechanics
Fluid Mechanics
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For a given Reynold number as d/D for an orifice increases, Cd will (where, d & D are orifice & pipe diameters respectively).
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Vena-contracta pressure tapping is at a distance __________ from the position of an orificemeter fitted in a pipe of internal diameter 'd'
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I.D. of 1/4" schedule 40 pipe is 0.364". I.D. of a 1/2" schedule 40 pipe would be __________ inch
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The valve commonly used in pipes larger than 2" dia is a
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If in a flow field, between any two points, then the flow must be
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Which of the following factors does not contribute to the pressure drop in a pipeline ?
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A piezometer provided in the pipe measures
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Air vessel of a reciprocating pump is initially filled with
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The hydraulic diameter of an annulus of inner and outer radii Ri and Ro respectively is
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A centrifugal pump loses prime after starting. The reason of this trouble may be
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For a specific centrifugal air blower operating at constant speed & capacity, the power requirement and pressure vary
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The range of a particular rotameter can be increased by
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Two liquids manometer is used for measuring small pressure differences in
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Pick out the wrong statement about a streamline.
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When larger particles e.g., grains are subjected to fluidisation, the corresponding bed produced is termed as the __________ bed.
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Co-efficient of velocity is __________ the coefficient of discharge.
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Hydraulic mean depth (Dm) for a circular pipe of diameter 'D' flowing full is 0.25 D. For a circular channel, at Dm = 0.3 D, gives the condition for the maximum
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Which of the following has the minimum compressibility?
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Q100
Open questionCd for the orifice plate varies from
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