Q101
Open questionMach number is the ratio of the speed of the
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Chemical Engineering · all questionsFluid Mechanics
Fluid Mechanics
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Q102
Open questionWhich of the following valves will incur maximum pressure drop for the same discharge of water?
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Q103
Open questionIf more than two branches of pipes are to be connected at the same point, then use a/an
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Q104
Open questionWhich law is followed by the velocity distribution in the turbulent boundary layer?
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Q105
Open questionWith increase in temperature, the vapor pressure of liquids
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Q106
Open questionKinetic energy of fluid per unit weight represented by the velocity head is given by
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Q107
Open questionA bed consists of particles of density 2000 kg/m3. If the height of the bed is 1.5 metres and its porosity 0.6, the pressure drop required to fluidise the bed by air is
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Q108
Open questionWhich of the following is most prone to pulsating discharge flow ?
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Q109
Open questionFanning friction factor equation applies to the __________ fluid flow.
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Q110
Open questionMost commonly used joint in the underground pipe lines is the
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Q111
Open questionPascal's law is valid, only when the fluid is
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Q112
Open questionFriction factor for a hydraulically smooth pipe at NRe = 2100 is f1. If the pipe is further smoothened (i.e., roughness is reduced), the friction factor at the same value of NRe, will
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Q113
Open questionTwo piping system are said to be equivalent, when the __________ are same.
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Q114
Open questionThe pressure at a point in a fluid is not the same in all directions, when the fluid is viscous and
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Q115
Open questionIn fluid flow, the stagnation point is defined as a point, where the __________ is zero.
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Q116
Open questionA particle A of diameter 10 microns settles in an oil of specific gravity 0.9 and viscosity 10 poise under Stoke's law. A particle B with diameter 20 microns settling in the same oil will have a settling velocity
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Q117
Open questionA rectangular surface 3' x 4', has the lower 3 edge horizontal and 6' below a free oil surface (sp. gr. 0.8). The surface inclination is 300 with the horizontal. The force on one side of the surface is(where, y = specific weight of water)
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Q118
Open questionDimension of surface tension is (where, F = force, L = length)
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Q119
Open questionIn fluid flow, cavitation is caused, if the
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Q120
Open questionWhen the momentum of one fluid is used for moving another fluid, such a device is called a/an
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