Fluid Mechanics for Chemical Quiz 4

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

Efficiency of power transmission (?) through a circular pipe is given by (ht ? hf)/ht, which has a maximum value of ______ percent?

Fluidised beds are formed, when the___________?

Euler?s equation of motion states, that at every point, the__________?

Foot valves provided in pumps are _____ valves?

f = 16/NRe, is valid for___________?

For a reciprocating pump, the indicator diagram is the graph between the_________?

Drag co-efficient for motion of spherical particles in a stationary fluid in the stoke?s law range is__________?

Discharge in laminar flow through a pipe varies_________?

Euler?s equation of motion is a statement expressing______?

Foot valve provided in the pump is a _______ valve?

Existence of boundary layer in fluid flow is because of the__________?

For a given Reynolds number, in a hydraulically smooth pipe, further smoothening _____ the friction factor?

For a given Reynold number as d/D for an orifice increases, Cd will (where, d & D are orifice & pipe diameters respectively)?

For a specific centrifugal air blower operating at constant speed & capacity, the power requirement and pressure vary________?

Fanning friction factor for laminar flow of fluid in a circular pipe is______?

Discharge from a 24 inch pipe of water at 10 ft/sec will be ______ ft3/sec?

Fluid flow through a packed bed is represented by the _______ equation?

Flow measurement in an open channel is done by a/an _________?

Drag co-efficient in hindered settling is ______ that in free settling?

For a stable equilibrium of a submerged body (where, G and B are centres of gravity & buoyancy respectively) ?

Fanning equation is given by (?P/?) = 4f (L/D) (v2/2gc). It is applicable to ______ region flow?

Drag co-efficient for flow past immersed body is the ratio of ______ to the product of velocity head and density?

For a fluid rotating at constant angular velocity about vertical axis as a rigid body, the pressure intensity varies as the_____?

Fluid resistance to shear depends upon its________?

Draining of shallow pits or sump is done by a sump pump, which is a _______ pump?

Drag is defined as the force exerted by the_____?

For an ideal fluid flow, Reynolds number is_____?

Drag force acting on a body does not depend upon the______?

Fanning friction factor equation applies to the ______ fluid flow?

Fluid flow at increasing rate through a diverging pipe is an example of _______ flow?

Each term in Bernoulli?s equation represents the ______ of the fluid?

For a given fluid flow rate, which of the following incurs maximum head loss ?

For a particle settling in water at its terminal settling velocity, which of the following is true ?

Fluid flow in a/an _______ is an example of pressure flow?

For flow past a flat plate, if ?x? is the distance along the plate in the direction of flow, the boundary layer thickness is proportional to_________?

Erosion and pits formation on the impeller of a centrifugal pump may be due to_________?

For flow of fluids through packed bed, the superficial velocity is__________?

Fanning friction factor is equal to (where, fB = Blasius friction factor) ?

Drag co-efficient CD, in Stoke?s law range is given by_________?

Enamels and paints are generally ________ fluid?

Equivalent length of a pipe fitting is______?

Foot valves are provided in the suction line of a centrifugal pump to ______?

Each term of the Bernoulli?s equation written in the form, (p/?) + (g/gc). Z + (v2/2gc) = constant, represents the total energy per unit _________?

Drag is the force component exerted on an immersed object, ?

Experimental study of laminar fluid flow through a circular tube was conducted by______?

During ageing of fluid carrying pipes, the___________?

Drag force on the float of a Rotameter is (where Q = flow rate of the)___________?

Flow rate of high velocity flue gas discharged through a stack to the atmosphere can be most conveniently measured by a __________?

For an incompressible fluid, the bulk modulus of elasticity is______?