Fluid Mechanics for Chemical Quiz 4
1 / 50
Equivalent length of a pipe fitting is______?
2 / 50
Drag force acting on a body does not depend upon the______?
3 / 50
For a given Reynolds number, in a hydraulically smooth pipe, further smoothening _____ the friction factor?
4 / 50
Drag is the force component exerted on an immersed object, ?
5 / 50
For an ideal fluid flow, Reynolds number is_____?
6 / 50
For a stable equilibrium of a submerged body (where, G and B are centres of gravity & buoyancy respectively) ?
7 / 50
Enamels and paints are generally ________ fluid?
8 / 50
Discharge from a 24 inch pipe of water at 10 ft/sec will be ______ ft3/sec?
9 / 50
Each term of the Bernoulli?s equation written in the form, (p/?) + (g/gc). Z + (v2/2gc) = constant, represents the total energy per unit _________?
10 / 50
Foot valves provided in pumps are _____ valves?
11 / 50
For flow of fluids through packed bed, the superficial velocity is__________?
12 / 50
Euler?s equation of motion states, that at every point, the__________?
13 / 50
For a specific centrifugal air blower operating at constant speed & capacity, the power requirement and pressure vary________?
14 / 50
Drag co-efficient for flow past immersed body is the ratio of ______ to the product of velocity head and density?
15 / 50
Fluid flow at increasing rate through a diverging pipe is an example of _______ flow?
16 / 50
Flow rate of high velocity flue gas discharged through a stack to the atmosphere can be most conveniently measured by a __________?
17 / 50
Drag force on the float of a Rotameter is (where Q = flow rate of the)___________?
18 / 50
Erosion and pits formation on the impeller of a centrifugal pump may be due to_________?
19 / 50
Each term in Bernoulli?s equation represents the ______ of the fluid?
20 / 50
Flow measurement in an open channel is done by a/an _________?
21 / 50
f = 16/NRe, is valid for___________?
22 / 50
Drag co-efficient for motion of spherical particles in a stationary fluid in the stoke?s law range is__________?
23 / 50
Foot valve provided in the pump is a _______ valve?
24 / 50
Drag is defined as the force exerted by the_____?
25 / 50
Efficiency of power transmission (?) through a circular pipe is given by (ht ? hf)/ht, which has a maximum value of ______ percent?
26 / 50
Fluid flow in a/an _______ is an example of pressure flow?
27 / 50
For a given Reynold number as d/D for an orifice increases, Cd will (where, d & D are orifice & pipe diameters respectively)?
28 / 50
Foot valves are provided in the suction line of a centrifugal pump to ______?
29 / 50
Fanning equation is given by (?P/?) = 4f (L/D) (v2/2gc). It is applicable to ______ region flow?
30 / 50
Fluid resistance to shear depends upon its________?
31 / 50
Fanning friction factor for laminar flow of fluid in a circular pipe is______?
32 / 50
Draining of shallow pits or sump is done by a sump pump, which is a _______ pump?
33 / 50
For a given fluid flow rate, which of the following incurs maximum head loss ?
34 / 50
Drag co-efficient CD, in Stoke?s law range is given by_________?
35 / 50
For an unstable equilibrium of a floating body (where, M = metacentre.) ?
36 / 50
For a reciprocating pump, the indicator diagram is the graph between the_________?
37 / 50
During ageing of fluid carrying pipes, the___________?
38 / 50
Fluid flow through a packed bed is represented by the _______ equation?
39 / 50
Discharge in laminar flow through a pipe varies_________?
40 / 50
Existence of boundary layer in fluid flow is because of the__________?
41 / 50
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_________?
42 / 50
Fluidised beds are formed, when the___________?
43 / 50
Fanning friction factor equation applies to the ______ fluid flow?
44 / 50
For a fluid rotating at constant angular velocity about vertical axis as a rigid body, the pressure intensity varies as the_____?
45 / 50
Euler?s equation of motion is a statement expressing______?
46 / 50
Experimental study of laminar fluid flow through a circular tube was conducted by______?
47 / 50
Fanning friction factor is equal to (where, fB = Blasius friction factor) ?
48 / 50
For an incompressible fluid, the bulk modulus of elasticity is______?
49 / 50
Drag co-efficient in hindered settling is ______ that in free settling?
50 / 50
For a particle settling in water at its terminal settling velocity, which of the following is true ?
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