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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