Fluid Mechanics for Chemical Quiz 4

1 / 50

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

2 / 50

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

3 / 50

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

4 / 50

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

5 / 50

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

6 / 50

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

7 / 50

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

8 / 50

**Fluidised beds are formed, when the___________?**

9 / 50

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

10 / 50

**Euler?s equation of motion is a statement expressing______?**

11 / 50

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

12 / 50

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

13 / 50

**During ageing of fluid carrying pipes, the___________?**

14 / 50

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

15 / 50

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

16 / 50

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

17 / 50

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

18 / 50

**Fluid resistance to shear depends upon its________?**

19 / 50

**Foot valves provided in pumps are _____ valves?**

20 / 50

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

21 / 50

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

22 / 50

**Foot valve provided in the pump is a _______ valve?**

23 / 50

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

24 / 50

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

25 / 50

**Equivalent length of a pipe fitting is______?**

26 / 50

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

27 / 50

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

28 / 50

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

29 / 50

**Drag is defined as the force exerted by the_____?**

30 / 50

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

31 / 50

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

32 / 50

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

33 / 50

**Fanning friction factor equation applies to the ______ fluid flow?**

34 / 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_________?**

35 / 50

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

36 / 50

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

37 / 50

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

38 / 50

**f = 16/NRe, is valid for___________?**

39 / 50

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

40 / 50

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

41 / 50

**Enamels and paints are generally ________ fluid?**

42 / 50

**Discharge in laminar flow through a pipe varies_________?**

43 / 50

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

44 / 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 _________?**

45 / 50

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

46 / 50

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

47 / 50

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

48 / 50

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

49 / 50

**For an ideal fluid flow, Reynolds number is_____?**

50 / 50

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

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