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Fluid Mechanics for Chemical Quiz 9

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Fluid Mechanics for Chemical Quiz 9

1 / 50

Purpose of air lift pump is to______?

2 / 50

Priming of a centrifugal pump is done to_____?

3 / 50

Sewage sludge is an example of the _______ fluid?

4 / 50

Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition.

5 / 50

Rotary vacuum pumps can reduce the absolute pressure to as low as __________ mm Hg ?

6 / 50

Select the correct statement?

7 / 50

Schedule number of a pipe, which is a measure of its wall thickness, is given by _________?

8 / 50

Scale up of agitator design requires_________?

9 / 50

Steady non-uniform flow is exemplified by flow through a/an_____?

10 / 50

Rubber latex is an example of _______ fluid?

11 / 50

Pressure drop in packed bed for turbulent flow is given by the _______ equation?

12 / 50

Pump used for the transportation of molten sodium in a fast breader reactor is a/an __________ pump?

13 / 50

Self-priming centrifugal pump can be used for_________?

14 / 50

Priming is needed in a _______ pump?

15 / 50

Specific speed for a centrifugal pump is_____?

16 / 50

Specific speed of a centrifugal pump depends upon the _______ head?

17 / 50

Slurries can be most conveniently pumped by a ________ pump?

18 / 50

Quicksand is an example of a __________ fluid?

19 / 50

Rubber latex is an example of a _______ fluid?

20 / 50

Steady uniform flow is represented by flow through a/an _____?

21 / 50

Sewage sludge is _______ type of non-Newtonian fluid?

22 / 50

Pressure drop in a packed bed for laminar flow is given by the _______ equation?

23 / 50

Ratio of inertial forces to surface tension forces is called the ______ number?

24 / 50

Steady flow occurs, when the___________?

25 / 50

Speed of sound in an ideal gas depends on its_________?

26 / 50

Reynolds number for water flow through a tube of I.D. 5 cm is 1500. If a liquid of 5 centipoise viscosity and 0.8 specific gravity flows in the same pipe at the same velocity, then the pressure drop will________?

27 / 50

Reynolds number is the ratio of______?

28 / 50

Re/NFr is called the ______ number?

29 / 50

Specific speed of a centrifugal pump relates it with another pump having the_____?

30 / 50

Rise of liquid in a capillary tube is due to__________?

31 / 50

Shear stress in a fluid flowing in a round pipe__________?

32 / 50

Pressure drop in a fluidised bed reactor is _______ that in a similar packed bed reactor?

33 / 50

Purpose of relief valve in a reciprocating pump is to_____?

34 / 50

Pressure drag does not depend upon the__________?

35 / 50

Purpose of hydraulic accumulator is to________?

36 / 50

Pressure drop (?p) for a fluid flowing in turbulent flow through a pipe is a function of velocity (V) as_____?

37 / 50

Reciprocating pumps compared to centrifugal pumps___________?

38 / 50

Slugging in a fluidised bed can be avoided by using_______?

39 / 50

Pressure drop for laminar fluid flow through a circular pipe is given by___________?

40 / 50

Ratio of pressure and inertia force gives _______ number?

41 / 50

Propeller type centrifugal pumps are most suitable for___________?

42 / 50

Small pressure differences in liquids is measured using a/an___________?

43 / 50

Select the wrong statement pertaining to flow of an incompressible fluid through a Venturimeter ?

44 / 50

Remote control valve is a ________ valve?

45 / 50

Pumping of a corrosive liquid is generally preferred to be done by a _______ pump, as it can be made of a variety of materials including plastics?

46 / 50

Select the correct practical example of steady non-uniform flow?

47 / 50

Slugging occurs in a fluidised bed, if the bed is_____?

48 / 50

Propellers are______?

49 / 50

Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around_________?

50 / 50

Reciprocating pumps are not able to compete with the centrifugal pump for industrial use, mainly because these pumps have______?

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