Fluid Mechanics for Chemical Quiz 8

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Fluid Mechanics for Chemical Quiz 8

1 / 50

Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water column in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm)?

2 / 50

Pick out the wrong statement pertaining to fluid flow ?

3 / 50

Pascal?s law is valid, only when the fluid is_______?

4 / 50

One poise (unit of absolute/dynamic viscosity) is equivalent to one_______?

5 / 50

Normal depth in open channel flow is the depth of flow in the channel ______?

6 / 50

Open channel liquid flow is most conveniently measured by a___________?

7 / 50

Pick out the wrong statement?

8 / 50

Nominal size of the discharge pipe of a pump is usually ______ the nominal size of the inlet pipe?

9 / 50

Power requirement of fans having constant wheel diameter varies ______ fan speed?

10 / 50

Prandtl number is a measure of the___________?

11 / 50

Pick out the wrong statement ?

12 / 50

Pick out the wrong statement?

13 / 50

Pipes having diameter 14 inches or more are designated by their__________?

14 / 50

Potential function is applicable only for __________ flow?

15 / 50

Potential flow is the flow of_______?

16 / 50

Pick out the wrong statement ?

17 / 50

Pick out the wrong statement about a streamline ?

18 / 50

Pressure co-efficient is the ratio of pressure forces to _____ forces?

19 / 50

One dimensional fluid flow implies the __________?

20 / 50

Pick out the wrong statement?

21 / 50

Power required by a centrifugal pump is proportional to (where, D = diameter, N = r.p.m) _________?

22 / 50

Pick out the correct statement pertaining to Venturimeter ?

23 / 50

Pick out the wrong statement?

24 / 50

Pick out the correct statement?

25 / 50

Power number is the ratio of______?

26 / 50

Power loss in an orificemeter is ______ that in a Venturimeter?

27 / 50

Potential flow is characterised by the_____?

28 / 50

Out of the following flow measuring devices, which one incurs the maximum installation cost as well as pressure loss ?

29 / 50

Pick out the correct statement?

30 / 50

Pick out the wrong statement?

31 / 50

Piezometric head is the sum of the _______ heads?

32 / 50

Pitot tube measures the _______ of a fluid?

33 / 50

Non-colloidal solution is an example of the ________ fluid?

34 / 50

One dimensional flow implies__________?

35 / 50

Paper pulp is an example of ______ fluid?

36 / 50

Path followed by water jet issuing from the bottom of a water tank will be a___________?

37 / 50

One horsepower is equal to_________?

38 / 50

Pick out the wrong statement about cavitation?

39 / 50

Pick out the correct statement pertaining to the flow through a converging-diverging tube ?

40 / 50

Plunger pumps are used for___________?

41 / 50

Pick out the correct statement?

42 / 50

Pick out the wrong statement ?

43 / 50

Pascal law is not applicable for a/an __________ fluid?

44 / 50

Nominal size of a pipe is an indication of its _______ diameter?

45 / 50

Pick out the correct statement pertaining to transition/ entrance length in fluid flow ?

46 / 50

Permanent loss in a Venturimeter is about ___________ percent of the pressure drop in the upstream cone?

47 / 50

Power required for mixing Newtonian fluids is a function of the __________?

48 / 50

Prandtl mixing length is_____?

49 / 50

Pick out the wrong statement?

50 / 50

Permanent pressure loss in a well designed Venturimeter is about ______ percent of the venturi differential?

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