Home » Chemical Engineering Quiz » Mechanical Operations Quiz 3

Mechanical Operations Quiz 3

0%
0

Mechanical Operations Quiz 3

1 / 50

Gold ore concentration is mostly done using_____?

2 / 50

Fluid medium used in the classification technique of mineral beneficiation is__________?

3 / 50

Filtration rate does not depend upon the_________?

4 / 50

For transporting pasty material, one will use a/an___________?

5 / 50

Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the ______ filtration?

6 / 50

For sizing of fine materials, the most suitable equipment is a______?

7 / 50

For spheres, volume shape factor is given by______?

8 / 50

Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to _____ and the cycle time (where, ? = filtrate viscosity Rm = filter medium resistance Rc = cake resistance)?

9 / 50

For efficient grinding, ball mills must be operated___________?

10 / 50

For crushing of solids, the Rittinger?s law states that the work required for crushing is proportional to ___________?

11 / 50

For classification of potable (drinking) water, we use a ________ filter?

12 / 50

For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the _______ filter?

13 / 50

Gravity settling process is not involved in the working of a_________?

14 / 50

Float and sink test determines the possibility of cleaning of coal by a process based on the_____?

15 / 50

Grizzlies are used for separating ______ solids?

16 / 50

For a cyclone of diameter 0.2 m with a tangential velocity of 15 m/s at the wall, the separation factor is___________?

17 / 50

Filtration should be stopped in a filter press, if the__________?

18 / 50

For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately ______ microns?

19 / 50

Filter medium resistance is important during the _______ of filtration?

20 / 50

Grinding characteristic of a material is given by its_____?

21 / 50

For the preliminary breaking of hard rock, we use a______?

22 / 50

Froth floatation is the most suitable for treating ______?

23 / 50

For benefication of iron ore, the most commonly used method is_______?

24 / 50

For the transportation of ultrafine particles, the equipment used is a _____ conveyor?

25 / 50

General crushing equation is given by d(P/m) = -K (dD? S/D? n S). Bond?s crushing law is obtained by solving this equation for n = ______ and feed of infinite size?

26 / 50

Grindability of a material does not depend upon its_______?

27 / 50

Fick?s law relates to__________?

28 / 50

For separation of sugar solution from settled out mud, we use a _____ filter?

29 / 50

Filtration rate through a filter cake is proportional to (where, S = filtering surface R = specific cake resistance ? = viscosity of the filtrate) ?

30 / 50

Filtration of water in a paper mill is done by a/an ________ filter?

31 / 50

Np ? 1/NRe choiceno C Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a _______ conveyor?

32 / 50

For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter) ?

33 / 50

For coarse reduction of hard solids, use ______?

34 / 50

Fibrous material is broken by a___________?

35 / 50

Gelatinous solid (which plug the septum) can be filtered by a ______ filter?

36 / 50

For laminar flow of filtrate through the cake deposited on septum, which of the following will be valid ?

37 / 50

Filter aid is used to______?

38 / 50

For spheres, the specific surface shape factor is given by_____?

39 / 50

For a non-spherical particle, the sphericity___________?

40 / 50

General mechanism of size reduction in intermediate and fine grinder is by ___________?

41 / 50

Fluid energy mill comes in the category of_________?

42 / 50

Grinding efficiency of a ball mill is of the order of ________ percent?

43 / 50

For raschig rings, the sphericity is_______?

44 / 50

For a sphere falling in the constant drag co-efficient regime, its terminal velocity depends on its diameter D. as__________?

45 / 50

For achieving maximum capacity of the ball mill, the ball charge should be equal to about _______ percent of the ball mill volume?

46 / 50

Filter medium resistance is that offered by the___________?

47 / 50

Gravity stamp mill is meant for the _____ crushing?

48 / 50

Flow of filtrate through the cake in a plate and frame filter press is best described by the _______ equation?

49 / 50

Gyratory crushers compared to the reciprocating jaw crushers___________?

50 / 50

Filtration capacity of a rotary drum vacuum filter depends upon the________?

Provide Your Information

Your score is

The average score is 0%

0%

Share on facebook
Facebook
Share on twitter
Twitter
Share on whatsapp
WhatsApp
Chemical Engineering Basics Quiz 1
Chemical Engineering Basics Quiz 2
Chemical Engineering Basics Quiz 3
Chemical Engineering Basics Quiz 4
Chemical Engineering Basics Quiz 5
Chemical Engineering Basics Quiz 6
Chemical Engineering Basics Quiz 7
Chemical Engineering Basics Quiz 8
Chemical Engineering Basics Quiz 9
Chemical Engineering Basics Quiz 10

Help Concept 360 Please. We need 500 Youtube Subscriber. Please Subscribe our Youtube Channel. Click below link to subscribe Please

آپ سے گزارش ہے کہ ہمارے یوٹیوب چینل کوسبسکرائب کر کے ہماری مدد کریں جیسا کہ یہ ویب سائٹ آپکی مدد کر رہی ہے۔ شکریہ