Home » Chemical Engineering Quiz » Mass Transfer Quiz 7

Mass Transfer Quiz 7

0%
0

Mass Transfer Quiz 7

1 / 50

Liquid diffusivity is of the order of ________ cm2 /second?

2 / 50

Moisture contained by a substance in excess of the equilibrium moisture is called the ________ moisture?

3 / 50

Leaching of uranium ore and gold ore is done in_______?

4 / 50

Mass transfer co-efficient is directly proportional to DAB according to the __________ theory?

5 / 50

Mass transfer co-efficient varies as DAB 0.5, according to the ________ theory?

6 / 50

Measurement of the interfacial area of mass transfer is achieved easily & accurately in case of a _________ column?

7 / 50

Most important factor to be considered in the selection of packings for absorbers is the _______ of packing?

8 / 50

NSc/NPr is called the________?

9 / 50

Milk is dried usually in a ___________ dryer?

10 / 50

Lewis number (Le) is_____?

11 / 50

Operating velocity in a packed tower is usually ___________ the flooding velocity ?

12 / 50

Mass transfer co-efficient of liquid is______?

13 / 50

Mechanism of moisture removal in case of freeze drying of food stuff is by _____?

14 / 50

Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of___________?

15 / 50

Leaching of coffee from coffee beans is done by_____?

16 / 50

Mass transfer rate between two fluid phases does not necessarily depend on the _______ of the two phases?

17 / 50

Occurrence of ?case hardening? during drying of a high moisture solid cake ________ the drying rate?

18 / 50

Most important factor to be considered in the selection of packings for absorbers is the _______ of packing?

19 / 50

Leaching of sugar from sugar beets is done by_____?

20 / 50

Minimum possible diameter of a packed column is decided mainly by the__________?

21 / 50

Minimum reflux ratio in a distillation column results in_______?

22 / 50

Molecular sieves are porous______?

23 / 50

Low viscosity absorbent is preferred for reasons of ______?

24 / 50

Make up water is supplied during cooling tower operation to compensate for water losses due to________?

25 / 50

McCabe-Thiele method_________?

26 / 50

Lewis number (Le) is______?

27 / 50

Mass transfer co-efficient is directly proportional to DAB according to the ______ theory?

28 / 50

Nitrobenzene (boiling point = 210.6?C) is steam distilled at 1 atm pressure. Nitrobenzene will distil off ________ ?C?

29 / 50

Leaching rate is independent of the_________?

30 / 50

Measurement of the interfacial area of mass transfer is achieved easily & accurately in case of a ________ column?

31 / 50

Molecular sieves are regenerated by heating to _______ ?C?

32 / 50

Molecular diffusion is caused by the_________?

33 / 50

Mass transfer co-efficient (K) and diffusivity D. are related according to film theory as________?

34 / 50

Moisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the ________ moisture?

35 / 50

Only small amount of evaporation of water produces large cooling effects because of its_____?

36 / 50

Molecular distillation is_______?

37 / 50

Mass transfer co-efficient is directly proportional to DAB 0.5, according to _________ theory ?

38 / 50

One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult?s law is obeyed, then changing the feed composition would effect ?

39 / 50

Ordinary diffusion process is also called _______ diffusion?

40 / 50

Leaching of uranium ore and gold ore is done in__________?

41 / 50

Minimum reflux ratio in a distillation column results in___________?

42 / 50

Molarity is defined as the number of gm moles of solute per _________ of solvent?

43 / 50

On addition of solute in the solvent, the _______ of the solution decreases ?

44 / 50

Mass transfer co-efficient ?K? according to penetration theory varies with mass diffusivity as______?

45 / 50

Make up water is required in a cooling tower to replace the water lost by_____?

46 / 50

Molecular diffusivity of a liquid___________?

47 / 50

Molality is defined as the number of gm moles of solute per __________ of solvent ?

48 / 50

McCabe-Thiele method of binary distillation does not assume that the___________?

49 / 50

Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the _____ moisture ?

50 / 50

On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in________?

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