In an absorption column, the flooding velocity for random packing is __________ that for stacked/regular packing. (A) Greater than (B) Smaller than (C) Equal to (D) Either (A), or (B); depends on the type of packing

In an absorption column, the flooding velocity for random packing is

__________ that for stacked/regular packing.

(A) Greater than

(B) Smaller than

(C) Equal to

(D) Either (A), or (B); depends on the type of packing

by

1 Answer

Answer :

(B) Smaller than

by

Related questions

The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral void. (A) Equal to (B) Greater than (C) Less than (D) Either (A), (B) or (C); depends on the size of atom

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In a moderately sized packed absorption tower, channelling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter (A) > 4 :1 (B) < 8 : 1 (C) > 8:1 (D) < 6:1

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Which of these columns incurs the lowest pressure drop? (A) Packed column (with stacked packing) (B) Packed column (with dumped packing) (C) Bubble plate column (D) Pulse column

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Channelling is most severe (A) In towers packed with stacked packing (B) In towers packed randomly with crushed solids (C) In dumped packing of regular units

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When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield. (A) Is greater than (B) Is smaller than (C) Equals (D) Can be either greater or smaller than (depends on the type of reaction)

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Pressure drop through plate tower as compared to that through packed tower, for the same duty will be (A) Less (B) More (C) Equal (D) Either (A) or (B); depends on the packing height

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Pick out the correct statement. (A) For identical gas flow rates, less pressure drop occurs through a plate tower than through a packed tower (B) Plate column can handle greater liquid loads without flooding than packed column, but the liquid hold up is more in the case of plate column (C) For the same duty, plate columns weigh less than packed columns (D) All (A), (B) and (C)

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A 43 year old, lecturer has come to you with complaints of heavy but regular menstrual bleeding with flooding and clots. There is no anatomical reason for heavy flow. The most effective remedy for reducing her menstrual flow is: a) Tranexemic acid. b) Dilatation and Curettage. c) Depomedroxy progesterone acetate. d) Misoprostol. e) Ergometrine maleate.

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