Which of the following equipments is not used in liquid-liquid extraction? (A) Pachuka tank (B) Agitated vessels (C) Centrifugal extractors (D) Packed towers

Which of the following equipments is not used in liquid-liquid
extraction?
(A) Pachuka tank
(B) Agitated vessels
(C) Centrifugal extractors
(D) Packed towers
by

1 Answer

Answer :

(A) Pachuka tank
by

Related questions

Which of the following equipments is not used for liquid dispersion? (A) Wetted wall towers (B) Packed towers (C) Venturi scrubbers (D) Agitated vessels

Description : Which of the following equipments is not used for liquid dispersion? (A) Wetted wall towers (B) Packed towers (C) Venturi scrubbers (D) Agitated vessels

Last Answer : (D) Agitated vessels

In most of the mechanically agitated liquid-liquid extractors, baffles or horizontal compartmental plates are provided, which helps in (A) Reducing the axial mixing (B) Increasing the rate of extraction (C) Maintaining the concentration difference between the two phases (D) All 'a', 'b' & 'c'

Description : In most of the mechanically agitated liquid-liquid extractors, baffles or horizontal compartmental plates are provided, which helps in (A) Reducing the axial mixing (B) Increasing the rate of extraction (C) Maintaining the concentration difference between the two phases (D) All 'a', 'b' & 'c'

Last Answer : (D) All 'a', 'b' & 'c'

Which of the following equipments is not used for gas dispersion? (A) Agitated vessels (B) Bubble cap tray towers (C) Perforated sieve tray towers (D) Spray towers

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Last Answer : (D) Spray towers

Pick out the wrong statement. (A) With decrease in feed temperature, the number of plates required for binary distillation decreases for a given ‘L/V’ ratio (B) The extraction per unit of total height for a short packed column is more effective than for a tall column, in case of liquid-liquid extraction(C) Natural draft cooling towers are made of ferroconcrete and its cross￾section is wider at the bottom(D) Vander wall adsorption is also called chemisorption

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Last Answer : (D) Vander wall adsorption is also called chemisorption

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Last Answer : (A) Packing may be crushed due to thermal expansion/contraction of the components of the equipments

Which of the following is the most suitable for extraction in a system having very low density difference? (A) Mixer-settler extractor (B) Centrifugal extractor (C) Pulsed extractor (D) Packed extraction tower

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Extraction of penicillin employs a __________ extraction column. (A) Centrifugal (B) Packed (C) Plate (D) None of these

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Which of the following equipments is used for liquid dispersion? (A) Packed column (B) Venturi scrubber (C) Bubble cap plate column (D) Wetted wall column

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Last Answer : Option B

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Last Answer : (B) Avoid channelling

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