Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are

Byadmin August 29, 2022

Question: Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are
[A].

[B].

[C].

[D].

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

__________ pipe is the most suitable for carrying sanitary drainage.

Question: __________ pipe is the most suitable for carrying sanitary drainage.
[A].

stainless steel
[B].
Reinforced cement concrete
[C].
Cast iron
[D].
Asbestos cement

Answer: Option C

Explanation:

No answer description available for this question.

Read More __________ pipe is the most suitable for carrying sanitary drainage.
CHEMICAL ENGINEERING | Fluid Mechanics

With the increase in depth, the hydrostatic pressure in an unaccelerated incompressible fluid (in a constant gravitational field)

Question: With the increase in depth, the hydrostatic pressure in an unaccelerated incompressible fluid (in a constant gravitational field)
[A].

decreases.
[B].
increases linearly.
[C].
increases exponentially.
[D].
remains constant.

Answer: Option B

Explanation:

No answer description available for this question.

Read More With the increase in depth, the hydrostatic pressure in an unaccelerated incompressible fluid (in a constant gravitational field)
Mass Transfer

Fractional solvent extraction______________________?

Fractional solvent extraction______________________?

A. Employs only one solvent
B. Employs two solvents
C. Results in low interfacial tension
D. None of these

Read More Fractional solvent extraction______________________?
CHEMICAL ENGINEERING | Chemical Process

Bleaching action of bleaching powder is due to its __________ properties.

Question: Bleaching action of bleaching powder is due to its __________ properties.
[A].

reducing
[B].
oxidising
[C].
disinfecting
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Bleaching action of bleaching powder is due to its __________ properties.
CHEMICAL ENGINEERING | Fuels and Combustion

Efficiency of the combustion of a fuel is judged by the __________ the flue gas.

Question: Efficiency of the combustion of a fuel is judged by the __________ the flue gas.
[A].

%of CO2 in
[B].
% of O2in
[C].
temperature of
[D].
colour of

Answer: Option B

Explanation:

No answer description available for this question.

Read More Efficiency of the combustion of a fuel is judged by the __________ the flue gas.
CHEMICAL ENGINEERING | Fluid Mechanics

For a reciprocating pump, the indicator diagram is the graph between the

Question: For a reciprocating pump, the indicator diagram is the graph between the
[A].

discharge and overall efficiency.
[B].
volume swept by piston for one complete revolution and the pressure in the cylinder.
[C].
angle swept by the crank pin at any instant and the discharge.
[D].
none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Read More For a reciprocating pump, the indicator diagram is the graph between the

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