CHEMICAL ENGINEERING | Mass Transfer

In distillation columns, the number of bubble caps per tray primarily depends upon the

Byadmin August 29, 2022

Question: In distillation columns, the number of bubble caps per tray primarily depends upon the
[A].

allowable liquid velocity.

[B].

allowable gas velocity.

[C].

allowable gas and liquid velocities.

[D].

feed composition.

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Fuels and Combustion

Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if

Question: Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if
[A].

it contains large amount of volatile matter.
[B].
it is stored in tall heaps.
[C].
smaller fines are stored in large quantity.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if
CHEMICAL ENGINEERING | Chemical Reaction Engineering

A batch reactor is suitable for

Question: A batch reactor is suitable for
[A].

achieving cent percent conversion of reactants into products.
[B].
large scale gaseous phase reactions.
[C].
liquid phase reactions.
[D].
obtaining uniform polymerisation products in highly exothermic reactions.

Answer: Option C

Explanation:

No answer description available for this question.

Read More A batch reactor is suitable for
CHEMICAL ENGINEERING | Fluid Mechanics

Euler’s equation of motion states, that at every point, the

Question: Euler’s equation of motion states, that at every point, the
[A].

fluid momentum is constant.
[B].
force per unit mass equals acceleration.
[C].
rate of mass outflow is equal to the rate of mass inflow.
[D].
none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Euler’s equation of motion states, that at every point, the
Mass Transfer

For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because__________________?

For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because__________________?

A. Water has a high latent heat of evaporation
B. Lewis number is close to unity
C. They are always equal under all circumstances
D. Solubility of the components of air in water is very small

Read More For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because__________________?
CHEMICAL ENGINEERING | Chemical Reaction Engineering

Radioactive decay follows __________ order kinetics.

Question: Radioactive decay follows __________ order kinetics.
[A].

first
[B].
second
[C].
third
[D].
zero.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Radioactive decay follows __________ order kinetics.
CHEMICAL ENGINEERING | Chemical Engineering Basics

__________ iron is produced by the annealing of white cast iron.

Question: __________ iron is produced by the annealing of white cast iron.
[A].

Malleable
[B].
Nodular
[C].
Ductile
[D].
Grey

Answer: Option A

Explanation:

No answer description available for this question.

Read More __________ iron is produced by the annealing of white cast iron.

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