According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity)

Byadmin August 29, 2022

Question: According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity)
[A].

[B].

[C].

D0.5

[D].

1/D

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Process

Enzymes are organic catalysts used in the __________ reactions.

Question: Enzymes are organic catalysts used in the __________ reactions.
[A].

chemical
[B].
biochemical
[C].
photochemical
[D].
electrochemical

Answer: Option B

Explanation:

No answer description available for this question.

Read More Enzymes are organic catalysts used in the __________ reactions.
CHEMICAL ENGINEERING | Chemical Engineering Basics

If the pH value of a solution of sodium chloride is 7; then what will be the pH value of the solution after its electrolysis ?

Question: If the pH value of a solution of sodium chloride is 7; then what will be the pH value of the solution after its electrolysis ?
[A].

7
[B].
< 7
[C].
> 7
[D].
0

Answer: Option C

Explanation:

No answer description available for this question.

Read More If the pH value of a solution of sodium chloride is 7; then what will be the pH value of the solution after its electrolysis ?
CHEMICAL ENGINEERING

Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial pressure of B is 10-3 atm and the partial pressure of AB is 1 atm, the equilibrium constant ‘K’ is____________________?

Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial pressure of B is 10-3 atm and the partial pressure of AB is 1 atm, the equilibrium constant ‘K’ is____________________?

A. 10 atm-1
B. 105 atm-1
C. 10 (dimensionless)
D. 105 (dimensionless)

Read More Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial pressure of B is 10-3 atm and the partial pressure of AB is 1 atm, the equilibrium constant ‘K’ is____________________?
Mass Transfer

The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m2/m3)_________________?

The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m2/m3)_________________?

A. 500
B. 1200
C. 900
D. 800

Read More The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m2/m3)_________________?
CHEMICAL ENGINEERING | Chemical Engineering Basics

Nickel and __________ are the alloying element added in steel to increase its toughness.

Question: Nickel and __________ are the alloying element added in steel to increase its toughness.
[A].

molybdenum
[B].
chromium
[C].
vanadium
[D].
silicon

Answer: Option D

Explanation:

No answer description available for this question.

Read More Nickel and __________ are the alloying element added in steel to increase its toughness.
CHEMICAL ENGINEERING | Chemical Process

A bio-catalyst produced by living cells which acts independent of the cell is called a/an

Question: A bio-catalyst produced by living cells which acts independent of the cell is called a/an
[A].

substrate
[B].
enzyme
[C].
nutrient
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More A bio-catalyst produced by living cells which acts independent of the cell is called a/an

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