Chemical Reaction Engineering

Question: With increase in initial concentration, the fractional conversion of a first order reaction in a given time
[A].

increases

[B].

decreases

[C].

remains constant

[D].

unpredictable

Answer: Option C

Explanation:

No answer description available for this question.

Question: With an increase in pressure in gaseous phase chemical reactions, the fractional conversion __________ when the number of moles decreases.
[A].

increases

[B].

decreases

[C].

remains unaffected

[D].

unpredictable from the data

Answer: Option A

Explanation:

No answer description available for this question.

Question: Effectiveness factor of a catalyst pellet is a measure of the __________ resistance.
[A].

pore diffusion

[B].

gas film

[C].

chemical reaction

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption.
[A].

physical

[B].

chemical

[C].

both (a) and (b)

[D].

neither (a) nor (b)

Answer: Option B

Explanation:

No answer description available for this question.

Question: Decomposition rate of a liquid ‘X’ which decomposes as per the reaction is given by
[A].

K1 . CX

[B].

(K1 + K2 + K3)CX

[C].

(K1 + K2)CX

[D].

(K2 + K3)CX

Answer: Option C

Explanation:

No answer description available for this question.

Question: In case of a __________ reactor, the composition in the reactor and at the exit of the reactor is the same.
[A].

semi-batch

[B].

tubular

[C].

batch

[D].

back-mix

Answer: Option D

Explanation:

No answer description available for this question.

Question: In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole.
[A].

100

[B].

1000

[C].

10000

[D].

100000

Answer: Option B

Explanation:

No answer description available for this question.

Question: Knudsen diffusion is directly proportional to
[A].

T

[B].

T

[C].

1/T

[D].

T2

Answer: Option B

Explanation:

No answer description available for this question.

Question: In a/an __________ vessel, the fluid enters and leaves following plug flow.
[A].

open

[B].

closed

[C].

open-closed

[D].

close-opened

Answer: Option B

Explanation:

No answer description available for this question.

Question: Exothermic reactions are best carried out in
[A].

a CSTR.

[B].

CSTR in series.

[C].

a plug flow reactor followed by CSTR.

[D].

CSTR followed by a plug flow reactor.

Answer: Option D

Explanation:

No answer description available for this question.