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Question: In an ideal tubular-flow reactor
[A].

there is no mixing in longitudinal direction.

[B].

mixing takes place in radial direction.

[C].

there is a uniform velocity across the radius.

[D].

all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Question: A backmix reactor
[A].

is same as plug-flow reactor.

[B].

is same as ideal stirred tank reactor.

[C].

employs mixing in axial direction only.

[D].

is most suitable for gas phase reaction.

Answer: Option B

Explanation:

No answer description available for this question.

Question: In a semi-batch reactor
[A].

velocity of reaction can be controlled.

[B].

maximum conversion can be controlled.

[C].

both the reactants flow counter-currently.

[D].

residence time is constant.

Answer: Option A

Explanation:

No answer description available for this question.

Question: A plug-flow reactor is characterised by
[A].

high capacity.

[B].

presence of axial mixing.

[C].

presence of lateral mixing.

[D].

constant composition and temperature of reaction mixture.

Answer: Option C

Explanation:

No answer description available for this question.

Question: A batch reactor is characterised by
[A].

constant residence time.

[B].

variation in extent of reaction and properties of the reaction mixture with time.

[C].

variation in reactor volume.

[D].

very low conversion.

Answer: Option B

Explanation:

No answer description available for this question.

Question: With increase in temperature, the rate constant obeying Arhenious equation
[A].

increases.

[B].

decreases.

[C].

decreases exponentially.

[D].

can either increase or decrease ; depends on the frequency factor.

Answer: Option A

Explanation:

No answer description available for this question.

Question: According to Arhenious equation of temperature dependency of rate constant for an elementary reaction
[A].

k ∝ T

[B].

k ∝ e-E/RT

[C].

k ∝ T e-E/RT

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: A trickle bed reactor is the one, which
[A].

has altogether three streams either entering or leaving.

[B].

processes three reactants at different flow rates.

[C].

processes three reactants with same flow rate.

[D].

employs all the three phases (i.e.. .solid, liquid and gas).

Answer: Option D

Explanation:

No answer description available for this question.

Question: Exposure of a photographic plate to produce a latent image is an example of __________ reaction.
[A].

very slow

[B].

very fast

[C].

photochemical

[D].

both (b) and (c)

Answer: Option D

Explanation:

No answer description available for this question.

Question: Differential method for analysing the kinetic data is used
[A].

for testing complicated mechanisms.

[B].

when the data are scattered.

[C].

when rate expressions are very simple.

[D].

none of these.

Answer: Option A

Explanation:

No answer description available for this question.