Question: For series reaction, the relative yield
[A].

is always greater for plug-flow reactor than for the single CSTR of the same volume.

[B].

statement in (a) is wrong.

[C].

decreases with increasing conversion.

[D].

both (a) and (c) hold good.

Answer: Option D

Explanation:

No answer description available for this question.

Question: An autothermal reactor is
[A].

most suitable for a second order reaction.

[B].

most suitable for a reversible reaction.

[C].

completely self-supporting in its thermal energy requirements.

[D].

isothermal in nature.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Backmixing is most predominant in
[A].

a well stirred batch reactor.

[B].

a plug-flow reactor.

[C].

a single CSTR.

[D].

CSTR’s connected in series.

Answer: Option C

Explanation:

No answer description available for this question.

Question: With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will
[A].

increase

[B].

decrease

[C].

remain same

[D].

data in insufficient; can’t be predicted

Answer: Option A

Explanation:

No answer description available for this question.

Question: A first order reaction requires two equal sized CSTR. The conversion is
[A].

less when they are connected in series.

[B].

more when they are connected in series.

[C].

more when they are connected in parallel.

[D].

same whether they are connected in series or in parallel.

Answer: Option B

Explanation:

No answer description available for this question.

Question: For multiple reactions, the flow pattern within the vessel affects the
[A].

size requirement

[B].

distribution of reaction products

[C].

both (a) and (b)

[D].

neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.

Question: For an autocatalytic reactor, the suitable reactor set up is
[A].

P.F. reactors in series.

[B].

CSTR in series.

[C].

CSTR followed by P.F. reactor.

[D].

P.F. reactor followed by CSTR.

Answer: Option C

Explanation:

No answer description available for this question.

Question: With the same reaction time, initial concentration and feed rate, the reaction 2A B is carried out separately in CSTR and P.F. reactor of equal volumes. The conversion will be
[A].

higher in P.F. reactor

[B].

higher in CSTR

[C].

same in both the reactors

[D].

data insufficient; can’t be predicted

Answer: Option A

Explanation:

No answer description available for this question.

Question: For all positive reaction orders for a particular duty,
[A].

mixed reactor is always larger than the plug-flow reactor.

[B].

ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order.

[C].

reactor size is independent of the type of flow.

[D].

density variation during reaction affects design.

Answer: Option A

Explanation:

No answer description available for this question.