CHEMICAL ENGINEERING | Materials and Construction

Creep is not exhibited at low temperature by

Byadmin August 29, 2022

Question: Creep is not exhibited at low temperature by
[A].

rubber

[B].

acrylics

[C].

lead

[D].

plastics

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Reaction Engineering

For a __________ order reaction, the units of rate constant and rate of reaction are the same.

Question: For a __________ order reaction, the units of rate constant and rate of reaction are the same.
[A].

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

Answer: Option A

Explanation:

No answer description available for this question.

Read More For a __________ order reaction, the units of rate constant and rate of reaction are the same.
CHEMICAL ENGINEERING | Chemical Reaction Engineering

For the non catalytic reaction of particles with surrounding fluid, the same needed to achive the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the __________ is the controlling resistance.

Question: For the non catalytic reaction of particles with surrounding fluid, the same needed to achive the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the __________ is the controlling resistance.
[A].

film diffusion
[B].
diffusion through ash layer
[C].
chemical reaction
[D].
either (a), (b) or (c)

Answer: Option C

Explanation:

No answer description available for this question.

Read More For the non catalytic reaction of particles with surrounding fluid, the same needed to achive the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the __________ is the controlling resistance.
CHEMICAL ENGINEERING | Heat Transfer

In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased.

Question: In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased.
[A].

velocity of circulation
[B].
liquor-film co-efficient
[C].
both (a) and (b)
[D].
neither (a) and (b)

Answer: Option D

Explanation:

No answer description available for this question.

Read More In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased.
CHEMICAL ENGINEERING | Chemical Engineering Basics

Nusselt number/Biot number varies

Question: Nusselt number/Biot number varies
[A].

inversely with thermal conductivity.
[B].
directly with heat transfer co-efficient.
[C].
directly with thermal conductivity.
[D].
inversely with the dimension of the solid.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Nusselt number/Biot number varies
Materials and Construction

Iron rust is_________________?

Iron rust is_________________?

A. Ferrous oxide
B. Hydrated ferric oxide
C. Powdered iron
D. Ferric sulphide

Read More Iron rust is_________________?
CHEMICAL ENGINEERING | Chemical Engineering Basics

Pearlite comprises of

Question: Pearlite comprises of
[A].

87% cementite & 13% Fe.
[B].
87% ferrite & 13% cementite.
[C].
93.33% ferrite & 6.67% C.
[D].
87% ferrite & 13% C.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Pearlite comprises of

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