CHEMICAL ENGINEERING | Chemical Engineering Basics

Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is

Byadmin August 3, 2022

Question: Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is
[A].

5CaO . 3 Al2O3

[B].

3CaO . Al2O3

[C].

3CaO . SiO2

[D].

2CaO . SiO2

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

One ton of refrigeration capacity is equivalent to the heat removal rate of

Question: One ton of refrigeration capacity is equivalent to the heat removal rate of
[A].

50 k cal/hr
[B].
200 BTU/hr
[C].
200 BTU/minute
[D].
200 BTU/day

Answer: Option C

Explanation:

No answer description available for this question.

Read More One ton of refrigeration capacity is equivalent to the heat removal rate of
CHEMICAL ENGINEERING | Chemical Engineering Basics

Eutectoid reaction for iron-carbon system occurs at a temperature of __________ °C.

Question: Eutectoid reaction for iron-carbon system occurs at a temperature of __________ °C.
[A].

597
[B].
959
[C].
1147
[D].
1493

Answer: Option D

Explanation:

No answer description available for this question.

Read More Eutectoid reaction for iron-carbon system occurs at a temperature of __________ °C.
CHEMICAL ENGINEERING | Materials and Construction

A material is able to retain the deformation permanently by virtue of its

Question: A material is able to retain the deformation permanently by virtue of its
[A].

elasticity
[B].
plasticity
[C].
ductility
[D].
malleability

Answer: Option B

Explanation:

No answer description available for this question.

Read More A material is able to retain the deformation permanently by virtue of its
CHEMICAL ENGINEERING | Chemical Engineering Basics

Addition of __________ to steel does not impart hardness.

Question: Addition of __________ to steel does not impart hardness.
[A].

nickel
[B].
copper
[C].
chromium
[D].
silicon

Answer: Option B

Explanation:

No answer description available for this question.

Read More Addition of __________ to steel does not impart hardness.
CHEMICAL ENGINEERING | Chemical Reaction Engineering

For a __________ order chemical reaction, , the half life period is independent of the initial concentration of the reactant A.

Question: For a __________ order chemical reaction, , the half life period is independent of the initial concentration of the reactant A.
[A].

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

Answer: Option B

Explanation:

No answer description available for this question.

Read More For a __________ order chemical reaction, , the half life period is independent of the initial concentration of the reactant A.
CHEMICAL ENGINEERING | Chemical Reaction Engineering

For an autocatalytic reactor, the suitable reactor set up is

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.

Read More For an autocatalytic reactor, the suitable reactor set up is

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