CHEMICAL ENGINEERING | Mass Transfer

If the amount of the steam used in steam distillation is increased, the temperature of distillation

Byadmin August 29, 2022

Question: If the amount of the steam used in steam distillation is increased, the temperature of distillation
[A].

increases

[B].

decreases

[C].

remains unchanged

[D].

depends on relative volatility

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Process

Coke used for the production of calcium carbide should have

Question: Coke used for the production of calcium carbide should have
[A].

low ash content.
[B].
low ignition temperature.
[C].
high electrical resistivity.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More Coke used for the production of calcium carbide should have
CHEMICAL ENGINEERING | Chemical Engineering Plant Economics

With increase in the discounted cash flow rate of return, the ratio of the total present value to the initial investment of a given project

Question: With increase in the discounted cash flow rate of return, the ratio of the total present value to the initial investment of a given project
[A].

decreases
[B].
increases
[C].
increases linearly
[D].
remains constant

Answer: Option A

Explanation:

No answer description available for this question.

Read More With increase in the discounted cash flow rate of return, the ratio of the total present value to the initial investment of a given project
CHEMICAL ENGINEERING | Materials and Construction

__________ iron is produced, when molten pig iron is allowed to cool gradually.

Question: __________ iron is produced, when molten pig iron is allowed to cool gradually.
[A].

White cast
[B].
Grey cast
[C].
Wrought
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ iron is produced, when molten pig iron is allowed to cool gradually.
CHEMICAL ENGINEERING | Chemical Engineering Basics

Maraging steels derive their strength from the following mechanism:

Question: Maraging steels derive their strength from the following mechanism:
[A].

A fine, highly dislocated and strong martensite.
[B].
Fine dispersions of intermetallics of Fe, Ni, Ti etc.
[C].
Fine dispersions of alloy carbides in a ferrite matrix.
[D].
Fine dispersions of Fe3 C nucleated on dislocations in austenite.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Maraging steels derive their strength from the following mechanism:
CHEMICAL ENGINEERING | Fluid Mechanics

I.D. of 1/4″ schedule 40 pipe is 0.364″. I.D. of a 1/2″ schedule 40 pipe would be __________ inch

Question: I.D. of 1/4″ schedule 40 pipe is 0.364″. I.D. of a 1/2″ schedule 40 pipe would be __________ inch
[A].

4.728
[B].
0.5
[C].
0.622
[D].
0.474

Answer: Option C

Explanation:

No answer description available for this question.

Read More I.D. of 1/4″ schedule 40 pipe is 0.364″. I.D. of a 1/2″ schedule 40 pipe would be __________ inch
CHEMICAL ENGINEERING | Heat Transfer

Among liquids, water has a comparatively high value of thermal conductivity, due to its

Question: Among liquids, water has a comparatively high value of thermal conductivity, due to its
[A].

low density
[B].
high viscosity
[C].
partial ionisation
[D].
dense structure

Answer: Option C

Explanation:

No answer description available for this question.

Read More Among liquids, water has a comparatively high value of thermal conductivity, due to its

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