CHEMICAL ENGINEERING | Materials and Construction

Lead is

Byadmin August 29, 2022

Question: Lead is
[A].

not resistant to corrosion.

[B].

used as a cathodic material.

[C].

not used as pigment (in its compound forms) for paints.

[D].

used as a shock absorber (in mattress form) between the foundation and steel framework of skyscrapper buildings.

Answer: Option D

Explanation:

No answer description available for this question.

Materials and Construction

Most common stainless steel type 316, which is highly resistant to corrosion contains______________?

Most common stainless steel type 316, which is highly resistant to corrosion contains______________?

A. 16-13% Cr 10-14% Ni and 2-3% Mo
B. 20-22% Cr, and 8-10% Ni
C. 2-4% Cr, 22% NI and 2-4% Mo
D. None of these

Read More Most common stainless steel type 316, which is highly resistant to corrosion contains______________?
CHEMICAL ENGINEERING | Chemical Engineering Basics

For a fixed cross-sectional area, the most economical channel section has maximum

Question: For a fixed cross-sectional area, the most economical channel section has maximum
[A].

wetted perimeter.
[B].
fluid discharge rate.
[C].
fluid velocity.
[D].
depth of flowing fluid.

Answer: Option B

Explanation:

No answer description available for this question.

Read More For a fixed cross-sectional area, the most economical channel section has maximum
CHEMICAL ENGINEERING | Heat Transfer

Heat flux increases with temperature drop beyond the Leiden frost point in the plot of heat flux vs. temperature drop for a boiling liquid, because

Question: Heat flux increases with temperature drop beyond the Leiden frost point in the plot of heat flux vs. temperature drop for a boiling liquid, because
[A].

convection becomes important
[B].
conduction becomes important
[C].
radiation becomes important
[D].
sub-cooled boiling occurs

Answer: Option C

Explanation:

No answer description available for this question.

Read More Heat flux increases with temperature drop beyond the Leiden frost point in the plot of heat flux vs. temperature drop for a boiling liquid, because
CHEMICAL ENGINEERING | Materials and Construction

Monel alloy is

Question: Monel alloy is
[A].

the costliest of all the alloys of nickel.
[B].
not suitable for making kitchen utensils.
[C].
used for making steam valves and turbine blades as it resists steam attack at high temperature.
[D].
not used in cast and wrought forms.

Answer: Option C

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Chemical Engineering Plant Economics

Personnel working in the market research group is reponsible for the job of

Question: Personnel working in the market research group is reponsible for the job of
[A].

equipment selection.
[B].
product evaluation.
[C].
equipment design.
[D].
cost estimation.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Personnel working in the market research group is reponsible for the job of
CHEMICAL ENGINEERING | Thermodynamics for Chemical

What is the value of maximum COP in case of absorption refrigeration, if refrigeration provided is at temperature, TR (where, T1 and T2 are source & surrounding temperatures respectively.) ?

What is the value of maximum COP in case of absorption refrigeration, if refrigeration provided is at temperature, TR (where, T1 and T2 are source & surrounding temperatures respectively.) ?

A. TR/(T2 – TR) × (T1 – T2)/T1
B. TR/(T2 – TR) × T1/(T1 – T2)
C. TR/(T1 – TR) × (T1 – T2)/T1
D. None of these

Read More What is the value of maximum COP in case of absorption refrigeration, if refrigeration provided is at temperature, TR (where, T1 and T2 are source & surrounding temperatures respectively.) ?

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