CHEMICAL ENGINEERING | Fuels and Combustion

Naphthalene is used for making

Byadmin August 17, 2022

Question: Naphthalene is used for making
[A].

insecticides (e.g. moth balls).

[B].

unsaturated polyesters.

[C].

drug intermediates e.g. β-naphthol.

[D].

all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Materials and Construction

For storing water and acid free benzol, use a __________ vessel.

Question: For storing water and acid free benzol, use a __________ vessel.
[A].

steel
[B].
karbate
[C].
stainless steel
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More For storing water and acid free benzol, use a __________ vessel.
CHEMICAL ENGINEERING | Chemical Reaction Engineering

For a tubular flow reactor with uniform concentration and temperature, the independent variable is

Question: For a tubular flow reactor with uniform concentration and temperature, the independent variable is
[A].

time
[B].
length
[C].
diameter
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More For a tubular flow reactor with uniform concentration and temperature, the independent variable is
CHEMICAL ENGINEERING | Mass Transfer

The boiling points of pure components of a binary system __________ with increase in total pressure of the system.

Question: The boiling points of pure components of a binary system __________ with increase in total pressure of the system.
[A].

decreases
[B].
increases
[C].
remains unchanged
[D].
may increase or decrease, depends on the system.

Answer: Option B

Explanation:

No answer description available for this question.

Read More The boiling points of pure components of a binary system __________ with increase in total pressure of the system.
CHEMICAL ENGINEERING | Mass Transfer

Adsorption is an unit operation which generally involves __________ systems.

Question: Adsorption is an unit operation which generally involves __________ systems.
[A].

liquid-solid
[B].
gas-solid
[C].
fluid-solid
[D].
solid-solid

Answer: Option C

Explanation:

No answer description available for this question.

Read More Adsorption is an unit operation which generally involves __________ systems.
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is

Question: While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is
[A].

infinity
[B].
unity
[C].
constant
[D].
negative

Answer: Option C

Explanation:

No answer description available for this question.

Read More While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is
Fuels and Combustion

Tolerable concentration of toxic carbon monoxide in atmospheric air is about ______________ ppm?

Tolerable concentration of toxic carbon monoxide in atmospheric air is about ______________ ppm?

A. 50
B. 1000
C. 5000
D. 10000

Read More Tolerable concentration of toxic carbon monoxide in atmospheric air is about ______________ ppm?

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