CHEMICAL ENGINEERING | Chemical Engineering Basics

The best criterion for analysing an economic investment is the

Byadmin August 8, 2022

Question: The best criterion for analysing an economic investment is the
[A].

rate of return criterion.

[B].

present value method.

[C].

salvage value.

[D].

future value method.

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

In sheet metal forming, stretcher strains occur in

Question: In sheet metal forming, stretcher strains occur in
[A].

duralumin sheets.
[B].
low carbon steel sheets.
[C].
austenitic stainless steel sheets .
[D].
Ni-base alloy sheets.

Answer: Option A

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Environmental Engineering

Most of the atmospheric air pollutants are present in large quantity in

Question: Most of the atmospheric air pollutants are present in large quantity in
[A].

stratosphere
[B].
thermosphere
[C].
trophosphere
[D].
mesosphere

Answer: Option C

Explanation:

No answer description available for this question.

Read More Most of the atmospheric air pollutants are present in large quantity in
CHEMICAL ENGINEERING | Mass Transfer

Which of the following T-H diagram is valid for dehumidification operation ?

Question: Which of the following T-H diagram is valid for dehumidification operation ?
[A].

[B].

[C].

[D].

Answer: Option A

Explanation:

No answer description available for this question.

Read More Which of the following T-H diagram is valid for dehumidification operation ?
CHEMICAL ENGINEERING | Fuels and Combustion

Light oil whose major component is benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C.

Question: Light oil whose major component is benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C.
[A].

80-170
[B].
200-300
[C].
250-270
[D].
280-300

Answer: Option A

Explanation:

No answer description available for this question.

Read More Light oil whose major component is benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C.
CHEMICAL ENGINEERING | Fluid Mechanics

In deriving Bernoulli’s equation, fluid is assumed to be

Question: In deriving Bernoulli’s equation, fluid is assumed to be
[A].

incompressible, frictionless, steady, along a streamline.
[B].
uniform, steady, incompressible, along a streamline.
[C].
steady, density being pressure dependent, frictionless.
[D].
none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Read More In deriving Bernoulli’s equation, fluid is assumed to be
CHEMICAL ENGINEERING | Chemical Engineering Basics

Laser is a device to produce

Question: Laser is a device to produce
[A].

gamma rays.
[B].
microwaves.
[C].
a beam of white light.
[D].
a beam of coherent light.

Answer: Option D

Explanation:

No answer description available for this question.

Read More Laser is a device to produce

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