CHEMICAL ENGINEERING

Material of construction of the electrode used in the electric resistance welding is___________________?

Byadmin February 7, 2019August 19, 2021

Material of construction of the electrode used in the electric resistance welding is___________________?

A. Stainless steel
B. Graphite
C. Copper
D. Steel

CHEMICAL ENGINEERING | Chemical Engineering Basics

Fire in fuel gas pipelines is extinguished most effectively by

Question: Fire in fuel gas pipelines is extinguished most effectively by
[A].

spraying water.
[B].
blanketting the area with nitrogen atmosphere.
[C].
fire fighting foam.
[D].
none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Fire in fuel gas pipelines is extinguished most effectively by
CHEMICAL ENGINEERING | Chemical Engineering Basics

On an average __________ fast neutrons are produced by nuclear fission of each atom of uranium-235.

Question: On an average __________ fast neutrons are produced by nuclear fission of each atom of uranium-235.
[A].

1
[B].
2.5
[C].
3.5
[D].
5

Answer: Option B

Explanation:

No answer description available for this question.

Read More On an average __________ fast neutrons are produced by nuclear fission of each atom of uranium-235.
CHEMICAL ENGINEERING | Materials and Construction

Carbon is present in steel wholly in the

Question: Carbon is present in steel wholly in the
[A].

combined form.
[B].
free state as graphite.
[C].
both (a) and (b).
[D].
neither (a) nor (b).

Answer: Option A

Explanation:

No answer description available for this question.

Read More Carbon is present in steel wholly in the
CHEMICAL ENGINEERING | Fertiliser Technology

Electric process as compared to wet process (for the manufacture of phosphoric acid)

Question: Electric process as compared to wet process (for the manufacture of phosphoric acid)
[A].

can use only high grade phosphate rock.
[B].
is used less frequently.
[C].
produces a valuable by-product called gypsum.
[D].
is weak acid process.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Electric process as compared to wet process (for the manufacture of phosphoric acid)
CHEMICAL ENGINEERING | Fuels and Combustion

For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will

Question: For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will
[A].

increase
[B].
decrease
[C].
increase or decrease depending on the fuel type
[D].
not change

Answer: Option B

Explanation:

No answer description available for this question.

Read More For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will
CHEMICAL ENGINEERING | Environmental Engineering

Exposure to chemicals having carcinogenic properties cause

Question: Exposure to chemicals having carcinogenic properties cause
[A].

dermatitis (skin disorder)
[B].
cancer
[C].
asphyxiation
[D].
asthma

Answer: Option B

Explanation:

No answer description available for this question.

Read More Exposure to chemicals having carcinogenic properties cause

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