CHEMICAL ENGINEERING | Environmental Engineering

Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about __________ decibels.

Byadmin August 13, 2022

Question: Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about __________ decibels.
[A].

[B].

[C].

120

[D].

140

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Process

Chrome tanning and vegetable tanning are done for

Question: Chrome tanning and vegetable tanning are done for
[A].

light & heavy leather respectively.
[B].
heavy & light leather respectively.
[C].
both light & heavy leather.
[D].
neither light nor heavy leather.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Chrome tanning and vegetable tanning are done for
CHEMICAL ENGINEERING | Chemical Reaction Engineering

A balanced chemical reaction equation conforms to the law of

Question: A balanced chemical reaction equation conforms to the law of
[A].

conservation of mass
[B].
Avagadro’s hypothesis
[C].
gaseous volumes
[D].
none ofthese

Answer: Option A

Explanation:

No answer description available for this question.

Read More A balanced chemical reaction equation conforms to the law of
Environmental Engineering

The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally_______________?

The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally_______________?

A. less and more
B. less and less
C. more and less(Correct)
D. more and more

Read More The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally_______________?
CHEMICAL ENGINEERING | Environmental Engineering

A man exposed to excessive noise level in the working environment may suffer from

Question: A man exposed to excessive noise level in the working environment may suffer from
[A].

hearing loss
[B].
rupture of ear drum
[C].
nervousness & fatigue
[D].
all (a), (b) & (c)

Answer: Option D

Explanation:

No answer description available for this question.

Read More A man exposed to excessive noise level in the working environment may suffer from
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Heat of reaction at constant volume is identified with __________ change.

Question: Heat of reaction at constant volume is identified with __________ change.
[A].

enthalpy
[B].
internal energy
[C].
either (a) or (b)
[D].
neither (a) nor (b)

Answer: Option B

Explanation:

No answer description available for this question.

Read More Heat of reaction at constant volume is identified with __________ change.
CHEMICAL ENGINEERING | Chemical Engineering Basics

__________ method of depreciation calculation ensures that the interest is charged on the cost of machine asset every year on the book value, but the rate of depreciation remains constant every year.

Question: __________ method of depreciation calculation ensures that the interest is charged on the cost of machine asset every year on the book value, but the rate of depreciation remains constant every year.
[A].

Annuity charging
[B].
Atraight line
[C].
Ainking fund
[D].
None of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ method of depreciation calculation ensures that the interest is charged on the cost of machine asset every year on the book value, but the rate of depreciation remains constant every year.

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