CHEMICAL ENGINEERING | Environmental Engineering

Carbonaceous particles having size less than 1 μm are called

Byadmin August 12, 2022

Question: Carbonaceous particles having size less than 1 μm are called
[A].

grit

[B].

aggregates

[C].

aerosols

[D].

smoke

Answer: Option D

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Process

Permanent hardness of water can be removed by

Question: Permanent hardness of water can be removed by
[A].

simply boiling.
[B].
adding alum.
[C].
passing it through cation & anion exchangers.
[D].
all (a), (b) and (c).

Answer: Option C

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Chemical Process

Hydrogenation of oil takes place in a/an __________ reactor.

Question: Hydrogenation of oil takes place in a/an __________ reactor.
[A].

autothermal
[B].
trickle bed
[C].
plug flow
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Hydrogenation of oil takes place in a/an __________ reactor.
CHEMICAL ENGINEERING | Chemical Engineering Plant Economics

Chemical engineering plant cost index is used for finding the present cost of a particular chemical plant, if the cost of similar plant at some time in the past is known. The present cost of the plant = original cost x The most major component of this cost index is

Question: Chemical engineering plant cost index is used for finding the present cost of a particular chemical plant, if the cost of similar plant at some time in the past is known. The present cost of the plant = original cost x The most major component of this cost index is
[A].

fabricated equipment and machinery.
[B].
process instruments and control.
[C].
pumps and compressor.
[D].
electrical equipments and material.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Chemical engineering plant cost index is used for finding the present cost of a particular chemical plant, if the cost of similar plant at some time in the past is known. The present cost of the plant = original cost x The most major component of this cost index is
CHEMICAL ENGINEERING | Thermodynamics for Chemical

The number of degrees of freedom at the triple point of water is__________________?

The number of degrees of freedom at the triple point of water is__________________?

A. 0
B. 1
C. 2
D. 3

Read More The number of degrees of freedom at the triple point of water is__________________?
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

At __________ point, all the three phases (i.e.solid, liquid and gas) co-exist.

Question: At __________ point, all the three phases (i.e.solid, liquid and gas) co-exist.
[A].

eutcetic
[B].
triple
[C].
plait
[D].
critical

Answer: Option B

Explanation:

No answer description available for this question.

Read More At __________ point, all the three phases (i.e.solid, liquid and gas) co-exist.
CHEMICAL ENGINEERING | Chemical Process

Lurgi coal gasifier is a pressurised __________ bed reactor.

Question: Lurgi coal gasifier is a pressurised __________ bed reactor.
[A].

moving
[B].
fixed
[C].
fluidised
[D].
entrained

Answer: Option A

Explanation:

No answer description available for this question.

Read More Lurgi coal gasifier is a pressurised __________ bed reactor.

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