CHEMICAL ENGINEERING | Chemical Process

More than 100 percent of __________ is present in oleum.

Byadmin August 10, 2022

Question: More than 100 percent of __________ is present in oleum.
[A].

SO3

[B].

H2SO4

[C].

H2SO3

[D].

SO2

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles (i.e., froth), which will hold the ore particles, but it does not affect the floatability of minerals. Which of the following is not used as a frother?

Question: Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles (i.e., froth), which will hold the ore particles, but it does not affect the floatability of minerals. Which of the following is not used as a frother?
[A].

Cresylic acid
[B].
Xanthaies
[C].
Pine oil
[D].
all ‘a’ ‘b’ & ‘c’

Answer: Option B

Explanation:

No answer description available for this question.

Read More Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles (i.e., froth), which will hold the ore particles, but it does not affect the floatability of minerals. Which of the following is not used as a frother?
CHEMICAL ENGINEERING | Heat Transfer

With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer

Question: With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer
[A].

decreases
[B].
increases
[C].
increases exponentially
[D].
remains unaffected

Answer: Option A

Explanation:

No answer description available for this question.

Read More With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer
Chemical Process

Penicillin is made employing _______________ fermentation process?

Penicillin is made employing _______________ fermentation process?

A. Continuous
B. Aerobic batch
C. Anaerobic batch
D. None of these

Read More Penicillin is made employing _______________ fermentation process?
CHEMICAL ENGINEERING | Chemical Process

Catalytic oxidation-dehydrogenation of methyl alcohol produces

Question: Catalytic oxidation-dehydrogenation of methyl alcohol produces
[A].

formaldehyde
[B].
phenol
[C].
acetone
[D].
maleic anhydride

Answer: Option A

Explanation:

No answer description available for this question.

Read More Catalytic oxidation-dehydrogenation of methyl alcohol produces
CHEMICAL ENGINEERING | Heat Transfer

An evaporator while concentrating an aqueous solution from 10 to 40% solids evaporates 30000 kg of water. The amount of solids handled by the system in kg is

Question: An evaporator while concentrating an aqueous solution from 10 to 40% solids evaporates 30000 kg of water. The amount of solids handled by the system in kg is
[A].

4000
[B].
9000
[C].
4600
[D].
3000

Answer: Option A

Explanation:

No answer description available for this question.

Read More An evaporator while concentrating an aqueous solution from 10 to 40% solids evaporates 30000 kg of water. The amount of solids handled by the system in kg is
CHEMICAL ENGINEERING | Chemical Reaction Engineering

A catalyst loses its activity due to

Question: A catalyst loses its activity due to
[A].

loss in surface area of the active component.
[B].
agglomeration of metal particles caused by thermal sintering of the solid surface.
[C].
covering of the catalytic active sites by a foregin substance.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More A catalyst loses its activity due to

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