CHEMICAL ENGINEERING | Chemical Process

Mercury cells for caustic soda manufacture, compared to diaphragm cells

Byadmin August 10, 2022

Question: Mercury cells for caustic soda manufacture, compared to diaphragm cells
[A].

require lower initial investment.

[B].

require more power.

[C].

produce lower concentration NaOH.

[D].

none of these.

Answer: Option D

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Fluid Mechanics

__________ forces do not act in case of fluid flow.

Question: __________ forces do not act in case of fluid flow.
[A].

Elastic
[B].
Tensile
[C].
Vibratory
[D].
Centrifugal

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ forces do not act in case of fluid flow.
CHEMICAL ENGINEERING | Fluid Mechanics

For a given Reynolds number, in a hydraulically smooth pipe, further smoothening __________ the friction factor.

Question: For a given Reynolds number, in a hydraulically smooth pipe, further smoothening __________ the friction factor.
[A].

brings about no further reduction of
[B].
increases
[C].
decreases
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More For a given Reynolds number, in a hydraulically smooth pipe, further smoothening __________ the friction factor.
CHEMICAL ENGINEERING | Fuels and Combustion

A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the ‘carpet loss’. The carpet loss may be of the order of __________ cms.

Question: A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the ‘carpet loss’. The carpet loss may be of the order of __________ cms.
[A].

1 to 2
[B].
3 to 4
[C].
5 to 15
[D].
20 to 40

Answer: Option C

Explanation:

No answer description available for this question.

Read More A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the ‘carpet loss’. The carpet loss may be of the order of __________ cms.
CHEMICAL ENGINEERING | Chemical Process

Hydrogenation of oil/fat does not

Question: Hydrogenation of oil/fat does not
[A].

improve its resistance to rancid oxidation.
[B].
raise its melting point.
[C].
remove double bonds.
[D].
none of these.

Answer: Option D

Explanation:

No answer description available for this question.

Read More Hydrogenation of oil/fat does not
CHEMICAL ENGINEERING | Heat Transfer

Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by

Question: Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by
[A].

keeping the heat transfer surface clean.
[B].
enhancing the fluid pumping rate.
[C].
increasing the tube length.
[D].
none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by
CHEMICAL ENGINEERING | Heat Transfer

In a heat exchanger, one transfer unit means

Question: In a heat exchanger, one transfer unit means
[A].

a section of the exchanger in which change in temperature of one stream equals the average driving force in the section.
[B].
the size of the exchanger in which heat transfer rate is 1 kcal/hr.
[C].
both (a) and (b)
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More In a heat exchanger, one transfer unit means

Similar Posts