CHEMICAL ENGINEERING | Chemical Process

__________ paper is used in the manufacture of newsprint paper.

Byadmin August 11, 2022

Question: __________ paper is used in the manufacture of newsprint paper.
[A].

Groundwood

[B].

Board

[C].

Tissue

[D].

Wrapping

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Fluid Mechanics

A bed consists of particles of density 2000 kg/m3. If the height of the bed is 1.5 metres and its porosity 0.6, the pressure drop required to fluidise the bed by air is

Question: A bed consists of particles of density 2000 kg/m3. If the height of the bed is 1.5 metres and its porosity 0.6, the pressure drop required to fluidise the bed by air is
[A].

25.61 kPa
[B].
11.77 kPa
[C].
14.86 kPa
[D].
21.13 kPa

Answer: Option B

Explanation:

No answer description available for this question.

Read More A bed consists of particles of density 2000 kg/m3. If the height of the bed is 1.5 metres and its porosity 0.6, the pressure drop required to fluidise the bed by air is
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

__________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very low.

Question: __________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very low.
[A].

Bucket
[B].
Throttling
[C].
Separating
[D].
A combination of separating & throttling

Answer: Option D

Explanation:

No answer description available for this question.

Read More __________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very low.
CHEMICAL ENGINEERING | Heat Transfer

Heat transfer by natural convection is enhanced in system with

Question: Heat transfer by natural convection is enhanced in system with
[A].

high viscosity.
[B].
high co-efficient of thermal expansion.
[C].
low temperature gradients.
[D].
low density change with temperature.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Heat transfer by natural convection is enhanced in system with
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Entropy change for an irreversible process taking system and surrounding together is

Question: Entropy change for an irreversible process taking system and surrounding together is
[A].

0
[B].
> 0
[C].
< 0
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Entropy change for an irreversible process taking system and surrounding together is
CHEMICAL ENGINEERING | Chemical Process

Oils are partially hydrogenated (not fully) to manufacture vanaspati, because fully saturated solidified oils

Question: Oils are partially hydrogenated (not fully) to manufacture vanaspati, because fully saturated solidified oils
[A].

cause cholesterol build up and blood clotting.
[B].
are prone to rancid oxidation.
[C].
always contain some amount of nickel (as their complete removal is very difficult).
[D].
have affinity to retain harmful sulphur compounds.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Oils are partially hydrogenated (not fully) to manufacture vanaspati, because fully saturated solidified oils
Chemical Process

Presence of H2S in raw water (to be chlorinated) results in the_____________________?

Presence of H2S in raw water (to be chlorinated) results in the_____________________?

A. Reduced softening capacity of zeolite
B. Increased dosage of chlorine to provide a disinfecting residual in the water
C. Easy removal of its hardness
D. None of these

Read More Presence of H2S in raw water (to be chlorinated) results in the_____________________?

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