Madanswer Technologies Interview Questions Data|Agile|DevOPs|Python - Recent questions in Chemical Process Calculation

What is carbon sequestration?

Sun, 17 Oct 2021 11:48:01 +0000

What is carbon sequestration?

What is Flocculation?

Sun, 17 Oct 2021 11:47:36 +0000

What is Flocculation?

What are the name plates on Ammonia Tankers?

Sun, 17 Oct 2021 11:47:14 +0000

What are the name plates on Ammonia Tankers?

What is the firetriangle?

Sun, 17 Oct 2021 11:46:48 +0000

What is the firetriangle?

What is driving force in mass transfer?

Sun, 17 Oct 2021 11:46:22 +0000

What is driving force in mass transfer?

What is the critical radius of insulation?

Sun, 17 Oct 2021 11:45:55 +0000

What is the critical radius of insulation?

What is entropy?

Sun, 17 Oct 2021 11:44:54 +0000

What is entropy?

What is a CSTR?

Sun, 17 Oct 2021 11:44:30 +0000

What is a CSTR?

What is an isochoric process?

Sun, 17 Oct 2021 11:44:05 +0000

What is an isochoric process?

What is Gibbs free energy?

Sun, 17 Oct 2021 11:43:31 +0000

What is Gibbs free energy?

What is arrehenius equation and why it is used?

Sun, 17 Oct 2021 11:43:00 +0000

What is arrehenius equation and why it is used?

What is an isomer?

Sun, 17 Oct 2021 11:42:30 +0000

What is an isomer?

Why taps were given in steam pipelines?

Sun, 17 Oct 2021 11:42:07 +0000

Why taps were given in steam pipelines?

What are the three classes of organic solvent?

Sun, 17 Oct 2021 11:41:43 +0000

What are the three classes of organic solvent?

Do you know third law of thermodynamics? Please explain.

Sun, 17 Oct 2021 11:41:17 +0000

Do you know third law of thermodynamics? Please explain.

What is quicklime and where it is used?

Sun, 17 Oct 2021 11:40:41 +0000

What is quicklime and where it is used?

What is Poly Chlorinated Biphenyls?

Sun, 17 Oct 2021 11:40:15 +0000

What is Poly Chlorinated Biphenyls?

What is a solvent?

Sun, 17 Oct 2021 11:39:43 +0000

What is a solvent?

Values of vapour at temperature and pressure exceeding those at saturation is

Mon, 04 Oct 2021 02:56:58 +0000

Values of vapour at temperature and pressure exceeding those at saturation is

Choose the correct option from below:

a)Superheated vapour

b)Sub-cooled vapour

c)Below critical point vapour

d)None of the mentioned

The pressure along the melting curve is

Mon, 04 Oct 2021 02:56:37 +0000

The pressure along the melting curve is

Choose the correct option from below:

a)Sublimation pressure

b)Saturation pressure

c)Condensation pressure

d)None of the mentioned

The temperature at which the solid melts at 1 atm is called

Mon, 04 Oct 2021 02:56:13 +0000

The temperature at which the solid melts at 1 atm is called

Choose the correct option from below:

a)Normal boiling point

b)Normal melting point

c)Normal freezing point

d)None of the mentioned

The temperature at which a liquid will begin to boil at the standard atmospheric pressure is

Mon, 04 Oct 2021 02:55:56 +0000

The temperature at which a liquid will begin to boil at the standard atmospheric pressure is

Choose the correct option from below:

a)Normal boiling point

b)Normal melting point

c)Normal freezing point

d)None of the mentioned

Change in phase from solid to vapour

Mon, 04 Oct 2021 02:55:33 +0000

Change in phase from solid to vapour

Choose the correct option from below:

a)Melting

b)Boiling

c)Evaporation

d)Sublimation

The change of phase from liquid to solid is

Mon, 04 Oct 2021 02:55:09 +0000

The change of phase from liquid to solid is

Choose the correct option from below:

a)Freezing

b)Evaporation

c)Sublimation

d)None of the mentioned

Boiling occurs at ____ temperature and _ pressure, the process appears as a point in __ diagram.

Mon, 04 Oct 2021 02:54:43 +0000

Boiling occurs at ________ temperature and _______ pressure, the process appears as a point in ____ diagram.

Choose the correct option from below:

a)Constant, constant, P-T

b)Variable, constant, P-T

c)Constant, variable, V-T

d)Variable, variable, V-T

The change of phase from liquid to vapour is

Mon, 04 Oct 2021 02:54:19 +0000

The change of phase from liquid to vapour is

Choose the correct option from below:

a)Condensation

b)Evaporation

c)Sublimation

d)None of the mentioned

Saturated liquid or saturated vapour can be found

Mon, 04 Oct 2021 02:53:37 +0000

Saturated liquid or saturated vapour can be found

Choose the correct option from below:

a)Along the liquid and vapour equilibrium curve

b)Along the liquid and solid equilibrium curve

c)Along the solid and vapour equilibrium curve

d)None of the mentioned

Penicillin is made employing __________ fermentation process.

Mon, 04 Oct 2021 02:52:11 +0000

Penicillin is made employing __________ fermentation process.

a) Continuous

b) Aerobic batch

c) Anaerobic batch

d) None of these

Presence of carbonaceous matter in the sewage

Mon, 04 Oct 2021 02:51:52 +0000

Presence of carbonaceous matter in the sewage

a) Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures

b) Reduces sulphate ions to sulphides causing obnoxious smell

c) Increases the quantity of chlorine used for its purification

d) All a), b) and c)

Fermentation is adversely affected by the

Mon, 04 Oct 2021 02:51:28 +0000

Fermentation is adversely affected by the

a) Presence of air

b) Absence of air

c) High concentration

d) Presence of ammonium salts

Lithophane is

Mon, 04 Oct 2021 02:51:08 +0000

Lithophane is

a) Explosive

b) White lead

c) Filter aid

d) ZnS (white pigment)

In the Solvay process, the product from the calciner is

Mon, 04 Oct 2021 02:50:49 +0000

In the Solvay process, the product from the calciner is

a) Light soda ash

b) Dense soda ash

c) Sodium bicarbonate

d) Dehydrated soda ash

Phenol formaldehyde

Mon, 04 Oct 2021 02:50:28 +0000

Phenol formaldehyde

a) Employs addition polymerization

b) Employs condensation polymerization

c) Is a monomer

d) Is an abrasive material

Naphthols are derivates of

Mon, 04 Oct 2021 02:50:04 +0000

Naphthols are derivates of

a) Methyl amine

b) Naphthalene

c) Phenol

d) Xylene

Blue color is imparted to glass by the addition of

Mon, 04 Oct 2021 02:49:42 +0000

Blue color is imparted to glass by the addition of

a) FeSO4

b) PbO

c) CaO

d) NaOH

Permanent hardness of water can be removed by

Mon, 04 Oct 2021 02:49:19 +0000

Permanent hardness of water can be removed by

a) Boiling

b) Adding Ca(OH)2

c) Boiling it with Na2CO3

d) None of these

Which one of the following is not an elastomer?

Mon, 04 Oct 2021 02:48:57 +0000

Which one of the following is not an elastomer?

a) Polyisoprene

b) Neoprene

c) Nitrile-butadiene

d) None of these

Production of one ton of cement requires about __________ tons of limestone.

Mon, 04 Oct 2021 02:48:39 +0000

Production of one ton of cement requires about __________ tons of limestone.

a) 0.6

b) 1.2

c) 2.2

d) 3.8

Maleic anhydride is produced by catalytic oxidation of

Mon, 04 Oct 2021 02:48:19 +0000

Maleic anhydride is produced by catalytic oxidation of

a) Toluene

b) Ethyl alcohol

c) Naphthalene

d) Benzene

Nitrile rubber is produced by the polymerization of

Mon, 04 Oct 2021 02:47:57 +0000

Nitrile rubber is produced by the polymerization of

a) Acrylonitrile and butadiene

b) Acrylonitrile and styrene

c) Isobutylene and isoprene

d) None of these

SO2 is bubbled through hot sugar cane juice to

Mon, 04 Oct 2021 02:47:38 +0000

SO2 is bubbled through hot sugar cane juice to

a) Act as an acidifying agent

b) Increase its concentration

c) Increase the amount of molasses

d) Increase the crystal size

Which of the following is not present in bagasse fibre?

Mon, 04 Oct 2021 02:47:12 +0000

Which of the following is not present in bagasse fibre?

a) Cellulose

b) Lignin

c) Pentogens

d) None of these

A flow system is also known as

Sun, 03 Oct 2021 11:32:35 +0000

A flow system is also known as

(a) Open System

(b) Closed System

(c) Bounded System

(d) None of the mentioned

This question was addressed to me in a job interview.

My question is based upon Energy Balances topic in division Energy Balances of Chemical Process Calculation

A system that is not in steady state is in a state that is

Sun, 03 Oct 2021 11:31:56 +0000

A system that is not in steady state is in a state that is

(a) Transient state

(b) Unsteady state

(c) Both a and b

(d) Neither a nor b

The question was posed to me during an interview.

The query is from Energy Balances topic in section Energy Balances of Chemical Process Calculation

Electrolysis of water is

Sun, 03 Oct 2021 11:31:12 +0000

Electrolysis of water is

(a) Exothermic

(b) Endothermic

(c) No heat transfer

(d) None of the mentioned

This question was addressed to me in an interview.

I'd like to ask this question from Energy Balances for a Chemical Reaction in division Energy Balances of Chemical Process Calculation