Solvent used in duo-sol extraction for lube oil upgradation is a mixture of (A) Propane & phenol-cresol mixture(B) Methyl ethyl ketone & glycol(C) Phenol & furfural(D) Propane & liquid sulphur dioxide

Solvent used in duo-sol extraction for lube oil upgradation is a mixture
of
(A) Propane & phenol-cresol mixture
(B) Methyl ethyl ketone & glycol
(C) Phenol & furfural
(D) Propane & liquid sulphur dioxide
by

1 Answer

Answer :

(A) Propane & phenol-cresol mixture
by

Related questions

Which of the following is used as a solvent in deasphalting of petroleum products? (A) Furfural (B) Propane (C) Methyl ethyl ketone (D) Liquid sulphur dioxide

Description : Which of the following is used as a solvent in deasphalting of petroleum products? (A) Furfural (B) Propane (C) Methyl ethyl ketone (D) Liquid sulphur dioxide

Last Answer : (B) Propane

Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is (A) Propane (B) Diethylene glycol (C) Aqueous solution (10% water) of diethylene glycol (D) Methyl ethyl ketone (MEK)

Description : Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is (A) Propane (B) Diethylene glycol (C) Aqueous solution (10% water) of diethylene glycol (D) Methyl ethyl ketone (MEK)

Last Answer : (C) Aqueous solution (10% water) of diethylene glycol

Solvent used for extraction of oil is (A) Hexane (B) Methyl ethyl ketone (C) Furfural (D) None of these

Description : Solvent used for extraction of oil is (A) Hexane (B) Methyl ethyl ketone (C) Furfural (D) None of these

Last Answer : (A) Hexane

Solvent used for dewaxing of petroleum products are (A) Furfural (B) Methyl ethyl ketone (MEK) (C) Propane (D) Both (B) & (C

Description : Solvent used for dewaxing of petroleum products are (A) Furfural (B) Methyl ethyl ketone (MEK) (C) Propane (D) Both (B) & (C

Last Answer : (C) Propane

The solvent used in Barisol dewaxing process is (A) Hexane (B) Furfural (C) Benzol and ethylene dichloride (D) Methyl ethyl ketone (MEK

Description : The solvent used in Barisol dewaxing process is (A) Hexane (B) Furfural (C) Benzol and ethylene dichloride (D) Methyl ethyl ketone (MEK

Last Answer : (C) Benzol and ethylene dichloride

The commonly used solvent in supercritical extraction is (A) Methyl ethyl ketone (B) Water (C) Carbon tetrachloride (D) Carbon dioxide

Description : The commonly used solvent in supercritical extraction is (A) Methyl ethyl ketone (B) Water (C) Carbon tetrachloride (D) Carbon dioxide

Last Answer : (D) Carbon dioxide

Solvent used in Edeleanu process is (A) Furfural (B) Propane (C) Liquid SO2 (D) Phenol

Description : Solvent used in Edeleanu process is (A) Furfural (B) Propane (C) Liquid SO2 (D) Phenol

Last Answer : (C) Liquid SO2

The most suitable solvent for deasphalting vacuum residue is (A) Propane (B) Methyl ethyl ketone (C) Doctor's solution (D) Methanol amine

Description : The most suitable solvent for deasphalting vacuum residue is (A) Propane (B) Methyl ethyl ketone (C) Doctor's solution (D) Methanol amine

Last Answer : (B) Methyl ethyl ketone

Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the (A) Elimination of solvent drying facility (B) Higher nitration temperature (C) Lower solvent dilution ratio (D) All (A), (B) & (C)

Description : Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent ... nitration temperature (C) Lower solvent dilution ratio (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

Solvent used in the deasphalting process is (A) Furfural (B) Phenol (C) Propane (D) Hexane

Description : Solvent used in the deasphalting process is (A) Furfural (B) Phenol (C) Propane (D) Hexane

Last Answer : (C) Propane

Most widely used solvent for dewaxing is (A) Methyl-ethyl-ketone (MEK) (B) Naphtha (C) Petroleum ether (D) Sodium plumbite

Description : Most widely used solvent for dewaxing is (A) Methyl-ethyl-ketone (MEK) (B) Naphtha (C) Petroleum ether (D) Sodium plumbite

Last Answer : (A) Methyl-ethyl-ketone (MEK)

Furfural solvent extraction is used for upgrading (by dissolving aromatics) (A) Naphtha (B) Lubricating oils (C) Wax (D) Cracking feedstock

Description : Furfural solvent extraction is used for upgrading (by dissolving aromatics) (A) Naphtha (B) Lubricating oils (C) Wax (D) Cracking feedstock

Last Answer : (B) Lubricating oils

Which is used in preparation of dynamite? (1) glycerol (2) ethyl alcohol (3) methyl alcohol (4) glycol

Description : Which is used in preparation of dynamite? (1) glycerol (2) ethyl alcohol (3) methyl alcohol (4) glycol

Last Answer : (1) glycerol Explanation: Dynamite is an explosive made of nitroglycerin, sorbents (such as powdered shells or clay) and stabilizers. It was invented by the Swedish chemist and engineer Alfred Nobel in Geesthacht, and patented in 1867.

Which is used in preparation of dynamite? (1) glycerol (2) ethyl alcohol (3) methyl alcohol (4) glycol

Description : Which is used in preparation of dynamite? (1) glycerol (2) ethyl alcohol (3) methyl alcohol (4) glycol

Last Answer : (1) glycerol Explanation: Dynamite is an explosive made of nitroglycerin, sorbents (such as powdered shells or clay) and stabilizers. It was invented by the Swedish chemist and engineer Alfred Nobel in Geesthacht, and patented in 1867.

The alcohol used in the preparation of dynamite is----? A. ethyl alcohol B. glycerol (Answer) C. glycol D. methyl alcohol

Description : The alcohol used in the preparation of dynamite is----? A. ethyl alcohol B. glycerol (Answer) C. glycol D. methyl alcohol

Last Answer : B. glycerol (Answer)

Which of the following statements is false? (a) Diethyl ether has been used as a general anesthetic (b) Ethyl alcohol is present in all alcoholic beverages (c) Methyl alcohol is produced by fermentation of sugars (d) Ethylene glycol is a common antifreeze for automobiles

Description : Which of the following statements is false? (a) Diethyl ether has been used as a general anesthetic (b) Ethyl alcohol is present in all alcoholic beverages (c) Methyl alcohol is produced by fermentation of sugars (d) Ethylene glycol is a common antifreeze for automobiles

Last Answer : Methyl alcohol is produced by fermentation of sugars

What is different between methyl ethyl ketone and paint thinner?

Description : What is different between methyl ethyl ketone and paint thinner?

Last Answer : paint thinner is any solvent used either to thin paint or cleanup after finishing painting, typically a mixture of organic solvents with mineral spirits being a major componentmethyl ethyl ketone is an ... be a component in a given brand of paint thinner, also available as a separate product

When ethyl acetoacetate is subjected to ketonic hydrolysis, the ketoneobtained is(a) Dimethyl ketone(b) Methyl ethyl ketone(c) Diethyl ketone(d) Methyl n-propyl ketone

Description : When ethyl acetoacetate is subjected to ketonic hydrolysis, the ketone obtained is (a) Dimethyl ketone (b) Methyl ethyl ketone (c) Diethyl ketone (d) Methyl n-propyl ketone

Last Answer : Diethyl ketone

Pick out the undesirable property for a solvent meant for dewaxing of lube oil. (A) Complete miscibility with oil (B) High solubility of wax in the solvent (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : Pick out the undesirable property for a solvent meant for dewaxing of lube oil. (A) Complete miscibility with oil (B) High solubility of wax in the solvent (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

Refrigerants commonly used for domestic refrigerators are (A) Ethyl chloride or methyl chloride (B) Freon-12 (C) Propane (D) NH3 or CO2

Description : Refrigerants commonly used for domestic refrigerators are (A) Ethyl chloride or methyl chloride (B) Freon-12 (C) Propane (D) NH3 or CO2

Last Answer : (A) Ethyl chloride or methyl chloride

Which one of the following can be oxidized to the corresponding carbonyl compound - (1) O-Nitrophenol (2) Phenol (3) 2-methyl-2-hydroxy propane (4) 2-hydroxy propane

Description : Which one of the following can be oxidized to the corresponding carbonyl compound - (1) O-Nitrophenol (2) Phenol (3) 2-methyl-2-hydroxy propane (4) 2-hydroxy propane

Last Answer : (4) 2-hydroxy propane

Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. (A) Resorcinol (B) Phenol (C) Para-cresol (D) Melamine

Description : Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. (A) Resorcinol (B) Phenol (C) Para-cresol (D) Melamine

Last Answer : (D) Melamine

Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor)? (A) Freon (B) Liquid sulphur dioxide (C) Methyl chloride (D) Ammonia

Description : Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor)? (A) Freon (B) Liquid sulphur dioxide (C) Methyl chloride (D) Ammonia

Last Answer : (A) Freon

Dearomatization of kerosene (by liquid sulphur dioxide extraction) is done to (A) Increase its smoke point (B) Improve its oxidation stability (C) Decrease the breathing loss (D) None of these

Description : Dearomatization of kerosene (by liquid sulphur dioxide extraction) is done to (A) Increase its smoke point (B) Improve its oxidation stability (C) Decrease the breathing loss (D) None of these

Last Answer : (B) Improve its oxidation stability

In the following compounds phenol (I), p-cresol (II), m-nitrophenol (III) and p-nitrophenol (IV), the order of acidity is:

Description : In the following compounds phenol (I), p-cresol (II), m-nitrophenol (III) and p-nitrophenol (IV), the order of acidity is:

Last Answer : In the following compounds phenol (I), p-cresol (II), m-nitrophenol (III) and p- ... `IgtIVgtIIIgtII` C. `IIgtIgtIIIgtIV` D. `IVgtIIIgtIgtII`

Howmany of the following compounds are dissolve in aqeous solution of `NaOH` (1) Phenol (2) p-cresol (3) Benzoic acid (4) Benzene sulphonic acid (5) A

Description : Howmany of the following compounds are dissolve in aqeous solution of `NaOH` (1) Phenol (2) p-cresol (3) Benzoic acid (4) Benzene sulphonic acid (5) A

Last Answer : Howmany of the following compounds are dissolve in aqeous solution of `NaOH` (1) Phenol (2) p-cresol ... P-toluedine (7) Picric acid (8) Squaric acid

Which of the following compounds is most acidic? (a) Phenol (b) m-Nitrophenol (c) m-Cresol (d) m-Bromophenol

Description : Which of the following compounds is most acidic? (a) Phenol (b) m-Nitrophenol (c) m-Cresol (d) m-Bromophenol

Last Answer : m-Nitrophenol

The rate of solid-liquid extraction is limited by the (A) Phase change of the solute as it dissolves in the solvent (B) Diffusion of the solute through the solvent in the pores to the outside of the particle (C) Diffusion of the solute from the solution in contact with the particle to the main bulk of the solution (D) All 'a', 'b' & 'c'

Description : The rate of solid-liquid extraction is limited by the (A) Phase change of the solute as it dissolves in the solvent (B) Diffusion of the solute through the solvent in the pores to the outside of the particle (C) ... contact with the particle to the main bulk of the solution (D) All 'a', 'b' & 'c'

Last Answer : (D) All 'a', 'b' & 'c'

Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when (A) Extracting solvent is cheaply & abundantly available (B) One of the liquid components is heat sensitive (C) Viscosity of liquid components is very high (D) One of the liquid components has very high affinity towards the solvent

Description : Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when (A) Extracting solvent is cheaply & abundantly available ... very high (D) One of the liquid components has very high affinity towards the solvent

Last Answer : (D) One of the liquid components has very high affinity towards the solvent

Deoiling is the process of removal of oil from wax. It is done by the __________ process. (A) Solvent extraction (B) Sweating (C) Resettling (D) All (A), (B) & (C)

Description : Deoiling is the process of removal of oil from wax. It is done by the __________ process. (A) Solvent extraction (B) Sweating (C) Resettling (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

Oil produced by solvent extraction (A) Has low free fatty acid content (B) Is odourless (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Oil produced by solvent extraction (A) Has low free fatty acid content (B) Is odourless (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (D) Neither (A) nor (B)

A binary mixture of benzene and cyclohexane is separated by (A) Flash vaporisation (B) Extractive distillation (C) Solvent extraction (D) Ordinary distillation

Description : A binary mixture of benzene and cyclohexane is separated by (A) Flash vaporisation (B) Extractive distillation (C) Solvent extraction (D) Ordinary distillation

Last Answer : (B) Extractive distillation

In a single stage extraction process, 10 kg of pure solvent S (containing no solute A) is mixed with 30 kg of feed F containing A at a mass fraction xf = 0.2. The mixture splits into an extract phase E and a raffinate phase R containing A at xB = 0.5 and xR = 0.05 respectively. The total mass of the extract phase is (in Kg) (A) 6.89 (B) 8.89 (C) 10 (D) 8.25

Description : In a single stage extraction process, 10 kg of pure solvent S (containing no solute A) is mixed with 30 kg of feed F containing A at a mass fraction xf = 0.2. The mixture splits into an extract phase E and a raffinate ... phase is (in Kg) (A) 6.89 (B) 8.89 (C) 10 (D) 8.25

Last Answer : (B) 8.89

Which of the following is the most commonly used leaching solvent in vegetable oil industry? (A) Phenol (B) Hexane

Description : Which of the following is the most commonly used leaching solvent in vegetable oil industry? (A) Phenol (B) Hexane

Last Answer : (B) Hexane

Denatured spirit is a mixture of ethyl alcohol, methyl alcohol and which other thing? -Do You Know?

Description : Denatured spirit is a mixture of ethyl alcohol, methyl alcohol and which other thing? -Do You Know?

Last Answer : answer:

Denatured spirit is a mixture of ethyl alcohol, methyl alcohol and which other thing?

Description : Denatured spirit is a mixture of ethyl alcohol, methyl alcohol and which other thing?

Last Answer : Pyridine

1. Besides water and light which is more essential as a raw material for photosynthesis? 2. Which can impose reasonable restrictions on the Fundamental Rights of the Indian citizens? 3. Denatured spirit is a mixture of ethyl alcohol, methyl alcohol and which other thing? 4. What is the administrative capital of South Africa? 5. During the 1857 Revolt who captured Gwalior from the Scindhia ?

Description : 1. Besides water and light which is more essential as a raw material for photosynthesis? 2. Which can impose reasonable restrictions on the Fundamental Rights of the Indian citizens? 3. Denatured ... portion remaining above the sea level? 20. At which place is the famous Kailasha Temple located?

Last Answer : Answer : 1. CO2 2. Parliament 3. Pyridine 4. Pretoria 5. Rani Lakshmibai 6. Rabindranath Tagore 7. Profession Tax 8. Due to imbibition 9. Myanmar 10. Dandi March 11. 44th 12. Because of ... Young folded mountains 15. Lord Mountbatten 16. Deolali 17. Phototropism 18. 500 19. 1/10th 20. Ellora

__________ is used as an 'entrainer' for the separation of acetic acid￾water mixture by distillation. (A) Furfural (B) Benzol (C) Butyl acetate (D) Hexane

Description : __________ is used as an 'entrainer' for the separation of acetic acid￾water mixture by distillation. (A) Furfural (B) Benzol (C) Butyl acetate (D) Hexane

Last Answer : (C) Butyl acetate

Pick out the wrong statement. (A) Critical moisture content is not a property of the material itself (B) A sharp increase in pressure drop gives an indication of the flooding in a distillation column (C) Separation of components is not possible in liquid extraction, if selectivity is unity (D) Dehydration of ethyl alcohol is most economically done by molecular distillation at very high vacuum

Description : Pick out the wrong statement. (A) Critical moisture content is not a property of the material itself (B) A sharp increase in pressure drop gives an indication of the flooding in a ... unity (D) Dehydration of ethyl alcohol is most economically done by molecular distillation at very high vacuum

Last Answer : (D) Dehydration of ethyl alcohol is most economically done by molecular distillation at very high vacuum

Pick out the correct statement. (A) In case of liquid-liquid extraction, no separation is possible, if the selectivity of the solvent used is unity (B) With increase in temperature, the selectivity of the solvent used in solvent extraction decreases (C) The selectivity of solvent used in solvent extraction is unity at the plait point (D) All (A), (B) and (C)

Description : Pick out the correct statement. (A) In case of liquid-liquid extraction, no separation is possible, if the selectivity of the solvent used is unity (B) With increase in temperature, the selectivity of the solvent used ... in solvent extraction is unity at the plait point (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

The solvent used in liquid-liquid extraction should have __________ less than one. (A) Selectivity (B) Distribution co-efficient(C) Both (A) and (B)(D) Neither (A) nor (B)

Description : The solvent used in liquid-liquid extraction should have __________ less than one. (A) Selectivity (B) Distribution co-efficient (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (D) Neither (A) nor (B)

The solvent used in liquid extraction should not have high latent heat of vaporisation, because (A) The pressure drop and hence the pumping cost will be very high (B) It cannot be recovered by distillation (C) Its recovery cost by distillation may be prohibitively high (D) It will decompose while recovering by distillation

Description : The solvent used in liquid extraction should not have high latent heat of vaporisation, because (A) The pressure drop and hence the pumping cost will be very high (B) It cannot ... by distillation may be prohibitively high (D) It will decompose while recovering by distillation

Last Answer : (C) Its recovery cost by distillation may be prohibitively high

In liquid extraction, if the selectivity is unity, then (A) Separation of the constituents is the most effective (B) No separation will occur (C) Amount of solvent required will be minimum (D) Solvent flow rate should be very low

Description : In liquid extraction, if the selectivity is unity, then (A) Separation of the constituents is the most effective (B) No separation will occur (C) Amount of solvent required will be minimum (D) Solvent flow rate should be very low

Last Answer : (B) No separation will occur

__________ treatment is done for appreciable improvement in viscosity index of lubricating oil. (A) Acid (B) Solvent extraction (C) Alkali (D) Clay

Description : __________ treatment is done for appreciable improvement in viscosity index of lubricating oil. (A) Acid (B) Solvent extraction (C) Alkali (D) Clay

Last Answer : (B) Solvent extraction

Pick out the wrong statement pertaining to solvent extraction of oil. Rate of extraction (A) Decreases with decrease of thickness of the flakes(B) Increases with the increasing flake size keeping the flake thicknessconstant(C) Increases considerably with the rise of temperature(D) Decreases as the moisture content of flakes increases

Description : Pick out the wrong statement pertaining to solvent extraction of oil. Rate of extraction (A) Decreases with decrease of thickness of the flakes (B) Increases with the increasing flake size ... considerably with the rise of temperature (D) Decreases as the moisture content of flakes increases

Last Answer : (D) Decreases as the moisture content of flakes increases

The Killer gas which caused Bhopal gas tragedy in 1984 was (A) Phosgene (B) Methyl isocyanate (MIC) (C) Carbon monoxide (D) Sulphur dioxide

Description : The Killer gas which caused Bhopal gas tragedy in 1984 was (A) Phosgene (B) Methyl isocyanate (MIC) (C) Carbon monoxide (D) Sulphur dioxide

Last Answer : (B) Methyl isocyanate (MIC)

The starting material used for the manufacture of caprolactam is (A) Ethyl benzene (B) Cyclohexane (C) Ethylene glycol (D) DMT

Description : The starting material used for the manufacture of caprolactam is (A) Ethyl benzene (B) Cyclohexane (C) Ethylene glycol (D) DMT

Last Answer : (B) Cyclohexane