Flash point of atmospheric distillation residue is determined by __________ apparatus. (A) Pensky-Martens (closed cup type) (B) Abel (C) Cleveland (open cup type) (D) None of these

Flash point of atmospheric distillation residue is determined by
__________ apparatus.
(A) Pensky-Martens (closed cup type)
(B) Abel
(C) Cleveland (open cup type)
(D) None of these
by

1 Answer

Answer :

(C) Cleveland (open cup type)
by

Related questions

Flash point of diesel/kerosene (>50°C) is determined by the (A) Abel apparatus (B) Pensky-Martens apparatus (C) Saybolt chromometer (D) None of these

Description : Flash point of diesel/kerosene (>50°C) is determined by the (A) Abel apparatus (B) Pensky-Martens apparatus (C) Saybolt chromometer (D) None of these

Last Answer : (A) Abel apparatus

Flash point of an oil is determined by the (A) Pensky Martens apparatus (B) Ramsbottom apparatus (C) Saybolt viscometer (D) Conradson apparatus

Description : Flash point of an oil is determined by the (A) Pensky Martens apparatus (B) Ramsbottom apparatus (C) Saybolt viscometer (D) Conradson apparatus

Last Answer : (A) Pensky Martens apparatus

Pick out the wrong statement. (A) Pensky-Marten apparatus is used for determining flash points above 50°C (B) Characterisation factor of paraffinic crude oil is more than 12 (C) Abel apparatus is used for determining flash points below 50°C (D) An oil having high susceptibility to change in viscosity with temperature changes, has a high viscosity index

Description : Pick out the wrong statement. (A) Pensky-Marten apparatus is used for determining flash points above 50°C (B) Characterisation factor of paraffinic crude oil is more than 12 (C) Abel ... An oil having high susceptibility to change in viscosity with temperature changes, has a high viscosity index

Last Answer : (D) An oil having high susceptibility to change in viscosity with temperature changes, has a high viscosity index

Pensky-Marten apparatus is used for those oils, whose flash points are __________ °F. (A) < 120 (B) > 120 (C) < 90 (D) 90-110

Description : Pensky-Marten apparatus is used for those oils, whose flash points are __________ °F. (A) < 120 (B) > 120 (C) < 90 (D) 90-110

Last Answer : (B) > 120

Abel apparatus is used for those oils, whose flash points are _______°F. (A) < 120 (B) > 120 (C) > 280 (D) 300-600

Description : Abel apparatus is used for those oils, whose flash points are _______°F. (A) < 120 (B) > 120 (C) > 280 (D) 300-600

Last Answer : (A) < 120

Carbon content of pitch (residue of coal tar distillation) is around __________ percent. (A) 70 (B) 55(C) 80 (D) 94

Description : Carbon content of pitch (residue of coal tar distillation) is around __________ percent. (A) 70 (B) 55 (C) 80 (D) 94

Last Answer : (D) 94

A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state, (A) Composition of vapors and that of liquid do not vary throughout the column (B) Reboiler load and condenser load are minimum (C) The top and bottom compositions are unchanged with and without total reflux (D) The top and bottom compositions correspond to the maximum enrichment available

Description : A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are ... and without total reflux (D) The top and bottom compositions correspond to the maximum enrichment available

Last Answer : (D) The top and bottom compositions correspond to the maximum enrichment available

Which one is used to determine the colour of petroleum products? (A) Colour comparator (B) Saybolt chromometer (C) Cleveland apparatus (D) None of these

Description : Which one is used to determine the colour of petroleum products? (A) Colour comparator (B) Saybolt chromometer (C) Cleveland apparatus (D) None of these

Last Answer : (A) Colour comparator

Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil (A) Gives higher yield of petrol (B) Lower octane number of petrol (C) Higher sulphur content in the product (D) Higher gum forming material in petro

Description : Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil (A) Gives higher yield of petrol (B) Lower octane number of petrol (C) Higher sulphur content in the product (D) Higher gum forming material in petro

Last Answer : (A) Gives higher yield of petrol

Rayleigh's equation applies to __________ distillation. (A) Continuous (B) Steam (C) Differential (D) Flash

Description : Rayleigh's equation applies to __________ distillation. (A) Continuous (B) Steam (C) Differential (D) Flash

Last Answer : (C) Differential

Rayleigh equation applies to __________ distillation. (A) Differential (B) Flash (C) Equilibrium (D) Molecular

Description : Rayleigh equation applies to __________ distillation. (A) Differential (B) Flash (C) Equilibrium (D) Molecular

Last Answer : (A) Differential

Pick out the wrong statement. (A) LPG is also used as fuel for automobiles & small furnaces and for cutting & welding of metals (B) The minimum temperature, at which a petroleum oil vapor catches fire and continues to burn, is called its flash point (C) Each ton of petroleum oil on distillation produces about 30-50 Nm3 of gas (D) Maximum yield of naphthalene is obtained on distillation of crude oil

Description : Pick out the wrong statement. (A) LPG is also used as fuel for automobiles & small furnaces and for cutting & welding of metals (B) The minimum temperature, at which a petroleum oil vapor catches ... about 30-50 Nm3 of gas (D) Maximum yield of naphthalene is obtained on distillation of crude oil

Last Answer : (B) The minimum temperature, at which a petroleum oil vapor catches fire and continues to burn, is called its flash point

In the atmospheric pressure crude distillation, the content of __________ from lighter fraction to heavier ones. (A) Sulphur increases (B) Sulphur decreases (C) Nitrogen decreases (D) None of these

Description : In the atmospheric pressure crude distillation, the content of __________ from lighter fraction to heavier ones. (A) Sulphur increases (B) Sulphur decreases (C) Nitrogen decreases (D) None of these

Last Answer : (A) Sulphur increases

Water-ethyl alcohol solution can be concentrated (in respect of alcohol concentration) by __________ distillation. (A) Atmospheric (B) Vacuum (C) High pressure (D) None of these

Description : Water-ethyl alcohol solution can be concentrated (in respect of alcohol concentration) by __________ distillation. (A) Atmospheric (B) Vacuum (C) High pressure (D) None of these

Last Answer : (B) Vacuum

Which of the following is the most suitable feed for platforming process (reforming)? (A) Olefinic hydrocarbon (B) Naphtha (C) Fuel oil (D) Atmospheric residue

Description : Which of the following is the most suitable feed for platforming process (reforming)? (A) Olefinic hydrocarbon (B) Naphtha (C) Fuel oil (D) Atmospheric residue

Last Answer : (A) Olefinic hydrocarbon

Which of the following fractions of petroleum contains maximum sulphur? (A) Diesel (B) Gasoline (C) Naphtha (D) Atmospheric residue

Description : Which of the following fractions of petroleum contains maximum sulphur? (A) Diesel (B) Gasoline (C) Naphtha (D) Atmospheric residue

Last Answer : (D) Atmospheric residue

Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of(A) Thermal cracking(B) Gum formation(C) Coking(D) Discoloration

Description : Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of (A) Thermal cracking (B) Gum formation (C) Coking (D) Discoloration

Last Answer : (C) Coking

Explain with a neat sketch the working of the apparatus used for distillation on laboratory scale.

Description : Explain with a neat sketch the working of the apparatus used for distillation on laboratory scale. 

Last Answer : There are two apparatus used for distillation on laboratory scale. 1. Simple apparatus. 2. Still apparatus. Simple apparatus: Working: 1. Water is filled in the round bottom flask. ... level device is fitted in such a way that only heated water free from gases enters the boiler. 

Nitrogen present in the flue gas is determined in the Orsat apparatus by absorbing it in (A) KOH (B) Ammoniacal cuprous chloride (C) Pyrogallol solution(D) None of these

Description : Nitrogen present in the flue gas is determined in the Orsat apparatus by absorbing it in (A) KOH (B) Ammoniacal cuprous chloride (C) Pyrogallol solution (D) None of these

Last Answer : (D) None of these

Flash distillation is suitable for separating the constituents of a binary system, which (A) Form minimum boiling azeotrope (B) Have very wide boiling points (C) Have very close boiling points (D) Form constant boiling azeotrope

Description : Flash distillation is suitable for separating the constituents of a binary system, which (A) Form minimum boiling azeotrope (B) Have very wide boiling points (C) Have very close boiling points (D) Form constant boiling azeotrope

Last Answer : (B) Have very wide boiling points

Pick out the wrong statement. (A) Constant pressure distillation cannot separate an Azeotropic mixture (B) Relative volatility of a binary mixture changes appreciably with the minor change in temperature (C) The relative volatility of a binary mixture at Azeotropic composition is unity (D) Flash distillation is practised on wide spread scale in petroleum refinery

Description : Pick out the wrong statement. (A) Constant pressure distillation cannot separate an Azeotropic mixture (B) Relative volatility of a binary mixture changes appreciably with the minor change in ... unity (D) Flash distillation is practised on wide spread scale in petroleum refinery

Last Answer : (B) Relative volatility of a binary mixture changes appreciably with the minor change in temperature

Pick out the correct statement. (A) Ponchan-Savarit method is more accurate than McCabe-Thiele method to determine the number of theoretical stages required for the separation of non￾ideal binary system by distillation (B) A sharp decrease in pressure drop is an indication of flooding in a distillation coloumn (C) Solvent used in extractive distillation should be of high volatility (D) Flash distillation is suitable for separating components which have very close boiling temperature

Description : Pick out the correct statement. (A) Ponchan-Savarit method is more accurate than McCabe-Thiele method to determine the number of theoretical stages required for the separation of ... Flash distillation is suitable for separating components which have very close boiling temperature

Last Answer : (A) Ponchan-Savarit method is more accurate than McCabe-Thiele method to determine the number of theoretical stages required for the separation of non￾ideal binary system by distillation

Flash distillation is suitable for the separation of components (A) Having very close boiling points (B) Which form maximum boiling azeotrope (C) Having very wide boiling points (D) Which form minimum boiling azeotrope

Description : Flash distillation is suitable for the separation of components (A) Having very close boiling points (B) Which form maximum boiling azeotrope (C) Having very wide boiling points (D) Which form minimum boiling azeotrope

Last Answer : (C) Having very wide boiling points

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

Flash distillation is (A) Same as differential distillation (B) Used for multi-component systems like crude refining (C) Same as simple distillation (D) Most useful for handling binary systems

Description : Flash distillation is (A) Same as differential distillation (B) Used for multi-component systems like crude refining (C) Same as simple distillation (D) Most useful for handling binary systems

Last Answer : (B) Used for multi-component systems like crude refining

Large scale usage of flash distillation is practised in (A) Soap manufacturing (B) Ammonia synthesis plant (C) Polymerisation industry (D) Petroleum refining

Description : Large scale usage of flash distillation is practised in (A) Soap manufacturing (B) Ammonia synthesis plant (C) Polymerisation industry (D) Petroleum refining

Last Answer : (D) Petroleum refining

Who among the following became the first woman to win the Abel prize 2019?

Description : Who among the following became the first woman to win the Abel prize 2019?

Last Answer : Karen Uhlenbeck

Bottom product of atmospheric pressure crude oil distillation column is termed as (A) Reduced crude (B) Heavy ends (C) Asphalt (D) Residuum

Description : Bottom product of atmospheric pressure crude oil distillation column is termed as (A) Reduced crude (B) Heavy ends (C) Asphalt (D) Residuum

Last Answer : (A) Reduced crude

Steam distillation is not recommended to be used, if the (A) Azeotropic mixture is to be separated and the final product is miscible with water (B) Liquids decompose, if distilled directly at atmospheric pressure (C) Material cannot be distilled by indirect heating even under low pressure, because of the high boiling temperature (D) Material to be distilled is thermally unstable or has the tendency to react with other components associated with it, at the boiling temperature

Description : Steam distillation is not recommended to be used, if the (A) Azeotropic mixture is to be separated and the final product is miscible with water (B) Liquids decompose, if ... unstable or has the tendency to react with other components associated with it, at the boiling temperature

Last Answer : (A) Azeotropic mixture is to be separated and the final product is miscible with water

Concentration of hydrogen peroxide is done by(A) Crystallisation(B) Vacuum crystallisation(C) Atmospheric distillation(D) Dehydration

Description : Concentration of hydrogen peroxide is done by (A) Crystallisation (B) Vacuum crystallisation (C) Atmospheric distillation (D) Dehydration

Last Answer : (B) Vacuum crystallisation

How do I stop my Dr Martens from cracking?

Description : How do I stop my Dr Martens from cracking?

Last Answer : I’ve heard about trying vasoline, but this is second-hand information.

Do Doc Martens run small, narrow, etc.?

Description : Do Doc Martens run small, narrow, etc.?

Last Answer : In my experience, there is nothing like actually trying them on. I’d suggest a visit to the mall to avoid having to return a present if they don’t fit like you thought they would.

Do Doc Martens run small, narrow, etc.?

Description : Do Doc Martens run small, narrow, etc.?

Last Answer : In my experience, there is nothing like actually trying them on. I’d suggest a visit to the mall to avoid having to return a present if they don’t fit like you thought they would.

How to get rid of martens in the soil?

Description : How to get rid of martens in the soil?

Last Answer : I would personally leave her there if I could. Otherwise, it is given to expel human hair, dog fur, shit from some predator. She doesn't like it if she plays radio there all the time.

What year did Walmart first open in Cleveland GA?

Description : What year did Walmart first open in Cleveland GA?

Last Answer : Feel Free to Answer

Thermo-compressor is commonly used for a) compressing hot air b) flash steam recovery c) distillation d) reverse compression of CO2

Description : Thermo-compressor is commonly used for a) compressing hot air b) flash steam recovery c) distillation d) reverse compression of CO2

Last Answer : flash steam recovery

Components, having widely different boiling point in a binary mixture, can be separated using __________ distillation. (A) Molecular (B) Extractive (C) Steam (D) Simple

Description : Components, having widely different boiling point in a binary mixture, can be separated using __________ distillation. (A) Molecular (B) Extractive (C) Steam (D) Simple

Last Answer : (D) Simple

When the mixture to be distilled has a very high boiling point and the product material is heat sensitive, the separation technique to be used is __________ distillation. (A) Continuous (B) Steam (C) Azeotropic (D) None of these

Description : When the mixture to be distilled has a very high boiling point and the product material is heat sensitive, the separation technique to be used is __________ distillation. (A) Continuous (B) Steam (C) Azeotropic (D) None of these

Last Answer : (B) Steam

Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C. (A) -83 (B) -183 (C) -196 (D) -218

Description : Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C. (A) -83 (B) -183 (C) -196 (D) -218

Last Answer : (B) -183

Reid vapour pressure of gasoline is the measure of its (A) Pour point (B) Cloud point (C) Vapour locking tendency (D) Carbon residue

Description : Reid vapour pressure of gasoline is the measure of its (A) Pour point (B) Cloud point (C) Vapour locking tendency (D) Carbon residue

Last Answer : (C) Vapour locking tendency

In a/an __________ vessel, the fluid enters and leaves following plug flow. (A) Open (B) Closed (C) Open-closed (D) Close-opened

Description : In a/an __________ vessel, the fluid enters and leaves following plug flow. (A) Open (B) Closed (C) Open-closed (D) Close-opened

Last Answer : (B) Closed

A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor. (A) Isolated (B) Closed (C) Open (D) None of these

Description : A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor. (A) Isolated (B) Closed (C) Open (D) None of these

Last Answer : (C) Open

A system in which there is exchange of energy but not of mass, is called a/an __________ system. (A) Isolated (B) Open (C) Insulated (D) Closed

Description : A system in which there is exchange of energy but not of mass, is called a/an __________ system. (A) Isolated (B) Open (C) Insulated (D) Closed

Last Answer : (D) Closed

Rotary lime kiln is an example of a/an __________ system. (A) Closed (B) Open (C) Isolated (D) Non-thermodynamic

Description : Rotary lime kiln is an example of a/an __________ system. (A) Closed (B) Open (C) Isolated (D) Non-thermodynamic

Last Answer : (B) Open

Flash point of motor gasoline may be around __________ °C. (A) 10 (B) 45 (C) 100 (D) 150

Description : Flash point of motor gasoline may be around __________ °C. (A) 10 (B) 45 (C) 100 (D) 150

Last Answer : (B) 45

__________ prohibits the use of alcohols directly in petrol engines. (A) Low octane number (B) High cost & availability (C) Low flash point (D) Low calorific value

Description : __________ prohibits the use of alcohols directly in petrol engines. (A) Low octane number (B) High cost & availability (C) Low flash point (D) Low calorific value

Last Answer : (B) High cost & availability

Flash point of most vegetable oils is about __________ °C. (A) 50 (B) 100 (C) 200 (D) 300

Description : Flash point of most vegetable oils is about __________ °C. (A) 50 (B) 100 (C) 200 (D) 300

Last Answer : (C) 200

In fineness test on cement, residue left on I.S. sieve no.9 shall not exceed __________ by weight of the sample of cement [ A ] 5% [ B ] 10% [ C ] 15% [ D ] 20%

Description : In fineness test on cement, residue left on I.S. sieve no.9 shall not exceed __________ by weight of the sample of cement [ A ] 5% [ B ] 10% [ C ] 15% [ D ] 20%

Last Answer : [ B ] 10%

From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. (A) 5 (B) 50 (C) 500 (D) 5000

Description : From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. (A) 5 (B) 50 (C) 500 (D) 5000

Last Answer : (A) 5