Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a (A) Disc bowl centrifuge (B) Sharpies super-centrifuge (C) Batch basket centrifuge

Where the density difference of the two liquid phase to be separated is
very small (as in milk cream separator), the most suitable separator is a
(A) Disc bowl centrifuge
(B) Sharpies super-centrifuge
(C) Batch basket centrifuge
by

1 Answer

Answer :

(A) Disc bowl centrifuge
by

Related questions

__________ centrifuge is the most suitable for separation of non-friable crystals. (A) Tubular bowl (B) Disc-bowl (C) Perforated horizontal basket continuous (D) Suspended batch baske

Description : __________ centrifuge is the most suitable for separation of non-friable crystals. (A) Tubular bowl (B) Disc-bowl (C) Perforated horizontal basket continuous (D) Suspended batch baske

Last Answer : (C) Perforated horizontal basket continuous

Which of the following can be most effectively used for clarification of lube oil and printing ink? (A) Sparkler filter (B) Pre-coat filter (C) Disc-bowl centrifuge (D) Sharpies super-centrifuge

Description : Which of the following can be most effectively used for clarification of lube oil and printing ink? (A) Sparkler filter (B) Pre-coat filter (C) Disc-bowl centrifuge (D) Sharpies super-centrifuge

Last Answer : (D) Sharpies super-centrifuge

__________ Centrifuge is normally used in sugar mills. (A) Tubular bowl (B) Disc-bowl (C) Suspended batch basket (D) Perforated horizontal basket continuous

Description : __________ Centrifuge is normally used in sugar mills. (A) Tubular bowl (B) Disc-bowl (C) Suspended batch basket (D) Perforated horizontal basket continuous

Last Answer : (C) Suspended batch basket

Which of the following is the most suitable filter for separation ofabrasive solids suspended in a corrosive liquid?(A) Sand bed filter(B) Plate and frame filter press(C) Vacuum filter(D) Batch basket centrifuge

Description : Which of the following is the most suitable filter for separation ofabrasive solids suspended in a corrosive liquid? (A) Sand bed filter (B) Plate and frame filter press (C) Vacuum filter (D) Batch basket centrifuge

Last Answer : (C) Vacuum filter

Which of the following is a vacuum filter? (A) Filter press (B) Rotary disc filter (C) Batch basket centrifuge (D) Tank filter (Nutsche filter)

Description : Which of the following is a vacuum filter? (A) Filter press (B) Rotary disc filter (C) Batch basket centrifuge (D) Tank filter (Nutsche filter)

Last Answer : (B) Rotary disc filter

Which of the following is not a wet classifier? (A) Sharpies super-centrifuge (B) Hydrocyclones (C) Dorr Oliver rake classifier (D) None of these

Description : Which of the following is not a wet classifier? (A) Sharpies super-centrifuge (B) Hydrocyclones (C) Dorr Oliver rake classifier (D) None of these

Last Answer : (D) None of these

The most suitable equipment used to devulcanise rubber scrap and to make water dispersion & rubber solution is a (A) Boundary mixer (B) Propeller agitator (C) Sharpies centrifuge

Description : The most suitable equipment used to devulcanise rubber scrap and to make water dispersion & rubber solution is a (A) Boundary mixer (B) Propeller agitator (C) Sharpies centrifuge

Last Answer : (A) Boundary mixer

If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the (A) Linear speed of the basket is doubled (B) Linear speed of the basket is halved (C) Centrifugal force is doubled (D) Capacity of centrifuge is increased

Description : If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the (A) Linear speed of the basket is doubled (B) Linear speed of the basket is halved (C) Centrifugal force is doubled (D) Capacity of centrifuge is increased

Last Answer : (C) Centrifugal force is doubled

Removal of activated carbon from glycerine is done by (A) Plate and frame filter (B) Rotary vacuum filter (C) Batch basket centrifuge (D) None of these

Description : Removal of activated carbon from glycerine is done by (A) Plate and frame filter (B) Rotary vacuum filter (C) Batch basket centrifuge (D) None of these

Last Answer : (A) Plate and frame filter

Fat can be separated from milk in a cream separator because of

Description : Fat can be separated from milk in a cream separator because of

Last Answer : Centrifugal force

Fat can be separated from milk in a cream separator because of _______. (1) cohesive force (2) gravitational force (3) centripetal force (4) centrifugal force

Description : Fat can be separated from milk in a cream separator because of _______. (1) cohesive force (2) gravitational force (3) centripetal force (4) centrifugal force

Last Answer : (4) centrifugal force Explanation: The centrifugal separator was invented in 1897. By the turn of the century it had altered the dairy industry by making centralized dairy processing possible for the first time.

By which force can fat be separated from milk in a cream separator?

Description : By which force can fat be separated from milk in a cream separator?

Last Answer : Centrifugal force

Fat can be separated from milk in a cream separator because of: (1) Cohesive force (2) Gravitational force (3) Centripetal force (4) Centrifugal force

Description : Fat can be separated from milk in a cream separator because of: (1) Cohesive force (2) Gravitational force (3) Centripetal force (4) Centrifugal force

Last Answer : Centrifugal force

Which of the following is not an industrial screening equipment? (A) Sharpies centrifuge (B) Vibrating screen (C) Grizzly (D) Trommel

Description : Which of the following is not an industrial screening equipment? (A) Sharpies centrifuge (B) Vibrating screen (C) Grizzly (D) Trommel

Last Answer : (A) Sharpies centrifug

A batch reactor is (A) Suitable for gas-phase reactions on commercial scale (B) Suitable for liquid phase reactions involving small production rate (C) Least expensive to operate for a given rate (D) Most suitable for very large production rate

Description : A batch reactor is (A) Suitable for gas-phase reactions on commercial scale (B) Suitable for liquid phase reactions involving small production rate (C) Least expensive to operate for a given rate (D) Most suitable for very large production rate

Last Answer : (B) Suitable for liquid phase reactions involving small production rate

Dust laden air can be purified using a (A) Cyclone separator (B) Bag filter (C) Gravity settler (D) Tubular centrifuge

Description : Dust laden air can be purified using a (A) Cyclone separator (B) Bag filter (C) Gravity settler (D) Tubular centrifuge

Last Answer : (A) Cyclone separator

Traces of liquid tar fog present in coke oven gas is separated using (A) Electrostatic precipitator (B) Cyclone separator (C) Strainer (D) None of these

Description : Traces of liquid tar fog present in coke oven gas is separated using (A) Electrostatic precipitator (B) Cyclone separator (C) Strainer (D) None of these

Last Answer : (A) Electrostatic precipitato

For nearly isothermal operation involving large reaction time in a liquid-phase reaction, the most suitable reactor is a __________ reactor. (A) Stirred tank (B) Tubular flow (C) Batch (D) Fixed bed

Description : For nearly isothermal operation involving large reaction time in a liquid-phase reaction, the most suitable reactor is a __________ reactor. (A) Stirred tank (B) Tubular flow (C) Batch (D) Fixed bed

Last Answer : (A) Stirred tank

A batch reactor is suitable for (A) Achieving cent percent conversion of reactants into products (B) Large scale gaseous phase reactions (C) Liquid phase reactions(D) Obtaining uniform polymerisation products in highly exothermicreactions

Description : A batch reactor is suitable for (A) Achieving cent percent conversion of reactants into products (B) Large scale gaseous phase reactions (C) Liquid phase reactions (D) Obtaining uniform polymerisation products in highly exothermic reactions

Last Answer : (C) Liquid phase reactions

A second order liquid phase reaction, A → B, is carried out in a mixed flow reactor operated in semi batch mode (no exit stream). The reactant A at concentration CAF is fed to the reactor at a volumetric flow rate of F. The volume of the reacting mixture is V and the density of the liquid mixture is constant. The mass balance for A is (A) d(VCA )/dt = -F (CAF - CA ) - kCA 2V (B) d(VCA )/dt = F (CAF - CA ) - kCA 2V (C) d(VCA )/dt = -FCA - kCA 2V (D) d(VCA )/dt = FCAF - kCA 2V

Description : A second order liquid phase reaction, A → B, is carried out in a mixed flow reactor operated in semi batch mode (no exit stream). The reactant A at concentration CAF is fed to the reactor at a volumetric flow rate of F. The volume ... 2V (C) d(VCA )/dt = -FCA - kCA 2V (D) d(VCA )/dt = FCAF - kCA 2V

Last Answer : (D) d(VCA )/dt = FCAF - kCA 2V

Which of the following is the most suitable for very high pressure gas phase reaction? (A) Batch reactor (B) Tubular flow reactor (C) Stirred tank reactor (D) Fluidised bed reactor

Description : Which of the following is the most suitable for very high pressure gas phase reaction? (A) Batch reactor (B) Tubular flow reactor (C) Stirred tank reactor (D) Fluidised bed reactor

Last Answer : (B) Tubular flow reactor

Which of the following is a batch sedimentation equipment? (A) Dust catcher (B) Filter thickener (C) Dry cyclone separator (D) Rotary sprayer scrubber

Description : Which of the following is a batch sedimentation equipment? (A) Dust catcher (B) Filter thickener (C) Dry cyclone separator (D) Rotary sprayer scrubber

Last Answer : (B) Filter thickener

Separation of isotopes is generally done using a/an __________ centrifuge. (A) Ultra (B) Disk-bowl (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Separation of isotopes is generally done using a/an __________ centrifuge. (A) Ultra (B) Disk-bowl (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (A) Ultra

When milk is churned, the cream from it is separated due to (a) Gravitational force (b) Centrifugal force (c) Frictional force (d) Heat

Description : When milk is churned, the cream from it is separated due to (a) Gravitational force (b) Centrifugal force (c) Frictional force (d) Heat

Last Answer : Ans:(b)

Cream gets separated out of milk when it is churned. This is due to– (1) gravitational force (2) centripetal force (3) centrifugal force (4) frictional force

Description : Cream gets separated out of milk when it is churned. This is due to– (1) gravitational force (2) centripetal force (3) centrifugal force (4) frictional force

Last Answer : (3) centrifugal force Explanation: During the churning of buttermilk, many particles of curd undergo rotatory motion: Then the particles with less weight experience more centripetal force and hence those particles ... force and so they are forced to the walls of the container away from the centre.

When the milk is churned vigorously the cream from it is separated out clue to – (1) Centripetal force (2) Gravitational force (3) Frictional force (4) Centrifugal force

Description : When the milk is churned vigorously the cream from it is separated out clue to – (1) Centripetal force (2) Gravitational force (3) Frictional force (4) Centrifugal force

Last Answer : (4) Centrifugal force Explanation: The separation of cream from milk is based on the fact that when liquids of different specific gravity revolve around the same centre at the same distance with the ... the lighter one. Milk consists of two liquids of different specific gravity: fat and milk serum.

Cream gets separated out from milk when it is churned. This is due to–

Description : Cream gets separated out from milk when it is churned. This is due to–

Last Answer : Centrifugal Force

Cream gets separated from milk when it is churned because of?

Description : Cream gets separated from milk when it is churned because of?

Last Answer : Centrifugal force

Cream gets separated out of milk when it is churned. This is due to (1) gravitational force (2) centripetal force (3) centrifugal force (4) frictional force

Description : Cream gets separated out of milk when it is churned. This is due to (1) gravitational force (2) centripetal force (3) centrifugal force (4) frictional force

Last Answer : centrifugal force

When the milk is churned vigorously the cream from it is separated out due to (3) Centripetal force (2) Gravitational force (3) Frictional force (4) Centrifugal force

Description : When the milk is churned vigorously the cream from it is separated out due to (3) Centripetal force (2) Gravitational force (3) Frictional force (4) Centrifugal force

Last Answer : Centrifugal force

A filter press is (A) A batch filter (B) Not suitable, if the liquid is the main product (C) Having prohibitively high maintenance cost (D) Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure

Description : A filter press is (A) A batch filter (B) Not suitable, if the liquid is the main product (C) Having prohibitively high maintenance cost (D) Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure

Last Answer : (A) A batch filter

Ultracentrifuges running at speeds upto 100000 rpm is normally used for the (A) Separation of isotopes based on their density or molecular weights difference (B) Concentration of rubber latex (C) Separation of cream from milk (D) Dewaxing of lubricating oil

Description : Ultracentrifuges running at speeds upto 100000 rpm is normally used for the (A) Separation of isotopes based on their density or molecular weights difference (B) Concentration of rubber latex (C) Separation of cream from milk (D) Dewaxing of lubricating oil

Last Answer : (A) Separation of isotopes based on their density or molecular weights difference (B) Conc

Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? (A) Trough washer (B) Baum jig washer (C) Spiral separator (D) Froth floatation

Description : Which of the following is the most suitable for cleaning of fine coal dust (

Last Answer : (D) Froth floatation

. The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an (A) Bag filter (B) Electrostatic precipitator (C) Cyclone separator (D) Wet scrubber

Description : . The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an (A) Bag filter (B) Electrostatic precipitator (C) Cyclone separator (D) Wet scrubber

Last Answer : (B) Electrostatic precipitator

Most efficient and suitable dust removal equipment for removal of fly￾ash from flue gas in a thermal power plant is the (A) Gravity settling chamber (B) Cyclone separator (C) Electrostatic precipitator (D) Bag filter

Description : Most efficient and suitable dust removal equipment for removal of fly￾ash from flue gas in a thermal power plant is the (A) Gravity settling chamber (B) Cyclone separator (C) Electrostatic precipitator (D) Bag filter

Last Answer : (C) Electrostatic precipitator

How to centrifuge milk?

Description : Can milk be skimmed at home and how?

Last Answer : http://www.eshop-zemedelske-potreby.cz/odstredivky-na-mleko/c-1824/ Otherwise, there will definitely be old hand centrifuges in the village.

Pick out the wrong statement. (A) In a batch reactor, which is exclusively used for liquid phase reactions; temperature pressure and composition may vary with time (B) In a semi-batch reactor, one reactant is charged batch wise, while the other reactant is fed continuously (C) In a continuous flow reactor, uniform concentration cannot be maintained throughout the vessel even in a well agitated system (D) In a continuous flow reactor, both the reactants and the products flow out continuously

Description : Pick out the wrong statement. (A) In a batch reactor, which is exclusively used for liquid phase reactions; temperature pressure and composition may vary with time (B) In a semi-batch reactor, ... system (D) In a continuous flow reactor, both the reactants and the products flow out continuously

Last Answer : (C) In a continuous flow reactor, uniform concentration cannot be maintained throughout the vessel even in a well agitated system

The separation of liquid droplets from the vapor is done by a/an __________, in the evaporators. (A) Steam ejector (B) Entrainment separator (C) Compressor (D) Vacuum pump

Description : The separation of liquid droplets from the vapor is done by a/an __________, in the evaporators. (A) Steam ejector (B) Entrainment separator (C) Compressor (D) Vacuum pump

Last Answer : (B) Entrainment separator

How do you design a vapor-liquid separator or a flash drum?

Description : How do you design a vapor-liquid separator or a flash drum?

Last Answer : The size of a vapor-liquid separator should be dictated by the anticipated flow rate of vapor and liquid from the vessel. The following sizing methodology is based on the assumption that those flow ... much liquid flow you expect, the liquid outlet line should probably have a level control valve.

Which of the following scientific instruments has the greatest resolving power? w) electron microscope x) light microscope y) phase-contrast microscope z) centrifuge

Description : Which of the following scientific instruments has the greatest resolving power? w) electron microscope x) light microscope y) phase-contrast microscope z) centrifuge

Last Answer : ANSWER: W -- ELECTRON MICROSCOPE

Heat sensitive materials with very high latent heat of vaporisation may be economically separated using (A) Liquid extraction (B) Distillation (C) Evaporation (D) Absorption

Description : Heat sensitive materials with very high latent heat of vaporisation may be economically separated using (A) Liquid extraction (B) Distillation (C) Evaporation (D) Absorption

Last Answer : (A) Liquid extraction

In continuous fluidisation (A) Solids are completely entrained (B) The pressure drop is less than that for batch fluidisation (C) There is no entrainment of solids (D) Velocity of the fluid is very small

Description : In continuous fluidisation (A) Solids are completely entrained (B) The pressure drop is less than that for batch fluidisation (C) There is no entrainment of solids (D) Velocity of the fluid is very small

Last Answer : (A) Solids are completely entrained

Which of the following statement is false? a.The potential energy of a particle has the form Ep = k2x. The force acting on the particle is constant (k is a constant) b.The linear velocity of bodies near the earth's equator (due to rotation of earth) is more than the velocities of particles at the pole c.107 dynes d.A cyclist should move along a zig-zag path while ascending a steep hill e.The density of milk decreases when cream is taken out of milk

Description : Which of the following statement is false? a.The potential energy of a particle has the form Ep = k2x. The force acting on the particle is constant (k is a constant) b.The linear velocity of ... zag path while ascending a steep hill e.The density of milk decreases when cream is taken out of milk

Last Answer : e. The density of milk decreases when cream is taken out of milk

If cream is removed from milk, its density – (1) Increases (2) Decreases (3) Remains the same (4) May increase or decrease

Description : If cream is removed from milk, its density – (1) Increases (2) Decreases (3) Remains the same (4) May increase or decrease

Last Answer : (1) Increases Explanation: The density of pure fresh milk being on the average 1.032, while the density of fat globules is about 0.86. It follows that the removal of cream will increase the density, while the addition of water will decrease it.

If cream is removed from milk, its density (1) Increases (2) Decreases (3) Remains the same (4) May increase or decrease

Description : If cream is removed from milk, its density (1) Increases (2) Decreases (3) Remains the same (4) May increase or decrease

Last Answer : Increases

Which of the following is the most suitable for extraction in a system having very low density difference? (A) Mixer-settler extractor (B) Centrifugal extractor (C) Pulsed extractor (D) Packed extraction tower

Description : Which of the following is the most suitable for extraction in a system having very low density difference? (A) Mixer-settler extractor (B) Centrifugal extractor (C) Pulsed extractor (D) Packed extraction tower

Last Answer : (B) Centrifugal extractor

Which of the following is a super-cooled liquid? (1) Ice-cream (2) Ammonia (3) Glass (4) Wood

Description : Which of the following is a super-cooled liquid? (1) Ice-cream (2) Ammonia (3) Glass (4) Wood

Last Answer : (3) Glass Explanation: Glass is considered to be a supercooled liquid due to its lack of a first-order phase transition where certain thermodynamic variables such as volume, entropy ... where the intensive thermodynamic variables such as the thermal expansivity and heat capacity are discontinuous.

Which of the following is a super-cooled liquid? (1) Ice-cream (2) Ammonia (3) Glass (4) Wood

Description : Which of the following is a super-cooled liquid? (1) Ice-cream (2) Ammonia (3) Glass (4) Wood

Last Answer : Glass

Are Sharpies bad for your skin?

Description : Are Sharpies bad for your skin?

Last Answer : it’s not great… and from my experience as a kid, they take a few days to wash off. But it’s not toxic or anything.

Are sharpies polar or non polar?

Description : Are sharpies polar or non polar?

Last Answer : What is the answer ?