Separation of solid particles based on their densities is called
(A) Sizing
(B) Sorting
(C) Clarification
(D) Dispersion

1 Answer

Answer :

(B) Sorting

Related questions

Description : Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called (A) Classification (B) Froth floatation (C) Thickening (D) Clarification

Last Answer : (A) Classification

Description : Solid particles separation based on the difference in their flow velocities through fluids is termed as the (A) Clarification (B) Classification (C) Elutriation (D) Sedimentation

Last Answer : (B) Classification

Description : Separation of materials of the same density based on their sizes by using then-different rates of flow is called (A) Sorting (B) Sizing (C) Flocculation (D) Elutriation

Last Answer : (B) Sizing

Description : Separation of materials into products based on the difference of theirsizes is called (A) Sizing (B) Sorting (C) Classification (D) Flocculation

Last Answer : (A) Sizing

Description : Solid particles of different densities are separated by (A) Filters (B) Thickness (C) Cyclones (D) Sorting classifier

Last Answer : (D) Sorting classifier

Description : Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called (A) Classification (B) Sedimentation (C) Clarification (D) Decantation

Last Answer : (B) Sedimentation

Description : Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a __________ operation. (A) Clarification (B) Sedimentation (C) Flocculation (D) Classification

Last Answer : (D) Classification

Description : Sorting classifiers employing differential settling methods forseparation of particles make use of the differences in their (A) Particle sizes (B) Densities (C) Terminal velocities (D) None of these

Last Answer : (C) Terminal velocities

Description : Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the (A) Coagulation (B) Flocculation (C) Sedimentation (D) Clarification

Last Answer : (C) Sedimentation

Description : Electrostatic separation of minerals from each other is based on their differences in the following property. (A) Densities (B) Magnetic permeabilities (C) Electrical conductivities (D) Hardness

Last Answer : (C) Electrical conductivities

Description : If a force greater than that of gravity is used to separate solids & fluidsof different densities, the process is termed as the (A) Sedimentation (B) Flocculation (C) Dispersion (D) Centrifugation

Last Answer : (D) Centrifugation

Description : ___ can be achieved on the basis of density or size and shape. a. Separation c. Clarification b. Quality d. Flavor

Last Answer : a. Separation

Description : Ultra centrifuges are used for the separation of __________ solid particles. (A) Coarse (B) Fine (C) Colloidal (D) Dissolved

Last Answer : (C) Colloidal

Description : Lagoons used for purification of polluted water (A) Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds (B) Use micro-organisms/bacteria in presence of dissolved oxygen (C) Gives an ... 1 mg/litre and BOD = 3.8 mg/litre (D) All (A), (B) & (C)

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

Description : The terminal velocity of a solid spherical particle falling through a stationary fluid mass in the Stoke's law range is proportional to the (A) Inverse of fluid viscosity (B) Square of particle size (C) Difference in the densities of the particle & fluid (D) All (A), (B) and (C)

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

Description : What does gases low densities show about the distance between gas particles?

Last Answer : A low-density gas would have molecules that are farther apartand fewer in numbers per unit volume.

Description : (2) Fat is dispersed in water Explanation: A colloid is a substance microscopically dispersed evenly throughout another substance. A colloidal system consists of two separate phases: a dispersed ... Milk is an emulsified colloid of liquid butterfat globules dispersed within a water-based solution.

Last Answer : The presence of ozone in the stratosphere is responsible for – (1) increasing the average global temperature in recent years (2) higher rate of photosynthesis (3) checking the penetration of ultra-violet rays to the earth (4) supplying oxygen for people travelling in jets

Description : (2) Fat is dispersed in water Explanation: A colloid is a substance microscopically dispersed evenly throughout another substance. A colloidal system consists of two separate phases: a dispersed ... Milk is an emulsified colloid of liquid butterfat globules dispersed within a water-based solution.

Last Answer : The presence of ozone in the stratosphere is responsible for – (1) increasing the average global temperature in recent years (2) higher rate of photosynthesis (3) checking the penetration of ultra-violet rays to the earth (4) supplying oxygen for people travelling in jets

Description : How do water relative densities as a solid and a liquid differ from most other substances?

Last Answer : The solid phase of water (ice) is less dense than its liquid phase, therefore ice floats on liquid water. For other substances, the solid phase is most dense and it sinks in its liquid.

Description : Which of the following is true about management meetings? Select one: a. They are short meetings to develop a common understanding of what the short-term  priorities are for the project. ... , tracking progress of existing plans, and  making adjustments to plans in response to new information.

Last Answer : e. They are oriented toward developing plans, tracking progress of existing plans, and  making adjustments to plans in response to new information.

Description : Weber number is significant and is concerned with the (A) Solid-liquid mixing (B) Liquid-liquid mixing (C) Dispersion of liquid in liquid (D) Suspension of solid in liquid

Last Answer : (C) Dispersion of liquid in liquid

Description : __________ are used for the separation of coarse particles from a slurry of fine particles. (A) Thickeners (B) Classifiers (C) Hydrocyclones (D) Decanters

Last Answer : (B) Classifiers

Description : If an electric field is applied to a colloidal sol, the dispersed phase particles are found to move towards the electrode of opposite charge. If however, the dispersed phase is made stationary, the ... move in the opposite direction. What is the term used for such movement of dispersion medium ?

Last Answer : Ans. Electro osmosis. 

Description : For sizing of fine materials, the most suitable equipment is a (A) Trommel (B) Grizzly (C) Shaking screen (D) Vibrating screen

Last Answer : (D) Vibrating screen

Description : Sizing material is incorporated in paper to (A) Impart resistance to penetration by liquids (B) Increase its thickness (C) Increase its flexibility & opacity (D) Increase its brightness

Last Answer : (A) Impart resistance to penetration by liquids

Description : What are some guidelines for sizing a PSV for a fire scenario on a vessel in a refinery service?

Last Answer : Sizing a PSV on your vessel is a matter of calculating how much heat is inputted from the fire. API-520 uses Q = FA0.82 where Q is BTU/hr, F is the insulation factor (commonly taken as 1.0 but ... have a BLEVE. Not something, you want to be around. As an added point to the information above, if

Description : What is the separation of colloidal particles from those of molecular dimensions called?

Last Answer : Dialysis

Description : Pick out the correct statement. (A) Higher hold up of the solid in the rotary dryer results in better exposure of the solids to the gas (B) The 'Hatta number' is ... reflux in case of distillation operation requires infinite number of plates for a binary system separation

Last Answer : (C) For a non-reacting binary mixture of ideal gases, the partial pressure distribution of both components is linear in the case of steady state equimolal counter-diffusion

Description : Steady state equimolal counter diffusion is encountered in (A) Separation of a binary mixture by distillation (B) Absorption of NH3 from air by water (C) All liquid-liquid diffusion systems (D) All liquid-solid diffusion systems

Last Answer : (A) Separation of a binary mixture by distillation

Description : The colloidal system consisting of a liquid dispersed in a solid dispersion medium is termed as :

Last Answer : The colloidal system consisting of a liquid dispersed in a solid dispersion medium is termed as : A. aerosol B. foam C. emulsion D. gel

Description : (4) Water drops in a dispersion medium of air Explanation: A colloid is a substance microscopically dispersed evenly throughout another substance. A colloidal system consists of two separate phases: a dispersed ... or gas. Cloud is a colloidal dispersion of Water drops in a dispersion medium of air.

Last Answer : Conduction band electrons have more mobility than holes because they – (1) are lighter (2) experience collision less frequently (3) have negative charge (4) need less energy to move them

Description : The same volume of all gases is representative of their (A) Specific gravities (B) Densities (C) Gas characteristic constants

Last Answer : Option D

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

Description : Dorr thickener is an equipment used for (A) Classification (B) Sedimentation (C) Clarification (D) Leaching

Last Answer : (B) Sedimentation

Description : Calculate the separation of the particles and the binding energy of a positronium (an atom consisting of an electron and a position revolving around t

Last Answer : Calculate the separation of the particles and the binding energy of a positronium (an atom ... position revolving around their centre of mass).

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

Description : . In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher (A) Densities (B) Melting point (C) Tensile strength (D) Hardness, rigidity & brittleness

Last Answer : (D) Hardness, rigidity & brittleness

Description : Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about (A) 1 to 2° (B) 2 to 5° (C) 5 to 10° (D) 10 to 15°

Last Answer : (B) 2 to 5°

Description : The range of a particular Rotameter can be increased by (A) Use of floats of different densities (B) No means (C) Increasing the diameter of the float (D) Decreasing the diameter of the float

Last Answer : (A) Use of floats of different densities

Description : Who has some experience with the fluther t-shirt sizing?

Last Answer : Bonus: I would love to give my woman’s navy long-sleeved shirt (XL) to the first person here who asks nicely. Zazzle told me to find it a nice home. PM me with contact info. Check measurements at the Zazzle site.

Description : Are American Apparel hoodies same sizing as AA shirts?

Last Answer : answer:I shop there regularly, in-store and online, and sometimes their sizing is a little wacky or inconsistent depending on the particular design. But pretty much all my stuff (lots of tee shirts and ... set of items is any different than their other stuff when it comes to sizing. Probably not.

Description : Is there a code for CSS/Javascript to keep your contents in place when re-sizing a window?

Last Answer : Is your site fixed width?

Description : Why is women's clothing sizing so arbitrary?

Last Answer : It's not at all arbitrary. It is carefully designed to be confusing because marketers don't want larger women to be turned off by plus sized clothing, and they don't want young, skinny teenagers to be put off ... a size 4. Real women are generally around a 14 to 16, but they don't want to know it.

Description : What is up with the variation in sizing these days?

Last Answer : I do see this happening too!! And sometimes mirrors can make you look different! You know what? I bet sizes were wayyy different back then too. Like, medium was a large back then… Or just like food portions- there way bigger now then back then. Its just whats happening to our society.

Description : What are great new home gifts for an older couple who are down sizing?

Last Answer : Gift certificates can be very thoughtful, as they allow the couple to get what fits their new home. Wine or flowers or a nice dessert are a nice gesture too. Offer baked goods or ... stuff, but something that eliminates the need to cook will be appreciated. Also consider restaurant gift cards.

Description : How would I go about sizing my pictures to fit in the Family Tree Picture Frame?

Last Answer : You need to get the dimensions on the Picture frame and print the picture to fit that.

Description : What are the differences in sizing for American and European women's jeans?

Last Answer : In American culture, we use a sizing chart that coordinates with assigned sizes. The European scale of measurement for clothing sizes directly relates the measurements in centimeters to the desired sizes.

Description : What is the sizing like for the Lee jeans?

Last Answer : SIZE 30, 32, 33, 34, 36, 38 ARE AVAILABLE

Description : Old Navy clothes seem to run big, where can I find a sizing chart?

Last Answer : Yes, Old Navy clothes do run big, almost without exception, so at least that's something you can count on. You can find a sizing chart on Old Navy's website. Old Navy actually makes their size ... says "size chart." This is great since your size may be different in skirts as opposed to pants.

Description : Understanding Home Generator Sizing?

Last Answer : A home generator can be a useful tool in emergencies. When buying a generator, it's important to find a unit that will power all the necessary appliances and utilities in a home. ... kilowatt generator. A whole-home generator will usually be 10 kilowatts and will require professional installation.