What are the best water filtration systems for drinking water?

1 Answer

Answer :

Our water is pretty bad. What are some good drinking water systems that I should look into?

Related questions

Description : How do water filtration systems improve my water quality?

Last Answer : It filters out the abrasives and the deposits in the water. This should help to improve your water quality a great deal.

Description : MY SON GOES TO A GYMNASTICS FACILTIY THAT IS VERY CHALKY, HE IS HAVING COUGHING PROBLEMS, I WOULD LIKE TO SEE WHAT KIND OF FILTRATION SYSTEMS ARE AVAILABLE FOR SUCH A LARGE SCALE AREA AND THIS PATICULAR ALLERGAN.?

Last Answer : You should ask the facility about their ventilation system, and also ask a doctor about any possible allergens from that environment.

Description : Benefits of drinking water systems?

Last Answer : I keep receiving ads for drinking water systems. Are they really worth the money? What are the benefits of getting one?

Description : Which is better for a home, water filtration system or a water softener?

Last Answer : I'm not sure what type of water filtration system you are considering, but generally the two systems serve different purposes and are not mutually exclusive. Water softeners reduce the ... reducing organic compounds, sediment and chlorine but not minerals, salts and dissolved inorganic compounds.

Description : How Sawdust can be used in filtration for waste water treatment?

Last Answer : Filtering the waste water through sawdust will remove largepieces of solid matter (such as grit, paper etc).

Description : Why is distillation used to separate sea water instead of filtration?

Last Answer : Dissolved salts are not separated by filtration.

Description : Water Filtration System Options?

Last Answer : There are many different ways to utilize a water filtrationsystem. From inexpensive pitchers to complicated systems that areinstalled under the sink, there are options for every price range.The level ... you canturn the filter off so that the filter cartridge will last longer.Filter cartridges usua

Description : What impurities are removed by a water filtration system?

Last Answer : Water filtration system can remove contaminants from the water. They also work to remove unwanted minerals from the water and improve clarity.

Description : What is the best water filtration system for home use?

Last Answer : Whirlpool makes one of the top water filtration systems for home use. It offers reverse osmosis filtration and runs $146.

Description : What do I need to know to choose a water filtration system?

Last Answer : While choosing a water filter, keep in mind what is in the tap water that you are cleaning. There are water filters that are made to clean out certain things more than others.

Description : Common salt is obtained from sea water by the process of (a) sublimation (b) evaporation (c) crystallisation (d) filtration

Last Answer : Ans:(b)

Description : Iron and manganese present as pollutants in water cannot be re-moved by - (1) oxidation followed by settling and filtration (2) chlorination (3) ion exchange process (4) lime soda process or manganese zeolite process

Last Answer : (2) chlorination Explanation: Water chlorination is the process of adding chlorine or hypochlorite to water. This method is used to kill certain bacteria and other microbes in tap water as chlorine is ... is used to prevent the spread of waterborne diseases such as cholera, dysentery, typhoid etc.

Description : A mixture of water and alcohol can be separated by – (1) Filtration (2) Evaporation (3) Decantation (4) Distillation

Last Answer : (4) Distillation Explanation: A mixture of water and alcohol is separated by the process of distillation. At 780C, alcohol starts to vaporize. The vapours are condensed in the condenser and alcohol is collected in the receiver.

Description : The process of removing calcium and magnesium from hard water is known as – (1) Sedimentation (2) Filtration (3) Flocculation (4) Water softening

Last Answer : (4) Water softening Explanation: Water softening is the reduction of the concentration of calcium, magnesium, and certain other metal cations in hard water. Hardness ions dissolved in water can cause a ... use depend on an ion-exchange resin in which hardness ions are exchanged for sodium ions.

Description : Sea water can be purified by the process of – (1) distillation (2) evaporation (3) filtration (4) fractional distillation

Last Answer : (1) distillation Explanation: The traditional process used in desalination operations is vacuum distillation- essentially the boiling of water at less than atmospheric pressure and thus a much ... when the vapor pressure equals the ambient pressure and vapor pressure increases with temperature.

Description : A mixture of water and alcohol can be separated by - (1) Filtration (2) Evaporation (3) Distillation (4) Decantation

Last Answer : (3) Distillation Explanation: Simple distillation is a procedure by which two liquids with different boiling points can be separated.

Description : Which of the following methods will separate water from muddy water? (1) Separating funnel (2) Distillation (3) Crystallization (4) Filtration

Last Answer : (4) Filtration Explanation: There are two ways to get water from a muddy mess: evaporation and filtration. Filtration is a process where the water is pumped through a porous material.

Description : Filtration of water in a paper mill is done by a/an __________ filter. (A) Open sand (B) Plate and frame (C) Vacuum leaf (D) Sparkler

Last Answer : (A) Open sand

Description : The primary force moving water molecules from the blood plasma to the interstitial fluid is a. active transport b. cotransport with H+ c. facilitated diffusion d. cotransport with Na+ e. filtration

Last Answer : filtration

Description : Iron & manganese present in the polluted water is removed by (A) Simple filtration (B) Oxidation followed by settling & filtration (C) Chemical coagulation (D) Chlorination only

Last Answer : (B) Oxidation followed by settling & filtration

Description : Radioactive substances present in the polluted water stream can be removed by (A) Biological oxygen treatment (B) Coagulation and filtration (C) Adsorption in ion exchange materials (D) None of these

Last Answer : (C) Adsorption in ion exchange materials

Description : Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by (A) Biological oxygen pond (B) Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) (C) Lagoons (D) Filtration

Last Answer : (B) Radial settling tank (thickener) using coagulant (lime & ferrous sulphate)

Description : In water treatment, alum [Al2 (SO4 )3 ] is used for the process of (A) Filtration (B) Coagulation (C) Sedimentation (D) Disinfection

Last Answer : (B) Coagulation

Description : Iron & manganese present as pollutant in water cannot be removed by (A) Ion exchange process (B) Oxidation followed by settling & filtration (C) Lime soda process or manganese zeolite process (D) Chlorination

Last Answer : (D) Chlorination

Description : Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m2 /hr. (A) 0.1 to 1 (B) 3 to 6 (C) 10 to 15 (D) 15 to 20

Last Answer : (B) 3 to 6

Description : Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by (A) Quenching of hot coke (B) Discharging in the river stream (C) Filtration and recycling for cooling coke oven gas (D) None of these

Last Answer : (A) Quenching of hot coke

Description : Water filtration rate in a slow sand filter ranges from __________ litres/m2 /hr. (A) 10 to 20 (B) 100 to 200 (C) 1500 to 2500 (D) 4000 to 5000

Last Answer : (B) 100 to 200

Description : Soluble silica present in boiler feed water can be removed by (A) Coagulation (B) Filtration (C) Anion exchanger (D) Preheating it

Last Answer : (C) Anion exchanger

Description : Use of hydrated lime in water treatment (A) Before filtration, reduces the bacterial load on filters (B) After filtration, combats the corrosiveness of water due to the presence of O2 & CO2 (C) Is to adjust the pH value (D) All (A), (B) and (C)

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

Description : Temporary hardness of water can be removed by (A) Addition of alum (a coagulant) (B) Boiling (C) Filtration (through gravity sand filter) (D) Addition of lime

Last Answer : (B) Boiling

Description : Pick out the true statement pertaining to water treatment. (A) Slow sand filters can remove colour completely (B) Activated carbon can be used for taste & odour control without subsequent filtration ... of water (D) Normally, the turbidity is removed by adding a coagulant prior to sedimentation

Last Answer : (D) Normally, the turbidity is removed by adding a coagulant prior to sedimentation

Description : Which of the following processes can remove both temporary as well as permanent hardness of water? (A) Filtration (B) Boiling (C) Distillation (D) None of these

Last Answer : (C) Distillation

Description : Filtration of water is done to remove (A) Colour (B) Odour (C) Turbidity (D) Pathogenic bacteria

Last Answer : (C) Turbidity

Description : The main process to purify water by filtration, is (A) Mechanical straining (B) Flocculation and sedimentation (C) Biological metabolism (D) All the above

Last Answer : (D) All the above

Description : The temporary hardness of water can be removed by (A) Boiling (B) Adding lime (C) Adding alum (D) Filtration

Last Answer : (A) Boiling

Description : During treatment of water, sedimentation is done  (A) Before filtration  (B) After filtration  (C) Simultaneously with filtration  (D) Along with chlorination 

Last Answer : (A) Before filtration 

Description : To remove very fine suspended particles from water, the method adopted is  (A) Screening  (B) Sedimentation  (C) Boiling  (D) Filtration

Last Answer : To remove very fine suspended particles from water, the method adopted is  (A) Screening  (B) Sedimentation  (C) Boiling  (D) Filtration

Description : The process of passing water through beds of granular materials, is called  (A) Screening  (B) Sedimentation  (C) Filtration  (D) None of these 

Last Answer : (C) Filtration 

Description : If Organic sources of carcinogenic compounds in water persist even after chlorination, then what is the correct sequence among treatment processes listed below if all these are considered compulsory ? 1. Coagulation 2. Sedimentation 3. Filtration in ... c) 4- 2- 3- 1- 5 and 6 d) 1-5-2-3-4 and 6

Last Answer : d) 1-5-2-3-4 and 6

Description : Iron and manganese present as pollutants in water cannot be removed by_____ (1) oxidation followed by settling and filtration (2) chlorination (3) ion exchange process (4) lime soda process or manganese zeolite process

Last Answer : chlorination

Description : A mixture of water and alcohol can be separated by (1) Filtration (2) Evaporation (3) Decantation (4) Distillation

Last Answer : Distillation

Description : The process of removing calcium and magnesium from hard water is known as (1) Sedimentation (2) Filtration (3) Flocculation (4) Water softening

Last Answer :  Water softening

Description : Sea water can be purified by the process of (1) distillation (2) evaporation (3) filtration (4) fractional distillation

Last Answer : distillation