Chloramines are used in water treatment for (A) Disinfection and control of taste & odour (B) Corrosion control (C) Removing turbidity (D) Control of bacteria

Chloramines are used in water treatment for
(A) Disinfection and control of taste & odour
(B) Corrosion control
(C) Removing turbidity
(D) Control of bacteria
by

1 Answer

Answer :

(A) Disinfection and control of taste & odour
by

Related questions

In water treatment plant, use of chloramines ensures (1) taste and odour control (2) weed control in reservoirs (3) disinfection (4) removal of permanent hardness

Description : In water treatment plant, use of chloramines ensures (1) taste and odour control (2) weed control in reservoirs (3) disinfection (4) removal of permanent hardness

Last Answer : (3) disinfection Explanation: The particular type of chloramine used in drinking water disinfection is called monochloramine. Chloramine is chiefly a secondary disinfectant that are added to water that has already been disinfected with a primary disinfectant, often chlorine

In water treatment plant, use of chloramines ensures _____ (1) taste and odour control (2) weed control in reservoirs (3) disinfection (4) removal of permanent hardness

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Last Answer : disinfection

Removal of __________ results from the disinfection of water. (A) Turbidity(B) Odour(C) Hardness(D) Bacteria

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Last Answer : (D) Bacteria

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 (C) Application of activated carbon reduces the temporary hardness of water (D) Normally, the turbidity is removed by adding a coagulant prior to sedimentation

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

Presence of bacteria in potable (drinking) water causes (A) Turbidity (B) Disease (C) Bad odour (D) Bad taste & colour

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The main use of activated carbon in water treatment is to control (A) Bacterial growth (B) Taste and odour (C) Turbidity (D) None of these

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Last Answer : (B) Taste and odour

Which of the following reasons are responsible for adoption of post-chlorination of water? 1. Chlorine demand is reduced. 2. Possibility of taste and odour formation is reduced. 3. Possibility of carcinogenic compounds is reduced. 4. Chloramines are formed. (a) 1, 2, 3 & 4 (b) 1, 2 & 3 only (c) 1, & 4 only (d) 2, 3 & 4 only

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Last Answer : (c) 1, & 4 only

. Disinfection of water is done to remove (A) Color (B) Bad taste (C) Foul odour (D) Bacteria

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Last Answer : (D) Bacteria

Disinfection of drinking water, is done to remove (A) Odour (B) Bacterias (C) Turbidity (D) Colour

Description : Disinfection of drinking water, is done to remove (A) Odour (B) Bacterias (C) Turbidity (D) Colour

Last Answer : (B) Bacterias

Disinfection of drinking water is done to remove (A) Turbidity (B) Odour (C) Colour (D) Bacterias

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Last Answer : (D) Bacterias

Deaeration of water in its treatment is necessary, as it (A) Minimises its turbidity (B) Helps in controlling its taste and odour (C) Minimises its corrosiveness (D) None of these

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. Dechlorination of treated water is necessary to (A) Remove residual turbidity (B) Reduce the bacterial load on filter (C) Control taste and odour (D) Remove chlorinous taste

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Last Answer : (D) Remove chlorinous taste

Disinfection of water with ozone is not good because (A) It vanishes before water reaches the consumers (B) It removes the colour, taste and odour from water as bacterias (C) It adds taste to the water(D) It is more efficient than chlorine in killing bacterias

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Last Answer : (D) It is more efficient than chlorine in killing bacterias 

Hard water for public water supply is discarded because (A) It consumes more soap (B) It contains lot of turbidity (C) It contains pathogenic bacterias (D) It possesses bad taste and odour

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Last Answer : (A) It consumes more soap

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

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

Last Answer : (C) Turbidity

Lime and soda ash are added to water to remove (A) Bicarbonates & sulphates of calcium and magnesium (B) Undesirable taste and odour (C) Bacteria (D) Its corrosiveness

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Last Answer : (A) Bicarbonates & sulphates of calcium and magnesium

Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes (A) Foaming(B) Odour nuisances(C) Undesirable plant growth(D) Turbidity

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Last Answer : (C) Undesirable plant growth

Hydrazine is used in water treatment for the removal of (A) Colloidal impurities (B) Dissolved oxygen (C) Turbidity (D) Chlorinous taste

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Last Answer : (B) Dissolved oxygen

Aeration of water is done to remove (A) Odour (B) Colour (C) Bacterias (D) Turbidity

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Last Answer : (A) Odour 

Aeration Of water is done to remove a) Odour* b) Colour c) Bacterias d) Hardness e) Turbidity

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Last Answer : a) Odour*

The following is the physical characteristic of sewage A. Turbidity B. Colour C. Odour D. All the above

Description : The following is the physical characteristic of sewage A. Turbidity B. Colour C. Odour D. All the above

Last Answer : ANS: D

Alum [Al2 (SO4 )3 ] is used as a coagulant in water treatment to remove (A) Colour (B) Turbidity (C) Bacteria (D) All (A), (B) and (C)

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

Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of (A) Ozone and iodine (B) Chlorine or its compounds (C) Ultraviolet light for irradiation of water (D) All (A), (B) & (C)

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Irradiation of water by ultraviolet light of suitable wavelength iscommonly used for disinfection of water in (A) Food industry (B) Municipal sewage treatment (C) Petroleum refinery (D) Iron & steel plant

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Foul odour and bad taste of water is removed by treating with (A) Alum (B) Bleaching powder (C) Activated carbon (D) Copper sulphate

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Last Answer : (C) Activated carbon

Infective bacteria in water is killed by the __________ process. (A) Sterilisation (B) Aeration (C) Disinfection (D) None of these

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Last Answer : (A) Sterilisation

Turbidity of water is ____. a. taste c. cloudiness b. smell d. content

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Last Answer : c. cloudiness

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

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Drinking (potable) water treatment does not involve(A) Coagulation(B) Sedimentation(C) Softening(D) Disinfection

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Last Answer : (C) Softening

Zeolite used in water softening process (cation exchange) is regenerated by washing with (A) Brine (B) Chloramines (C) Sodium bisulphite (D) Liquid chlorines

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Last Answer : (A) Brine

The pollutants in water can be recognized by a) bad taste b)offensive odour c)growth of aquatic weed d)all the above

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Last Answer : d)all the above

Tri-sodium phosphate is used in boiler water treatment to reduce (A) Turbidity (B) Caustic embrittlement (C) Suspended silica (D) Dissolved oxygen

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The most prominent single cause of corrosion in boiler-tubes, drums, economisers and steam superheaters in a thermal power plant boiler is the (A) Water alkalinity & leakage (B) Hydrazine addition during feed water treatment (C) Release of non-condensable gas from water in the boiler (D) Scale formation

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Last Answer : (C) Release of non-condensable gas from water in the boiler

Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water. (A) Turbidity (B) Color (Hazen) (C) Total solids (D) All (A), (B) & (C)

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

Dose of chlorine for disinfection of water is about __________ mg/litre of water. (A) 0.01 (B) 0.1 (C) 0.3 (D) 1

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__________ is the process of killing organism in water. (A) Coagulation (B) Sterilisation (C) Disinfection (D) Sedimentation

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The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant? (A) Chlorine (B) Alkalis (C) Benzene hexachloride (D) Alkyl benzene sulphonate (ABS)

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Very fine suspended and colloidal impurities are removed from water by a process called (A) Sedimentation (B) Coagulation (C) Disinfection (D) Softening

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common disinfectant used in village wells for disinfection of water is (A) Free chlorine (B) Bromine (C) Iodine (D) Potassium permanganat

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Last Answer : Option D

A common disinfectant used in village wells for disinfection of water is (A) Free chlorine (B) Bromine (C) Iodine (D) Potassium permanganate

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Wrought iron is having very high (A) Hardness (B) Strength (C) Corrosion resistance (D) Susceptibility to changes in its properties by heat treatment

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Maximum permissible turbidity in potable water is __________ ppm. (A) 1 (B) 10 (C) 250 (D) 1000

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Which of the following is the most detrimental for water used in high pressure boiler? (A) Silica (B) Turbidity (C) Phenol(D) Dissolved oxygen

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Last Answer : (A) Silica

Turbidity of water is an indication of the presence of (A) Suspended inorganic matter (B) Dissolved solids (C) Floating solids (D) Dissolved gases

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The resistance of water to the passage of light through it is a measure of the (A) Turbidity (B) Color (C) Hardness (D) Dissolved gases

Description : The resistance of water to the passage of light through it is a measure of the (A) Turbidity (B) Color (C) Hardness (D) Dissolved gases

Last Answer : (A) Turbidity

The best guide to judge the general quality of water is the measurement of its (A) pH value (B) Electrical conductivity (C) Turbidity (D) Dissolved oxygen content

Description : The best guide to judge the general quality of water is the measurement of its (A) pH value (B) Electrical conductivity (C) Turbidity (D) Dissolved oxygen content

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The most detrimental impurity in high pressure boiler feed water is (A) Suspended salt (B) Dissolved salt (C) Silica (D) Turbidity

Description : The most detrimental impurity in high pressure boiler feed water is (A) Suspended salt (B) Dissolved salt (C) Silica (D) Turbidity

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Which of the following is not used for disinfection of drinking water?

Description : Which of the following is not used for disinfection of drinking water?

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The amount of Chlorine available in water after disinfection is called as – (1) free chlorine (2) residual chlorine (3) free available chlorine (4) combined available chlorine

Description : The amount of Chlorine available in water after disinfection is called as – (1) free chlorine (2) residual chlorine (3) free available chlorine (4) combined available chlorine

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The best process of disinfection of public water supply, is by (A) Boiling (B) Chlorination (C) Adding lime (D) Adding ozone

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