When domestic sewage mixes with river water

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Answer :

When domestic sewage mixes with river water A. Small animals like rats will die after drinking ... for drinking as impurities are only about 0.1%

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Description : When domestic sewage mixes with river water

Last Answer : When domestic sewage mixes with river water A. The increased microbial activity releases micronutrients ... rats will die after drinking river water

Description : When domestic sewage mixes with river water (a) small animals like rats will die after drinking  river water (b) the increased microbial activity releases  micronutrients such as iron (c) the increased ... (d) the river water is still suitable for drinking as  impurities are only about 0.1%.

Last Answer : (c) the increased microbial activity uses up  dissolved oxygen

Description : A river with an inflow of domestic sewage rich in  organic waste may result in  (a) an increased production of fish due to  biodegradable nutrients (b) death of fish due to lack of oxygen ( ... of the river very soon due to algal bloom (d) increased population of aquatic food web  organisms.

Last Answer : (d) increased population of aquatic food web  organisms.

Description : A river with an inflow of domestic sewage rich in organic waste may result in (a) an increased production of fish due to biodegradable nutrients (b) death of fish due to lack of oxygen (c) drying of the river very soon due to algal bloom (d) increased population of aquatic food web organisms.

Last Answer : (b) death of fish due to lack of oxygen

Description : What is domestic sewage and haze does it threaten water supplies?

Last Answer : What is the answer ?

Description : The liquid waste from kitchens and baths, of residences is known as: (1) Domestic sewage (2) Storm water (3) Sullage (4) Refuse

Last Answer : (3) Sullage Explanation: The liquid waste from kitchens and baths, of residence is known as sullage.

Description : Heavy metal pollution of water is caused by: (1) Paints (2) Wood burning (3) Acid Plants (4) Domestic sewage

Last Answer : (1) Paints Explanation: Heavy metals (cadmium, cobalt, chromium, copper, mercury, manganese, nickel, lead, zinc, molybdenum, tin) are among the main pollutants. Industrial paints are loaded with ... these has severe toxic effects on living beings, and tend to accumulate in aquatic food chains.

Description : Dry water flow in a combined sewer, is A. Industrial sewage B. Domestic sewage C. Storm water D. Inclusive of domestic and industrial sewage but excludes storm water

Last Answer : ANS: C

Description : The water carried sewerage system removes A. Domestic sewage B. Industrial sewage C. Storm sewage D. All the above

Last Answer : ANS: D

Description : Biochemical Oxygen Demand (BOD) may not be a  good index for pollution for water bodies receiving  effluents from (a) domestic sewage (b) dairy industry (c) petroleum industry (d) sugar industry.

Last Answer : c) petroleum industry

Description : Biochemical Oxygen Demand (BOD) may not be a good index for pollution for water bodies receiving effluents from (a) domestic sewage (b) dairy industry (c) petroleum industry (d) sugar industry.

Last Answer : (c) petroleum industry

Description : The liquid waste from kitchens and baths, of residences is known as : (1) Domestic sewage (2) Storm water (3) Sullage (4) Refuse

Last Answer : Sullage

Description : Heavy metal pollution of water is caused by: (1) Paints (2) Wood burning (3) Acid Plants (4) Domestic sewage

Last Answer : Paints

Description : A lake with an inflow of domestic sewage rich in organic waste may result in

Last Answer : A lake with an inflow of domestic sewage rich in organic waste may result in A. ... increased production of fish due to biodegradable nutreints.

Description : In domestic sewage, suspended solids, colloidal and dissolved materials constitute

Last Answer : In domestic sewage, suspended solids, colloidal and dissolved materials constitute A. 0.1 B. 0.056 C. 0.027 D. 0.001

Description : A lake with an inflow of domestic sewage rich in organic waste may result in

Last Answer : A lake with an inflow of domestic sewage rich in organic waste may result in A. Drying up ... to oxygen depletion D. Increased food web organisation.

Description : A lake with an inflow of domestic sewage rich in organic waste may result in

Last Answer : A lake with an inflow of domestic sewage rich in organic waste may result in A. Drying of the river very ... . D. Death of fish due to lack of oxygen.

Description : A lake with an inflow of domestic sewage rich in organic waste may result in

Last Answer : A lake with an inflow of domestic sewage rich in organic waste may result in A. Drying ... D. Increased population of aquatic food web organisms

Description : The domestic sewage in large cities (a) has a high BOD as it contains both aerobic and anaerobic bacteria (b) is processed by aerobic and then anaerobic bacteria in the secondary treatment in ... sewage contains adequate oxygen (d) has very high amount of suspended solids and dissolved salts.

Last Answer : (b) is processed by aerobic and then anaerobic bacteria in the secondary treatment in Sewage Treatment Plants (STPs)

Description : Solid content in most of the domestic sewage is about __________ percent. (A) 0.001 (B) 0.1 (C) 5 (D) 10

Last Answer : (B) 0.1

Description : Fresh domestic sewage is __________ in color. (A) Grey (B) Dark brown (C) Red (D) Black

Last Answer : (A) Grey

Description : When domestic sewage / fertilisers is released into rivers , the growth of algae and bacteria is a) promoted b)not affected c)inhibited d)None of the above

Last Answer : a) promoted

Description : The factor responsible for purification of sewage in river is A. Hydrology B. Dissolved oxygen in water C. Temperature D. All the above

Last Answer : ANS: D

Description : Pick up the correct statement from the following: A. Hydrogen sulphide gas in excess, may cause corrosion of concrete sewers B. 4 ppm of Dissolved Oxygen (D.O.) is ensured before discharging the treated ... river C. Solubility of oxygen in sewage is 95% of that of distilled water D. All the above

Last Answer : ANS: D

Description : Biochemical oxygen demand (BOD) in a river water (a) has no relationship with concentration of  oxygen in the water (b) gives a measure of Salmonella in the water (c) increases when sewage gets mixed with river  water (d) remains unchanged when algal bloom occurs.

Last Answer : (c) increases when sewage gets mixed with river  water

Description : In the process of perspiration, which part of the leaf mixes with air or water ?

Last Answer : In the process of perspiration, the air in the leaves mixes with the water in the cell part.

Description : Urea is widely used as a fertilizer because it (a) is an organic compound (b) contains very high amounts of nitrogen (c) is soluble in water (d) mixes easily with soil

Last Answer : Ans:(b)

Description : A milkman mixes 20 litres of water with 80 litres of milk. After selling one-fourth of this mixture, he adds water to replenish the quantity he has sold, what is the current proportion of water to milk? a) 1 : 3 b) 2 : 3 c) 3 : 4 d) 4 : 3 e) None of these

Last Answer : Milk remaining after selling 1/4 of mixture = 80 ×(1- 1/4)=60 litres =>water =100-60 = 40 litres => Required ratio = 40 : 60 =2 : 3 Answer: b)

Description : A seller mixes 30% water to milk and then he sells the whole mixture at the price of milk. If the cost price of water be 50% of the cost price of milk, what is the net profit percentage?

Last Answer :  Let CP of 1litre of milk = Rs.200 & CP of 1litre of water = Rs. 100 CP of solution=140+30=170 Sp of 1litre solution= 200 Profit%= (200-170)*100/170 = 17.64%

Description : What do cities with billions of liters of raw sewage do with it instead of dumping it in the river?

Last Answer : Fertilizer on crops. We can export it to Asian farmers and turn a negative into a positive. Edit if every city did dumping then the water would become undrinkable and be contaminated.

Description : A large quantity of urban sewage is drained to a nearby river. Which among the given conditions would happen after mixing of sewage into the river (i)

Last Answer : A large quantity of urban sewage is drained to a nearby river. Which among the given conditions would happen ... . ii and iii only D. iii and iv only

Description : Assertion : BOD of river polluted by sewage is more than 20 ppm. Reason: Polluted river contains excess of organic matter.

Last Answer : Assertion : BOD of river polluted by sewage is more than 20 ppm. Reason: Polluted river contains excess ... true but reason is wrong D. Both are wrong

Description : A large quantity of urban sewage is drained to a nearby river. Which among the given conditions would happen after mixing of sewage into the river (i)

Last Answer : A large quantity of urban sewage is drained to a nearby river. Which among the given conditions would happen after ... iv C. ii and iii D. iii and iv

Description : When huge amount of sewage is dumped into a river the BOD will:

Last Answer : When huge amount of sewage is dumped into a river the BOD will: A. Increases B. Decreases C. Slightly decreases D. remains unchanged.

Description : How can you make cake and muffins from boxed cake mixes more moist?

Last Answer : add a bit more milk?

Description : Battle of the chocolate mixes. Quality Street or Roses, which is your favourite?

Last Answer : Well, I’ll have to pick Quality Street because I heard of it first, a couple of hours ago. This is based on no personal tasting experience whatsoever.

Description : There's no way to share Genius Mixes over a network, right?

Last Answer : Not that I can find. My room mate and I have searched high and low for a way to do this. No go as of today at 2pm.

Description : Do they really make a profit?

Last Answer : No. After a while, it turns out to be a minus anyway. If it were that simple, everyone would do it.

Description : Read the following statements (A-D) (A) The stomach stores the food for 4-5 hours. (B) The food mixes throughly with the acidic intestinal juice (C )

Last Answer : Read the following statements (A-D) (A) The stomach stores the food for 4-5 hours. (B) The food mixes ... wrong ? A. Four B. One C. Two D. Three

Description : What happens when cream of tartar mixes with vinegar?

Last Answer : Need answer

Description : How many cake mixes for a quarter sheet rectangle pan?

Last Answer : Need answer

Description : What part of the body mixes food with enzymes that break down protein?

Last Answer : Feel Free to Answer

Description : How can I use my turntable with my laptop and alter mixes and songs?

Last Answer : Rane produces a software/hardware package called "Serato Scratch Live" which will allow you to link your turntables directly to a laptop and manipulate MP3's or other audio files as if they were real ... dollars on vinyl, as well as eliminate the need to carry huge boxes of records with you.

Description : How come lemonade mixes use artificial lemons, but furniture polish uses the real thing?

Last Answer : To put it simply, you want lemonade mixes to taste good, and you want furniture polish to actually clean your stuff.First, one issue with the question: Some furniture polishes don’t use lemon, even if ... to preserve wood instead of oil, with a touch of lemon and orange just to provide the scent.

Description : The evolution of heat of solution takes place in ammonia absorption plant when (a) ammonia vapour goes into solution (b) ammonia vapour is driven out of solution (c) lithium bromide mixes with ammonia (d) weak solution mixes with strong solution

Last Answer : Ans: a

Description : The marketing mixes of organizations that market services include product, price, promotion, place and : 1. packaging 2. premiums 3. people 4. purchasing 5. none of these

Last Answer : people

Description : A mixed flow centrifugal pump (A) Employs such an impeller, through which the flow is a combination of radial & axial flow (B) Mixes the two fluids before pumping them (C) Pumps the two fluids separately and then mixes them (D) Employs impellers in both the radial & axial directions

Last Answer : (A) Employs such an impeller, through which the flow is a combination of radial & axial flow

Description : Extended P's of service marketing mixes:  People, Product, Process  Price, Physical Evidence, Promotion  Physical Evidence, Place, People  Product, Process, Physical Environment

Last Answer : People, Product, Process

Description : Extended P's of service marketing mixes:  People, Product, Process  Price, Physical Evidence, Promotion  Physical Evidence, Place, People  Product, Process, Physical Environmen

Last Answer : People, Product, Process

Description : According to I.S. : 456, the number of grades of concrete mixes, is (A) 3 (B) 4 (C) 5 (D) 7

Last Answer : (D) 7