Gravity. 9. Age structure data include all of the following except. a. the number of members of a population who are between 5 and 11 years old. b. the ratio of males to females in a population. c. the amount of population change due to immigration or emigration. d. the ratio of older people to younger people in a population.
List of 200+ environmental studies objective type questions and answers! 1. In an ecotone, the species which become abundant are called: ADVERTISEMENTS: a. Edge species b. Keystone species c. Endemic species d. Foster species Ans. a 2. The objective of Environment studies is ADVERTISEMENTS: a. Raise consciousness about environment conditions b. To teach …
1 points. Dilution method of disposing off sewage, is not preferred to. when sewage is fresh. when diluting water has high dissolved oxygen content. when diluting water is used for water supply near the point of sewage disposed. when the diluting water is having …
Sewage Treatment Plant objective questions and answers. 36. Direct destruction to pathogenic bacteria is caused by. 37. The maximum permissible colour for doomestic suppilies basedon cobalt scale is. 38. Lead caukled joints are used for laying. 39. Disposal to sewage in large cities, is done in.
Apr 20, 2019 · A document with 121 questions and multiple-choice answers — with the correct answers marked by A Northern Light Summary Free asterisks — was shared in a Facebook study …. Download for offline reading, highlight, bookmark or take notes while you read Human Resource Management (S) MCQs: Multiple Choice Questions and ...
(NCERT Chapter Solutions and Other Q & A) Q1: Fill in the blanks: Answer: (a) Cleaning of water is a process of removing _pollutants_. (b) Wastewater released by houses is called _sewage_. (c) Dried _sludge__ is used as manure. (d) Drains get blocked by _cooking oil__ and _fats__. (e) Wastewater is treated in a sewage treatment plant. (f) Septic tanks, chemical toilets, composting pits …
In this page you can learn various important sewage treatment plant multiple choice questions and answers,sloved waste water treatment questions answers, important industrial waste water treatment objective questions,water treatment question answers …
If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is (A) 100 mg/l (B) 200 mg/l ... I.C Engines Multiple Choice Questions with Answers - Set 02. Practice Test: Question Set - 02 1. If the temperature of intake air in internal combustion engine ...
ADVERTISEMENTS: In this article we will discuss about:- 1. Meaning of Sewage 2. Composition of Sewage 3. Classification 4. Characteristics 5. Disposal 6. Treatment. Meaning of Sewage: 'Sewage' is a collective noun used to represent liquid or solid wastes carried in sewers. It consists of domestic water-borne wastes including human and animal excrete, washing waters […]
Do you know anything about waste disposal? Waste is grouped according to source and composition, as waste materials are either liquid or solid in form. The term waste typically refers to sewage, hazardous waste, and electronic waste. Some solid and liquid waste conditions are dangerous because they are harmful to human health and the environment. See how much you know about …
b) Volume of diluted sample / Volume of sewage. c) Volume of diluted sample – Volume of sewage. d) Volume of diluted sample* Volume of sewage. Answer: b. Clarification: The dilution factor is the ratio of volume of diluted sample of water to the volume of sewage. It is used in finding the BOD of water. 4.
Waste Management Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
Waste MCQ Question 1 Detailed Solution. Download Solution PDF. The correct answer is Composting. The definition of compost means to mix vegetables and other organic waste together and to let them decompose. Compost is a mixture of organic residues ( manure, animal carcasses, straw, etc.) that have been piled, mixed, and moistened to undergo ...
These MCQ Questions on Wastewater Story Class 7 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 18 Science Class 7 and cross-check your answers during preparation. Question 1. Untreated human excreta is a: (a) waste water. (b) health hazard.
This is the civii engineering questions and answers section on 'Environmental Engineering' with the option for disscussion in forum, usefull for competitive examination and entrance test like GATE ESE PSU. Solved examples with detailed answer description, disscussion in forum helps in easy to understand concepts.
Objective of Waste Water Treatment 2. Steps Involved in Waste Water Treatment. ... Primary treatment of sewage removes 60% suspended solids, 30% COD, 35% BOD, 10% P and 20% total nitrogen. ... This is a question and answer forum for students, teachers and general visitors for exchanging articles, answers and notes. Answer Now and help others.
Short Answer Type Questions. Name two inorganic impurities present in sewage. Animal waste, oil and urea are some of the organic impurities present in sewage. Name two more organic impurities present in sewage. Name two alternative arrangements for sewage disposal where there is no sewerage system.
NCERT Exemplar Solutions for Class 7 Science Chapter 18 Wastewater Story covers questions importance of water resource, house-keeping practices, sewage and its treatment, sanitation, diseases, the importance of consuming clean water, water pollution, measures to control water pollution, essential diagrams and charts.
Industrial ecology. 2. The term zero waste was first used publicly in the name of a company, Zero Waste Systems Inc (ZWS), which was founded by PhD chemist Paul Palmer in the mid 1970s in________. A. Hayward, California. B. Oakland, California. C.
Civil Engineering questions and answers. Part II: Design a private sewage system (septic tank and disposal field) for the building in Appendix C. In this design, use a percolation rate of 32 minutes. APPENDIX C ASPHALT SHINGLES 2 1 am BRICK NORTHEAST ELEVATION 7690 12 2626 910 18-3 323" 123 74 1-0 He BERDOM BEDROOM LIVING FAMILY 6-02 36-0 291 ...
Below is a Municipal Solid Waste trivia quiz to help Test Your Knowledge about Waste Management! TA good sewerage system makes an area clean and at the same time, frees the community from some waterborne diseases and other... 10 - Science - 08. Biology – Waste Water Management. 10 - Science - 08.
Water Treatment Plant objective questions and answers. 41. Thesewer which collects the dischargfe from a collecting system and delivers it to a treatment plant is known. 42. The underground sewers are more subjected to. 43. Setting out the alignment of sewersmay start from. D.
Multiple choice questions on Environmental Engineering topic Sewage System. Practice these MCQ questions and answers for preparation of various competitive and entrance exams.
Sewerage. (b) Transport system that carries sewage. 4. Earthworm. (e) Used in verminprocessing toilets. 5. Organic impurities. (a) Pesticides and herbicides. Hope the information shed above regarding NCERT MCQ Questions for Class 7 Science Chapter 18 Wastewater Story with Answers Pdf free download has been useful to an extent.
Chemical toilets: A chemical toilet is a toilet which uses chemicals to deodorise the waste instead of storing it in a hole or piping it away to a sewage treatment plant. Related Questions Which fibre among the following is not a natural fibre
Here's the answer from Wikipedia. Sewage treatment, or domestic wastewater treatment, is the process of removing contaminants from wastewater and …
4.1 Flow diagrams of sewage sludge treatment facilities 93 4.2 Types of sludge and sludge stablisation general 97 4.3 Anaerobic sludge treatment (digestion) 100 4.4 Gas production, processing and utilisation 107 4.5 Conditioning, thickening, storage and sludge dewatering 113 4.6 Utilisation, disposal of sludge and residues 117 5.
Sewage MCQ Question 5 Detailed Solution. Download Solution PDF. Self-cleansing velocity is defined as the minimum velocity of flow at which no solid is deposited in the sewer even at minimum flow. It can be calculated as: V = 1 n R 1 6 { K s ( G s − 1) d p } 1 2. Gs = Specific gravity of particle.
There are many permitted facilities around the state where waste tires are accepted for temporary storage and then transported to processing or disposal facilities. Question 14. Is A Solid Waste Permit Required For The Disposal Or Management Of Waste Tires? Answer :
Objective question and answer one dimensional analysis, fluid mechanics; Objective question and answer on boundary layer, fluid mechanics ... 198.The main object of sewage disposal is. To dispose off properly human excreta to a safe place before it creates unhealthy conditions in the locality;
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