Questions Marks Total Marks Q.No Discuss the various stages involved in the methodology of Operations Research. Briefly 1 explain the techniques and tools of Operations Research. Operations Research Methodology Techniques and tools of Operations Research 2 5 10 5 a. Explain the steps involved in linear programming problem formulation. Discuss in brief the advantages of linear programming. b. Alpha Limited produces & sells two different products under the brand names black & white
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Salt Pollution As awareness for pollution increases‚ other forms of pollution are defined. Almost everyone knows about toxic waste and carbon dioxide pollution‚ but not many people have heard of salt pollution. Salt pollution has been on the increase since the evolution of the automobile. With more pressure on government agencies to keep the highway clear and safe‚ an increase in the use of salt has developed. It is important to understand why salt is used and how it work as well as the environmental
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SCIENCE TERM PAPER: INDUSTRIAL POLLUTION AND ITS EFFECTS ON THE ENVIRONMENT. (A Case study of pesticides poisoning fish in Lake Naivasha). Introduction. Pollution may be defined as any direct or indirect alteration of the physical‚ thermal‚ biological or radioactive properties of the environment that creates an actual or potential hazard to the health safety or welfare of any living species. Also pollution may said to be any inserting of any foreign matter
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Air pollution is the introduction into the atmosphere of chemicals‚ particulates‚ or biological materials that cause discomfort‚ disease‚ or death to humans‚ damage other living organisms such as food crops‚ or damage the natural environment or built environment. The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth’s ecosystems
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Topic: Pollution is becoming serious in our country‚ especially in the big city. Discuss some possible causes leading to this situation. Pollution is now one of the most serious environmental problems in our country‚ especially in big cities. Many projects have been carried out to deal with this problem but there does not seem a lot of improvement to be brought about. As far as the causes of this issue are concerned‚ three reasons can be looked into: bad waste disposal system‚ the rapid increase
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Loutfi Environmental education Pollution I. Definition Pollution occurs when pollutants contaminate the natural surroundings; which brings about changes that affect our normal lifestyles adversely. II. Why it is dangerous? Pollution disturbs our ecosystem and the balance in the environment. With modernization and development in our lives pollution has reached its peak; giving rise to global warming and human illness. III. Types & Causes of Pollution A. Air pollution It occurs when any harmful
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GEOS 3310 Lecture Notes: Water Pollution Dr. T. Brikowski Spring 2012 file:waterQuality.tex‚v (1.33‚ November 14‚ 2011)‚ printed March 30‚ 2012 Water Pollution 1 Introduction Water pollution is the “degradation of water quality as measured by biological‚ chemical‚ or physical criteria.” Common sources of groundwater pollution are listed in Keller [Table 14.3‚ 2011]. Typical pollutants include: • Oxygen-demanding waste: materials that produce a high BOD [Fig. 11.2‚ Keller‚ 2000]
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the earth is hopeless. However water pollution must be stooped because the water is more important than anything. We can survive without oil or gold but we can’t survive without water. We need water for everything. The Greek philosopher Plato said: ”Water is something most needed for sustain life‚ and that easily destroyed. It is therefore a need protective law" . His statement is not lost actually. Even Plato in 2500 B.C was writing about the water pollution and how we influence over our life
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indicate their pitch in decibel in the nosiest areas of corresponding cities‚ e.g. Delhi- 80 db‚ Kolkata - 87‚Bombay-85‚ Chennai-89 db etc. 3 Sources of Noise Pollution:- Noise pollution like other pollutants is also a by- product of industrialization‚ urbanizations and modern civilization. Broadly speaking ‚ the noise pollution has two sources‚ i.e. industrial and non- industrial. The industrial source includes the noise from various industries and big machines working at a very high speed and
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Air pollution is caused by many things‚ earth is very good at cleaning the air on its own‚ though through the years air pollution has gotten to a very bad point where earth can no longer clean all of the pollution we produce which has now started to have very bad effects on our environment such as causing acid rain‚ smog and a lot of health problems. There are a variety of things that cause air pollution like for example cars‚ airplanes and other engine vehicles. All these engine vehicles release
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