29.List any five Industries, which act as the major sources for Hazardous Air Pollutants. 30.List out the names of any three hazardous air pollutants and their effects on humanhealth.
31.Explain the influence of moisture, temperature and sunlight on the severity of airpollution effects on materials. 32. Differentiate between acute and chronic health effects from Air pollution. 33.Define the term Acid rain and explain how it occurs. 34. Discuss briefly the causes for global warming and its consequences 35. Suggest suitable Air pollution control devices for a few pollutants and sources. 36.Explain how evaporative emissions and exhaust emissions are commonly controlled. 37.What are the harmful elements present in the automobile smokes? How their presencecould be controlled? 38.What is the Advantage of Ozone layer in the atmosphere? State few reasons for itsdestruction. 39.Explain the mechanism by which hearing damage occurs. 40.List any five effects of noise other than hearing damage. 41.Explain why impulsive noise is more dangerous than steady state noise. 42.Explain briefly the Source – Path – Receiver concept of Noise control. 43.Where silencers or mufflers are used ? Explain how they reduce the noise. 44.Describe two techniques to protect the receiver from hearing loss when design / redressfor noise control fail. 45.What are the problems faced by the people residing along the side of a railway trackand near to an Airport? What provisions could be made in their houses to reduce theproblem?
3. DISASTER MANAGEMENT 1.What is meant by Disaster Management? What are the different stages of Disastermanagement? 2. Differentiate Natural Disasters and Man made Disasters with examples. 3.Describe the necessity of Risk identification and Assessment Surveys while planning aproject. 4.What is Disasters recovery and what does it mean to an Industry? 5.What are the factors to be considered while planning the rebuilding works after a majordisaster due to flood / cyclone / earthquake? (Any one may be asked) 6.List out the public emergency services available in the state, which could be approachedfor help during a natural disaster. 7. Specify the role played by an Engineer in the process of Disaster management. 8.What is the cause for Earthquakes? How they are measured? Which parts of India aremore vulnerable for frequent earthquakes?
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