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Environmental Engineering - 1 - December 2016
MU Civil Engineering (Semester 6)
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary
Write a short note on any four Q1.(a,b,c,d,e)
1(A) Give the requirement of good water meter. 5 marks1(B) Explain the formation of monochloramine, dischloramine and trichloramine. 5 marks
1(C) What are the factors affecting loaction of intake structure. 5 marks
1(D) Explain how the turbidity affects the disinfection process. 5 marks
1(E) What is transfer station? Why it is required. 5 marks
2(A) Define distributive lattice. Show that in a bounded distributive lattice, if a complement exists, its unique. 5 marks
2(B) Explain the significance of good water supply scheme. 5 marks
2(C) What are the characteristics of hazardous waste. 5 marks
3(A) Design a sedimentation tank to treat 8 MLD of water. Assume flow rate 600lit/ hr and detention time 5hrs, velocity of flow 0.25m/minute. 5 marks
3(B) What are the methods of water softening? Explain any one method. 5 marks
3(C) Explain the functional element of solid waste management. 5 marks
4(A) What are the operational troubles in rapid sand filter? What is negative head? 5 marks
4(B) Explain different coagulant used in water treatment. 5 marks
4(C) What are the different methods of volume reduction in solid waste. 5 marks
5(A) Draw a neat sketch water treatment plant and explain it's functioning. 5 marks
5(B) Explain how colour and odour present in water are measured. 5 marks
5(C) Chlorine usage in the treatment of 25000m3/day of water is 10kg/day. The residual chlorine after 20 minutes contact time is 0.2mg/lit. Calculate dose of chlorine and chlorine demand of water. 5 marks
6(A) What are the water borne diseases explain in brief. 5 marks
6(B) Differentiate between rapid and slow sand filter. 5 marks
6(C) Explain leachate collection and it's management in landfill. 5 marks