Thapar University 2010 B.E Civil Engineering CE 046 : Solid and Hazardous Waste Management - Question Paper
THAPAR UNIVERSITY, PATIALA
Department of Biotechnology and Environmental Sciences
BE (Civil) IV Year CE-046 : Solid and Hazardous Waste Management
Mid-Semester Examination - March 11, 2010 Instructor
Time : 2 hours; Maximum Marks : 40 N. Tejo Prakash
1. Question paper has two sections A & B
2. All parts of the questions should be attempted in series
SECTION A
(ANSWER ANY 4 OUT OF 5 QUESTIONS GIVEN BELOW)
Marks
6
6
6
6
6
Q1 Describe any two physical and two chemical properties of MSW and their importance in waste management perspective.
Q2 What are the important questions to be addressed for promoting recycling of waste? Describe the need and process steps associated with recycling of paper.
Q3 What are the important factors that would influence the screening of waste using trammel screen? Differentiate between cascading, cataracting and centrifuging behaviour of waste in a trommel screen.
Q4 Describe how carbon content, oxygen and temperature influence the composting process.
Q5 Describe the processes associated with particle charging in electrostatic precipitator.
SECTION B
(ANSWER ANY 8 OUT OF 10 QUESTIONS GIVEN BELOW)
Q1 What are the work elements that would comprise integrated waste management 2 system?
Q2 What are pre-requisite data required for calculating energy content of the waste 2 using (a) Dulong formula and (b) Khan formula
Q3 What do the three arrows of recycling symbol depict? 2
Q4 What are the environmental and process benefits of recycling glass? 2
Q5 What are the factors that influence air classification of waste materials? 2
Q6 What is an eddy current separator? 2
Q7 What are three Ts that influence incineration process? 2
Q8 Name the processes used for removal of acid gases in flue gas exhaust. 2
Q9 What are the different velocities that influence the movement of flue gas in a 2 cyclone?
Q10 What are advantages and disadvantages of ESPs? 2
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