My Profile
Active Members
TodayLast 7 Days
more...
Awards & Gifts
Online Exams
Fresher Jobs
Our fresher job section is exclusively for fresh graduates! Find jobs for freshers in major Indian
cities including Bangalore, Chennai, Hyderabad, Pune or Kochi
Resources
Find educational articles, blogs, discussion threads and other resources.
Colleges
Find details about any college in India or search for courses.
|
Download Model question papers & previous years question papers
|
Posted By: India Member Level: Diamond Posted Date: 25 Dec 2007
|
2006 Jawaharlal Nehru Technological University B.Tech Civil Engineering IV Year I Sem (NR410107) -Sup.Nov '06 - Air Pollution and Control Question paper
Code No: NR410107 NR
IV B.Tech I Semester Supplementary Examinations, November 2006
AIR POLLUTION AND CONTROL
(Civil Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. (a) Convert 0.2 ppm (vol) NO and 0.15 ppm (vol)NO2 to µg /m3 nitrogen oxides
(NOx) at 250 c and 760 mm Hg.
(b) Covert 0.35 ppm (vol) NOx to µg /m3 at 250 c and 760 mm Hg. [8+8]
2. (a) What is dose response curve? How do we establish the dose response curve for a pollutant?
(b) Discuss in detail the harmful effects of air pollutants on materials. [8+8]
3. (a) Explain ASARCO process along with a neat sketch ?
(b) Discuss an overview of the sulphur problem? [8+8]
4. (a) Air quality standard for nitrogen dioxide (NO2) is 470 Mg/m3 (at a temperature of 30oC and (1 at m of pressure) Express the concentration in PPM.
(b) Write a note on ventilation co-efficient and explain how the same is used as
an indicator of the atmosphere dispersive capability.
(c) Explain briefly the effect of variations in key parameters on SO2 plume.
[6+6+4]
5. How the topography of an area is going to affect the pollutant dispersion? [16]
6. (a) What ate the different methods used to reduce the concentration of Oxides of Nitrogen? Explain in brief.
(b) For the reaction 1/2 N2 + 1/2 O2 NO the equilibrium compositions of NO and
O2 at 4000K and 1 atm. Pressure are 1,00,000 PPM and 1,50,000 respectively.
What is the value of equilibrium constant K. [10+6]
7. (a) With a neat sketch describe a ‘Fabric Filter’.
(b) State the common ‘Fabrics’ used in Bag Filters stating their relative merits.
[8+8]
8. How do you monitor SPM concentration of the atmosphere when it is of
(a) low intensity
(b) high intensity. [16]
Attachments:
Return to question paper search
|
|
|
Submit Previous Years University Question Papers and make money from adsense revenue sharing program
Are you preparing for a university examination? Download model question papers
and practise before you write the exam.
|
Watch TV Channels
|