19. What are the advantages of open dumping disposal process?
18.What are the advantages of the bag filter?
17.The environmental lapse rate is 10°C/ 1000 meter, if the ground temperature is 50°C. What will be the temperature (°C) at 500 meter elevation?
a) 40 b) 45 c) 50
d) 55
16.Define the term Hazardous waste?
15.What are the disadvantages of Land fill disposal method?
Paper waste is belongs to..........solid waste
a) Rubbish
b) Garbage
c) Pathological waste
d) none
13.The cut diameter particle gives ......... efficiency in the cyclone separator
a) 25% b) 50% c) 75% d) 100%
12. Define the term photochemical smog?
Define the term population of doubling time period?
10.Which of the following is not a source correction method to control air
pollution?
a) Product storage
c) Equipment modification
b) Process changes
d) Raw material changes