- (A) Sedimentation
- (B) Skimming off
- (C) Chlorination
- (D) Biological oxidation
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- (A) Ion exchange process
- (B) Oxidation followed by settling & filtration
- (C) Lime soda process or manganese zeolite process
- (D) Chlorination
- (A) Characterisation of solid wastes
- (B) Organic concentration in gaseous effluents
- (C) Characterisation of liquid effluents
- (D) Characterisation of boiler feed water
- (A) ‘Green house’ (made of glass) allows visible sunlight (i.e., short wavelength solar radiation like ultra-violet rays) to pass through the glass and heat up the soil thereby warming up plants inside it
- (B) The emitted longer wavelength radiation (e.g., infrared) is partly reflected and partly absorbed by the glass of the green house
- (C) ‘Green house effect’ in earth’s atmosphere is due to increasing CO2 level in atmosphere, where CO2 acts like the glass of ‘green house’ thereby warming up the earth’s surface
- (D) ‘Green house’ is colder than the outside atmosphere
- (A) t = 15 – 0.0065h
- (B) t = 15 + 0.0065h
- (C) t = 0.0035h -15
- (D) t = 15 – 0.0035h
- (A) Hydrocarbons
- (B) NOx
- (C) SO2
- (D) CO
- (A) Diameter
- (B) Inlet gas velocity
- (C) Overall height
- (D) All
- (A) Pipe vibrations
- (B) Cavitation
- (C) Boundary layer separation
- (D) Fluctuation in liquid flow
- (A) CO, CO2 & SO2
- (B) H2S, NO & SO3
- (C) CO2, H2S & NO2
- (D) SO3, NO2 & CO2
- (A) Oxidation
- (B) Imhoff tank
- (C) Lagoon
- (D) Skimming tank
