Environmental Engineering In Ce - Study Mode
[#111] Which of the following pollutants is not emitted during volcanic eruptions?
Correct Answer
(D) Hydrocarbons
[#112] Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal
Correct Answer
(B) In sedimentation tanks equipped with mechanical scrapper
[#113] Nitrogen oxides (NO x ) is not produced in the __________ industry.
Correct Answer
(C) Detergent
[#114] Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes
Correct Answer
(C) Undesirable plant growth
[#115] Which of the following is a green house gas other than CO 2 ?
Correct Answer
(D) All of the above