Environmental Engineering in CE Smog is not formed due to the presence of __________ in the atmosphere. SO₂ NOx Any of these CO₂ SO₂ NOx Any of these CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The earth's atmosphere is an envelope of gases present upto a height of about __________ kms. 200 1000 2000 10 200 1000 2000 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum? Cruising Deaccelaration Acceleration Idle running Cruising Deaccelaration Acceleration Idle running ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 1 to 2 4 to 5 15 to 20 9 to 10 1 to 2 4 to 5 15 to 20 9 to 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal In sedimentation tanks equipped with mechanical scrapper By chemical coagulation In vacuum filter In clarifiers In sedimentation tanks equipped with mechanical scrapper By chemical coagulation In vacuum filter In clarifiers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank. Filtration Both B and C Sedimentation Digestion Filtration Both B and C Sedimentation Digestion ANSWER DOWNLOAD EXAMIANS APP