Environmental Engineering in CE The lowest layer of atmosphere is known as the Stratosphere Ionosphere None of these Troposphere Stratosphere Ionosphere None of these Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones. 10⁵ 10¹⁵ 10² 10⁹ 10⁵ 10¹⁵ 10² 10⁹ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Persons working in cement plants and limestone quarries are more prone to disease like Asthma Cancer Silicosis Flourosis (bone disease) Asthma Cancer Silicosis Flourosis (bone disease) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Trickling filter Skimming tank Detritus tank Grit chamber Trickling filter Skimming tank Detritus tank Grit chamber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution due to excessive heat & temperature in the working place causes Reduction in working efficiency of manpower High breathing rate All of these Fatigue Reduction in working efficiency of manpower High breathing rate All of these Fatigue ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is not emitted during volcanic eruptions? Hydrocarbons H₂S CO SO₂ Hydrocarbons H₂S CO SO₂ ANSWER DOWNLOAD EXAMIANS APP