Environmental Engineering in CE Which of the following is an adsorbant used for the removal of SO₂ from gas/air? Active carbon Limestone powder or alkalised alumina Bog iron Silica gel Active carbon Limestone powder or alkalised alumina Bog iron Silica gel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Gritty & inorganic Oil & fatty Dissolved solid Suspended solid Gritty & inorganic Oil & fatty Dissolved solid Suspended solid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Persons working in cement plants and limestone quarries are more prone to disease like Asthma Cancer Flourosis (bone disease) Silicosis Asthma Cancer Flourosis (bone disease) Silicosis 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. 10² 10⁹ 10¹⁵ 10⁵ 10² 10⁹ 10¹⁵ 10⁵ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water. Total solids All of these Color (Hazen) Turbidity Total solids All of these Color (Hazen) Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of oxidised sewage is about 6.2 7.3 1.8 13.4 6.2 7.3 1.8 13.4 ANSWER DOWNLOAD EXAMIANS APP
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