Environmental Engineering in CE __________ substances present in sewage are removed in grit chamber during sewage treatment. Inorganic Dissolved Fatty Organic Inorganic Dissolved Fatty Organic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagoons used for purification of polluted water Use micro-organisms/bacteria in presence of dissolved oxygen Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre All of these Use micro-organisms/bacteria in presence of dissolved oxygen Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ is accomplished by aeration of water. Dissolved solids None of these Dissolved gases Suspended solids Dissolved solids None of these Dissolved gases Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Persons working in cement plants and limestone quarries are more prone to disease like Flourosis (bone disease) Silicosis Cancer Asthma Flourosis (bone disease) Silicosis Cancer Asthma ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level in a quiet private business office is about __________ decibels. 85 70 50 25 85 70 50 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Oxidation Lagoon Skimming tank Imhoff tank Oxidation Lagoon Skimming tank Imhoff tank ANSWER DOWNLOAD EXAMIANS APP
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