Environmental Engineering in CE The major reason of hydrodynamic noise (i.e., noise resulting from liquid flow) is Pipe vibrations Boundary layer separation Cavitation Fluctuation in liquid flow Pipe vibrations Boundary layer separation Cavitation Fluctuation in liquid flow ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tri-sodium phosphate is used in boiler water treatment to reduce Turbidity Suspended silica Caustic embrittlement Dissolved oxygen Turbidity Suspended silica Caustic embrittlement Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrates in water in excess of 50 ppm causes Mathenoglobenemia Tooth decay Gastroentetitis Asphyxiation Mathenoglobenemia Tooth decay Gastroentetitis Asphyxiation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inorganic impurities causing water pollution is Fats Salts of metals Protein Carbohydrates Fats Salts of metals Protein Carbohydrates ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of CO₂ in atmosphere Allows visible solar radiation (ultraviolet) of short wave-length to pass through All of these Reflects and absorbs the longer wavelength (infra-red) radiations Prevents solar heat being radiated out completely, resulting in Allows visible solar radiation (ultraviolet) of short wave-length to pass through All of these Reflects and absorbs the longer wavelength (infra-red) radiations Prevents solar heat being radiated out completely, resulting in ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called Cesspool Skimming mill Septic tank Lagoon Cesspool Skimming mill Septic tank Lagoon ANSWER DOWNLOAD EXAMIANS APP
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