Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Carbonate Choride Sulphate Calcium Carbonate Choride Sulphate Calcium ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes Fading of dyes on textiles Corrosion, tarnishing & soiling of metals All of these Reduced strength of textiles Fading of dyes on textiles Corrosion, tarnishing & soiling of metals All of these Reduced strength of textiles ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria. Parasitic Aerobic Anaerobic Saphrophytic Parasitic Aerobic Anaerobic Saphrophytic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most lethal water pollutant? Chlorine Phenol and cynide Alkalis Suspended solids Chlorine Phenol and cynide Alkalis Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Cleaning is done by(i) Scraping and removal in filters slow sand(ii) Back washing in slow sand filters(iii) Scraping and removal in filters rapid sand(iv) Back washing in rapid sand filtersThe correct answer is (i) and (iv) (i) and (ii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The resistance of water to the passage of light through it is a measure of the Color Hardness Dissolved gases Turbidity Color Hardness Dissolved gases Turbidity ANSWER DOWNLOAD EXAMIANS APP
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