Environmental Engineering in CE Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes All of these Fading of dyes on textiles Corrosion, tarnishing & soiling of metals Reduced strength of textiles All of these Fading of dyes on textiles Corrosion, tarnishing & soiling of metals Reduced strength of textiles ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution due to excessive heat & temperature in the working place causes High breathing rate Fatigue Reduction in working efficiency of manpower All of these High breathing rate Fatigue Reduction in working efficiency of manpower All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a source of ozone emission in the atmosphere? Dermatological photo-therapy equipments Xerox machines Refrigerators High voltage electrical equipments Dermatological photo-therapy equipments Xerox machines Refrigerators High voltage electrical equipments 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. Anaerobic Parasitic Aerobic Saphrophytic Anaerobic Parasitic Aerobic Saphrophytic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hydrogen ion concentration in distilled water is 7 x 10⁷ 10⁷ 10⁻⁷ 7 x 10⁻⁷ 7 x 10⁷ 10⁷ 10⁻⁷ 7 x 10⁻⁷ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. None of these Anaerobic decomposition Aerobic decomposition Separation None of these Anaerobic decomposition Aerobic decomposition Separation ANSWER DOWNLOAD EXAMIANS APP