Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Characterisation of liquid effluents Characterisation of boiler feed water Characterisation of solid wastes Organic concentration in gaseous effluents Characterisation of liquid effluents Characterisation of boiler feed water Characterisation of solid wastes Organic concentration in gaseous effluents ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the Troposphere Stratosphere None of these Ionosphere Troposphere Stratosphere None of these Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to chemicals having carcinogenic properties cause Asphyxiation (suffocation) Cancer Asthma Dermatitis (skin disorder) Asphyxiation (suffocation) Cancer Asthma Dermatitis (skin disorder) 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 All of these Fading of dyes on textiles Reduced strength of textiles Corrosion, tarnishing & soiling of metals All of these Fading of dyes on textiles Reduced strength of textiles Corrosion, tarnishing & soiling of metals ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 5 10 1 20 5 10 1 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the Biological oxygen demand (BOD) Bacterial stability factor Oxygen ion concentration Relative stability Biological oxygen demand (BOD) Bacterial stability factor Oxygen ion concentration Relative stability ANSWER DOWNLOAD EXAMIANS APP
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