Environmental Engineering in CE The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the Oxygen ion concentration Bacterial stability factor Relative stability Biological oxygen demand (BOD) Oxygen ion concentration Bacterial stability factor Relative stability Biological oxygen demand (BOD) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called Smoke Mists Aerosols Fumes Smoke Mists Aerosols Fumes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ bacteria in water causes disease like typhoid. Pathogenic Anaerobic Aerobic Non-pathogenic Pathogenic Anaerobic Aerobic Non-pathogenic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ can not control the noise pollution. Tree plantation Use of silencers Vibration damping Green house gases Tree plantation Use of silencers Vibration damping Green house gases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is removed from water by lime-soda process. Temporary hardness Iron and manganese Permanent hardness Foul smell and taste Temporary hardness Iron and manganese Permanent hardness Foul smell and taste ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hydrogen ion concentration in distilled water is 7 x 10⁻⁷ 10⁻⁷ 7 x 10⁷ 10⁷ 7 x 10⁻⁷ 10⁻⁷ 7 x 10⁷ 10⁷ ANSWER DOWNLOAD EXAMIANS APP
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