Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 1000 3000 (i.e. 0.3%) 500 50 1000 3000 (i.e. 0.3%) 500 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of excess flourine in water causes Fluorosis Dental cavity Respiratory disease Tooth decay Fluorosis Dental cavity Respiratory disease Tooth decay ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbon monoxide is a pollutant, which causes Asphyxiation (suffocation) leading to death Damage to building materials like marble Respiratory disease (e.g. asthma) Retardation in crop growth Asphyxiation (suffocation) leading to death Damage to building materials like marble Respiratory disease (e.g. asthma) Retardation in crop growth ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The commonest form of iron & manganese found in ground water as pollutant is in the form of their Carbonates Sulphides Chlorides Bi-carbonates Carbonates Sulphides Chlorides Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of soluble organics in polluted water causes Explosion hazards Undesirable plants growth Depletion of oxygen Fire hazards Explosion hazards Undesirable plants growth Depletion of oxygen Fire hazards ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. 120 150 180 90 120 150 180 90 ANSWER DOWNLOAD EXAMIANS APP