Environmental Engineering in CE Scale formation in boiler is controlled by Keeping the pH value of feed water just below 7 Eliminating H₂S in feed water Preheating of feed water Reduction in hardness, silica & alumina in feed water Keeping the pH value of feed water just below 7 Eliminating H₂S in feed water Preheating of feed water Reduction in hardness, silica & alumina in feed water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbon monoxide is a pollutant, which causes Retardation in crop growth Asphyxiation (suffocation) leading to death Respiratory disease (e.g. asthma) Damage to building materials like marble Retardation in crop growth Asphyxiation (suffocation) leading to death Respiratory disease (e.g. asthma) Damage to building materials like marble ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 50 500 1000 3000 (i.e. 0.3%) 50 500 1000 3000 (i.e. 0.3%) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbonaceous particles having size less than 1 μm are called Grit Smoke Aggregates Aerosols Grit Smoke Aggregates Aerosols ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Industrial workers working in leather tanning & manufacturing units are prone to suffer from Respirtory ailments (e.g. bronchitis) Skin diseases (e.g. dermatities) Blurred vision Silicosis Respirtory ailments (e.g. bronchitis) Skin diseases (e.g. dermatities) Blurred vision Silicosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Suspended solids Heavy metals and cynides All of these Soluble and toxic organics Suspended solids Heavy metals and cynides All of these Soluble and toxic organics ANSWER DOWNLOAD EXAMIANS APP