Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 1000 2000 50 5000 1000 2000 50 5000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone level is generally found to be depleted in India in the month of July April February December July April February December ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Ferrous sulphate Chloramine Hydrated lime Aluminium sulphate Ferrous sulphate Chloramine Hydrated lime Aluminium sulphate 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 Reinglemann chart is used for the measurement of the Flue gas temperature Exhaust gas density Combustibles present in automobile exhaust Smoke density from a chimey Flue gas temperature Exhaust gas density Combustibles present in automobile exhaust Smoke density from a chimey ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Photochemical smog is formed from automobile exhaust Is harmful for crops and trees also besides causing eye irritation & asthma All of these Appears only on sunny days By reaction of hydrocarbon & nitric oxide in presence of sunlight Is harmful for crops and trees also besides causing eye irritation & asthma All of these Appears only on sunny days By reaction of hydrocarbon & nitric oxide in presence of sunlight ANSWER DOWNLOAD EXAMIANS APP