Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Characterisation of boiler feed water Characterisation of liquid effluents Organic concentration in gaseous effluents Characterisation of solid wastes Characterisation of boiler feed water Characterisation of liquid effluents Organic concentration in gaseous effluents Characterisation of solid wastes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 1 50 500 5 1 50 500 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following sources is responsible for maximum air pollution? Photochemical oxidation of organic matter Automobiles exhaust Industrial chimney exhaust Forest fire Photochemical oxidation of organic matter Automobiles exhaust Industrial chimney exhaust Forest fire ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO₂ in air is __________ ppm. 1000 500 5 2000 1000 500 5 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tolerable limit of nitrogen oxides in air is __________ ppm. 5 1 0.1 25 5 1 0.1 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Bag filter design is predominantly dependent on gas temperature, as it affects the gas density & viscosity and the selection of filtering material. The pressure drop in a bag filter is Proportional to the viscosity & density of the gas Both B and C Proportional to the pressure of the gas Inversely proportional to viscosity of gas Proportional to the viscosity & density of the gas Both B and C Proportional to the pressure of the gas Inversely proportional to viscosity of gas ANSWER DOWNLOAD EXAMIANS APP