Environmental Engineering in CE Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to Both A & B Shear forces Neither A nor B Reynold stresses Both A & B Shear forces Neither A nor B Reynold stresses 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. 5 2000 1000 500 5 2000 1000 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE As compared to rapid sand filters, slow sand filters give(i) Slower filtration rate(ii) Higher filtration rate(iii) Lesser efficiency in removal of bacteria(iv) Higher efficiency in removal of bacteriaThe correct answer is (ii) and (iii) (i) and (ii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (ii) (ii) and (iv) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone level is generally found to be depleted in India in the month of December April July February December April July February ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant. Phosphorous Calcium Sulphur Fluorine Phosphorous Calcium Sulphur Fluorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Organic concentration in gaseous effluents Characterisation of liquid effluents Characterisation of boiler feed water Characterisation of solid wastes Organic concentration in gaseous effluents Characterisation of liquid effluents Characterisation of boiler feed water Characterisation of solid wastes ANSWER DOWNLOAD EXAMIANS APP