Environmental Engineering The effective size of sand particles used in slow sand filters is 0.25 to 0.35 mm 0.35 to 0.60 mm 0.60 to 1.00 mm 1.00 to 1.80 mm 0.25 to 0.35 mm 0.35 to 0.60 mm 0.60 to 1.00 mm 1.00 to 1.80 mm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pipe which is used to carry the discharge from sanitary fittings like bath rooms, kitchens etc. is called Anti-siphonage pipe Waste pipe Vent pipe Soil pipe Anti-siphonage pipe Waste pipe Vent pipe Soil pipe ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Laying of sewers is usually done with the help of A compass A Theodolite Sight rails and boning rods A plane table A compass A Theodolite Sight rails and boning rods A plane table ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The specific gravity of sewage is Slightly greater than 1 Slightly less than 1 Equal to 1 Much greater than 1 Slightly greater than 1 Slightly less than 1 Equal to 1 Much greater than 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine the Turbidity in water Hardness in water Dissolved oxygen in water Residual chlorine in water Turbidity in water Hardness in water Dissolved oxygen in water Residual chlorine in water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering 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 bacteria The correct answer is (i) and (ii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (ii) (ii) and (iv) (ii) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP