Environmental Engineering Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine the Dissolved oxygen in water Hardness in water Residual chlorine in water Turbidity in water Dissolved oxygen in water Hardness in water Residual chlorine in water Turbidity in water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called Lateral sewer House sewer Main sewer Sub-main sewer Lateral sewer House sewer Main sewer Sub-main sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is Zero Infinite 1 100 Zero Infinite 1 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is 40 ppm 4 ppm 10 ppm 1 ppm 40 ppm 4 ppm 10 ppm 1 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is designed for Average flow only Minimum flow only Maximum flow only Maximum and minimum flow Average flow only Minimum flow only Maximum flow only Maximum and minimum flow ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Cleaning is done by (i) Scraping and removal in filters slow sand (ii) Back washing in slow sand filters (iii) Scraping and removal in filters rapid sand (iv) Back washing in rapid sand filters The correct answer is (i) and (ii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
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