Environmental Engineering The correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by BOD > COD > TOD TOD > COD > BOD COD > BOD > TOD TOD > BOD > COD BOD > COD > TOD TOD > COD > BOD COD > BOD > TOD TOD > BOD > COD ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable layout of distribution system for a city with roads of rectangular pattern is Radial system Grid iron system Dead end system Ring system Radial system Grid iron system Dead end system Ring system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the average daily consumption of a city is 100,000 m³, the maximum daily consumption on peak hourly demand will be 270000 m³ 150000 m³ 180000 m³ 100000 m³ 270000 m³ 150000 m³ 180000 m³ 100000 m³ 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 Sub-main sewer House sewer Lateral sewer Main sewer Sub-main sewer House sewer Lateral sewer Main sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hourly variation factor is usually taken as 1.5 2.0 1.8 2.7 1.5 2.0 1.8 2.7 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 (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
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