Environmental Engineering The minimum and maximum diameters of sewers shall preferably be 30 cm and 450 cm 60 cm and 300 cm 15 cm and 100 cm 15 cm and 300 cm 30 cm and 450 cm 60 cm and 300 cm 15 cm and 100 cm 15 cm and 300 cm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 1 - 2 year 10 - 12 days 24 - 48 hours 2 - 3 months 1 - 2 year 10 - 12 days 24 - 48 hours 2 - 3 months ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable system of sanitation for area of distributed rainfall throughout the year with less intensity is Combined system Partially combined system Partially separate system Separate system Combined system Partially combined system Partially separate system Separate system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by COD > BOD > TOD BOD > COD > TOD TOD > COD > BOD TOD > BOD > COD COD > BOD > TOD BOD > COD > TOD TOD > COD > BOD TOD > BOD > COD ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is (i) Presumptive coli-form test (ii) Confirmed coli-form test (iii) Completed coli-form test Both (i) and (ii) All (i), (ii) and (iii) Both (i) and (iii) Only (i) Both (i) and (ii) All (i), (ii) and (iii) Both (i) and (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Sodium permanganate Copper sulphate Lime Sulphuric acid Sodium permanganate Copper sulphate Lime Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
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