Environmental Engineering The slope of sewer shall be Given in the direction opposite to natural slope of ground Zero Given in the direction of natural slope of ground Steeper than 1 in 20 Given in the direction opposite to natural slope of ground Zero Given in the direction of natural slope of ground Steeper than 1 in 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effect of increasing diameter of sewer on the self cleansing velocity is Fluctuating Nil To decrease it To increase it Fluctuating Nil To decrease it To increase it ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In a BOD test, 1.0 ml of raw sewage was diluted to 100 ml and the dissolved oxygen concentration of diluted sample at the beginning was 6 ppm and it was 4 ppm at the end of 5 day incubation at 20°C. The BOD of raw sewage will be 100 ppm 200 ppm 400 ppm 300 ppm 100 ppm 200 ppm 400 ppm 300 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The length of rectangular sedimentation tank should not be more than (Where ‘B’ is the width of the tank) B 2B 4B 8B B 2B 4B 8B 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 TOD > COD > BOD COD > BOD > TOD BOD > COD > TOD TOD > BOD > COD TOD > COD > BOD COD > BOD > TOD BOD > COD > TOD TOD > BOD > COD ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to shallow wells, deep wells have Less depth More depth Less discharge More discharge Less depth More depth Less discharge More discharge ANSWER DOWNLOAD EXAMIANS APP
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