Environmental Engineering An egg shaped section of sewer Provides self cleansing velocity at low discharges Is easy to construct Is more stable than circular section Is economical than circular section Provides self cleansing velocity at low discharges Is easy to construct Is more stable than circular section Is economical than circular section ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hydraulic mean depth (HMD) for an egg-shaped sewer flowing two-third full is Equal to HMD when flowing full Greater than HMD when flowing full None of these Less than HMD when flowing full Equal to HMD when flowing full Greater than HMD when flowing full None of these Less than HMD when flowing full 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 (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
Environmental Engineering The polluted water is one which Contains pathogenic bacteria Is contaminated Consists of undesirable substances rendering it unfit for drinking and domestic use Is safe and suitable for drinking and domestic use Contains pathogenic bacteria Is contaminated Consists of undesirable substances rendering it unfit for drinking and domestic use Is safe and suitable for drinking and domestic use ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering On standard silica scale, the turbidity in drinking water should be limited to 30 ppm 50 ppm 10 ppm 20 ppm 30 ppm 50 ppm 10 ppm 20 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Assertion A: Slow sand filters are more efficient in removal of bacteria than rapid sand filters.Reason R: The sand used in slow sand filters is finer than that in rapid sand filtersSelect your answer based on the coding system given below: Both A and R is true and R is the correct explanation of A Both A and R is true but R is not the correct explanation of A A is false but R is true A is true but R is false Both A and R is true and R is the correct explanation of A Both A and R is true but R is not the correct explanation of A A is false but R is true A is true but R is false ANSWER DOWNLOAD EXAMIANS APP
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