Environmental Engineering Most suitable section of sewer in separate sewage system is Circular section Modified egg shaped section Rectangular section Standard form of egg shaped sewer Circular section Modified egg shaped section Rectangular section Standard form of egg shaped sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow of water in a sedimentation tank is about 15 to 30 cm/hour 15 to 30 cm/minute 15 to 30 cm/sec 5 to 10 cm/sec 15 to 30 cm/hour 15 to 30 cm/minute 15 to 30 cm/sec 5 to 10 cm/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The disinfection efficiency of chlorine increases by (i) Decreasing the time of contact (ii) Decreasing the temperature of water (iii) Increasing the temperature of water Both (i) and (iii) Only (iii) Only (i) Both (i) and (ii) Both (i) and (iii) Only (iii) Only (i) Both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow does not depend on Length of sewer Grade of sewer Hydraulic mean depth of sewer Roughness of sewer Length of sewer Grade of sewer Hydraulic mean depth of sewer Roughness of sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effect of increasing diameter of sewer on the self cleansing velocity is Fluctuating To increase it Nil To decrease it Fluctuating To increase it Nil To decrease it ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of Alteration of pressure filters is In between the filtration rate of slow sand filters and rapid sand filters Less than that of slow sand filters Equal to that of slow sand filters Greater than that of rapid sand filters In between the filtration rate of slow sand filters and rapid sand filters Less than that of slow sand filters Equal to that of slow sand filters Greater than that of rapid sand filters ANSWER DOWNLOAD EXAMIANS APP
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