Environmental Engineering Facultative bacteria are able to work in Presence as well as in absence of oxygen Absence of oxygen only Presence of oxygen only Presence of water Presence as well as in absence of oxygen Absence of oxygen only Presence of oxygen only Presence of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effect of increasing diameter of sewer on the self cleansing velocity is To decrease it Nil To increase it Fluctuating To decrease it Nil To increase it Fluctuating ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In chlorination, with the rise in temperature of water, death rate of bacteria Decreases None of these Increases Remains unaffected Decreases None of these Increases Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A sewer that receives the discharge of a number of house sewers is called House sewer Lateral sewer Sub-main sewer Intercepting sewer House sewer Lateral sewer Sub-main sewer Intercepting sewer 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 Lateral sewer House sewer Main sewer Sub-main sewer Lateral sewer House sewer Main sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 24 - 48 hours 1 - 2 year 2 - 3 months 10 - 12 days 24 - 48 hours 1 - 2 year 2 - 3 months 10 - 12 days ANSWER DOWNLOAD EXAMIANS APP