Environmental Engineering Select the correct relationship between porosity (N), specific yield (y) and specific retention (R) y = N + R R > (N + y) N = y + R R = N + y y = N + R R > (N + y) N = y + R R = N + y ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most common cause of acidity in water is Oxygen Carbon dioxide Hydrogen Nitrogen Oxygen Carbon dioxide Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effect of increasing diameter of sewer on the self cleansing velocity is Nil To increase it Fluctuating To decrease it Nil To increase it Fluctuating To decrease it ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of cement concrete sewers is Less strength Less life Difficulty in transportation due to heavy weight Difficulty in construction Less strength Less life Difficulty in transportation due to heavy weight Difficulty in construction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The gas from sludge digestion tank is mainly composed of Carbon dioxide Hydrogen sulphide Nitrogen Methane Carbon dioxide Hydrogen sulphide Nitrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The working conditions in imhoff tanks are anaerobic in lower compartment and aerobic in upper compartment Aerobic in lower compartment and anaerobic in upper compartment Aerobic only Anaerobic only anaerobic in lower compartment and aerobic in upper compartment Aerobic in lower compartment and anaerobic in upper compartment Aerobic only Anaerobic only ANSWER DOWNLOAD EXAMIANS APP