Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Copper sulphate Sodium permanganate Lime Sulphuric acid Copper sulphate Sodium permanganate Lime Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Hardy cross method of analysis of distribution system (i) Involves successive trials (ii) Takes economic aspects into account (iii) Is time consuming (i) and (iii) All are correct (i) and (ii) Only (i) (i) and (iii) All are correct (i) and (ii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum discharge of a tube well is about 50 liters/sec 5 liters/sec 500 liters/sec 1000 liters/sec 50 liters/sec 5 liters/sec 500 liters/sec 1000 liters/sec 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 House sewer Main sewer Sub-main sewer Lateral sewer House sewer Main sewer Sub-main sewer Lateral sewer 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 BOD > COD > TOD COD > BOD > TOD TOD > BOD > COD TOD > COD > BOD BOD > COD > TOD COD > BOD > TOD TOD > BOD > COD TOD > COD > BOD ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The gas from sludge digestion tank is mainly composed of Nitrogen Carbon dioxide Hydrogen sulphide Methane Nitrogen Carbon dioxide Hydrogen sulphide Methane ANSWER DOWNLOAD EXAMIANS APP