Waste Water Engineering If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains Oxygen Carbon dioxide Hydrogen sulphide Methane Oxygen Carbon dioxide Hydrogen sulphide Methane ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Cement concrete sewers are only suitable if non-scouring velocity is between 4.5 to 5.5 m/sec 2.5 to 3.0 m/sec 3.0 to 4.0 m/sec 3.5 to 4.5 m/sec 4.5 to 5.5 m/sec 2.5 to 3.0 m/sec 3.0 to 4.0 m/sec 3.5 to 4.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the grit in grit chambers is 4.5 million litres per day, its cleaning is done Mechanically Manually Electrically Hydraulically Mechanically Manually Electrically Hydraulically ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is 2.65 2.25 2.55 2.5 2.65 2.25 2.55 2.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The asbestos cement sewers are Light in weight Susceptible to corrosion by sulphuric acid All of these Not structurally strong to bear large compressive stress Light in weight Susceptible to corrosion by sulphuric acid All of these Not structurally strong to bear large compressive stress ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the velocity of flow should not be More than the self-cleansing velocity Less than 10 m/sec More than 20 m/sec Less than the self-cleansing velocity More than the self-cleansing velocity Less than 10 m/sec More than 20 m/sec Less than the self-cleansing velocity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS