Environmental Engineering A sewer that receives the discharge of a number of house sewers is called House sewer Intercepting sewer Lateral sewer Sub-main sewer House sewer Intercepting sewer Lateral sewer Sub-main sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is Cast iron Steel Reinforced cement concrete Copper Cast iron Steel Reinforced cement concrete Copper ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is Zero 100 1 Infinite Zero 100 1 Infinite ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process in which the chlorination is done beyond the break point is known as Pre-chlorination Super chlorination Break point chlorination Post chlorination Pre-chlorination Super chlorination Break point chlorination Post chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally More and more More and less Less and more Less and less More and more More and less Less and more Less and less ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of filtered water, which is used for backwashing in rapid sand filters, is about 2 to 4 0.2 to 0.4 0.4 to 1.0 5 to 7 2 to 4 0.2 to 0.4 0.4 to 1.0 5 to 7 ANSWER DOWNLOAD EXAMIANS APP