The porosity of sediments in sewer pipes, is usually taken as___________________?

Related Mcqs:

The sewer which received discharge from two or more main sewers, is known as_______________?

A. A trunk sewer B. An outfall sewer C. A main sewer D. An intercepting sewer...

Pick up the correct statement from the following?

A. Hydrogen sulphide gas in excess, may cause corrosion of concrete sewers B. 4 ppm of Dissolved Oxygen (D.O.) is ensured before discharging the treated sewage in river C. Solubility of oxygen in sewage is 95% of that of distilled water D. All the above...

The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is___________________?

A. 1.5 B. 2.0 C. 3.0 D. 4.0...

The underground sewers are more subjected to________________?

A. Tensile force B. Compressive force C. Bending force D. Shearing force...

The ratio of design discharge to the surface area of a sedimentation tank is called____________________?

A. Surface loading B. Overflow rate C. Overflow velocity D. All of these...