Which of the following is not a type of water closets?

Which of the following is not a characteristic of traps?

In the two-pipe system for the drainage of buildings, the discharge from the water closet is connected to the waste pipe…

The pedestal type European water closet is also known as ____

In a house drainage system, the pipe through which human excreta flows is called ______

Partially ventilated single stack system is the modified form of ______

Which of the following is not a component of plumbing water supply system?

One pipe system is cheaper than the single stack system for the drainage of buildings.