Indian type water closet is used in squatting position while European type water closet cannot be conveniently used in s…

The diameter of main service pipe may vary from _______

Which of the following is not a component of the plumbing drainage system?

The pedestal type European water closet is also known as ____

The single stack system if effective only in the case when the traps are filled with water seal of depth not less than _…

Which of the following statements regarding systems of plumbing for drainage of buildings is not correct?

Septic action is produced by the septic tank by ______

The outlet pipe in the septic tank is kept about _____ lower than the inlet pipe.