The strength or effectiveness of a water seal is represented by its _____

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

According to the Indian Standard recommendations, a water requirement of ___ per head per day is assumed for residential…

Partially ventilated single stack system is the modified form of ______

According to the Indian Standard code recommendations, the flushing storage capacity for factories and workshops is ____…

Inferential meters can be used for both low and high flows.

In a house drainage system, the pipe which is used to preserve the water seal of traps is called ______

____________ is used to measure flows to domestic buildings.