Nahni trap is popularly known as:
AGully trap
BFloor trap
CIntercepting trap
DStrap
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Related Questions:
The function of vent pipe in house drainage system is:
A centrifugal pump is started with its delivery valve kept:
The discharge per unit draw down of a well is known as:
Which of the following is constructed below the street inlet to prevent the flow of grit, sand or debris in the sewer line?
Prevents escape of foul sewer gases from a water closet: