Question

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

(a) Vent pipe

(b) Soil pipe

(c) Rainwater pipe

(d) Waste pipe

Answer 1

Right answer is (b) Soil pipe

To elaborate: In a house drainage system, the pipe through which human excreta flows is called the soil pipe. The size of the soil pipe commonly used in house drainage is 100 mm.