The diameter of a domestic sewer pipe laid at gradient 1 in 100 is recommended

Q. The diameter of a domestic sewer pipe laid at gradient 1 in 100 is recommended
A. 150 mm
B. 200 mm
C. 100 mm
D. 175 mm
Answer: 150 mm

A. 150 mm
B. 200 mm
C. 100 mm
D. 175 mm
Answer: 150 mm