1473. The minimum and maximum diameters of sewers shall preferably be_________________?

A. 15 cm and 100 cm
B. 15 cm and 300 cm
C. 30 cm and 450 cm
D. 60 cm and 300cm
✅ The correct answer is option B.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top