A. Size of the sewer
B. Shape of the sewer
C. Roughness of sewer surface
D. All the above
Correct Answer: All the above ✔
Last Updated: August 25, 2020
A. Size of the sewer
B. Shape of the sewer
C. Roughness of sewer surface
D. All the above
Correct Answer: All the above ✔
Last Updated: August 25, 2020