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
Answer:B
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