Schedule number of a pipe, which is a measure of its wall thickness, is given by ________________?
A. 1000 P’/S
B. 100 P’/S
C. 1000 S/P’
D. 10000 P’/S
A. 1000 P’/S
B. 100 P’/S
C. 1000 S/P’
D. 10000 P’/S