state gov Maharashtra Town Planning Assistant (TPA) Test Series 2024 Irrigation Engineering Design of Canals
Lacey’s regime equation for longitudinal slope, ‘S’ of canal is given by (Q = discharge, f = Lacey’s factor and R = Hydraulic mean radius):-
1
S = f3/2/8980 R1/2
2
S = f5/3/8990 R1/2
3
S = f5/3/3340 Q1/6
4
None of these