8
৪
১৬
32
A rectangular channel has cross sectional area of 50 m2 If the channel section is to be most economical, calculate the depth. Take Breadth = 10m .
at ultimate stress
per unit volume
at proportional limit
at elastic limit
25
১৫
50
10
Adiabatic only
Isentropic only
Polytropic
a+b