Q$23.$ A suppressed rectangular weir rises from the bottom of the pond to an elevation of $37$ ft $.$ The water is $50$ ft deep, and the weir is $100$ ft long. The flow $(f\frac{t^3}{sec})$ of water over the spillway is most nearly

a$.15600$

b$.31200$

c$.12500$

d$.$ None of the Above

Q$24.$ A concentrated load of $50$ kips moves through the below mentioned truss $($ through the bottom chord$).$ The maximum force $($Kips$)$ in member CD due to moving load is most nearly

a$.37\mathrm{.}50$

b$.50\mathrm{.}0$

c$.93\mathrm{.}75$

d$.$ None of the Above

Q$25.$ A jar test is used to evaluate the efficiency of a coagulation process and allows the plant operator to optimize which of the following parameters?

a$.$ Lime dosage

b$.$ Alum dosage

c$.$ Temperature

d$.$ None of the Above