Please i need the solution

a$.$ Sketch the sprue in cope and the pattern with its proper orientation and position in the drag part of the

mold. Indicate the surface of pattern which is on parting line or parting plane.

b$.$ The velocity $(\frac{m}{s})$ of the molten metal flowing through the base of the sprue.

c$.$ The volume rate of flow $(m\frac{3}{s})$ of the molten metal.

d$.$ The time $($seconds$)$ required to fill the mold cavity.