problem 1:

prepare down a critical note on the dissimilar techniques accessible for eliminating dross throughout melting of Aluminium alloys.

problem 2:

prepare down the ideal theoretical shape of the riser. Illustrate your answer in detail with the appropriate sketch.

problem 3:

What factors resolve riser adequacy? What factors determine riser economy?

problem 4:

Illustrate various welding procedures which can be employed for repair of castings.

problem 5:

Provide instances of the typical products of following processes: Precision casting, Die casting, Shell moulding.

problem 6:

prepare down the merits and demerits of carbon di-oxide moulding.

problem 7:

What causes surface shrinkage at the internal angles in the castings? How it can be eradicated?

problem 8:

What do you understand by the term inter dendritic shrinkage and why does it take place?