Question

Describe the drawbacks to having a riser that is (a) too large and (b) too small.
3.

Answer 1

Answer:

The drawbacks to having too small a riser are mainly associated with defects in the casting, either due to insufficient feeding of liquid metal to compensate for solidification shrinkage, and the development of shrinkage pores because the solidification front is not uniform.

Answer 2

If the riser is too small or too large in size then both have drawbacks in the system.

Explanation:

• the Riser is too small then the amount of metal that had been casted would be lesser than that desired. As a result of this there would be decrease in the production of the system. If the amount of Riser is increase

• Then there would not be uniform distribution of the substances to the metal and the adequate amount and the quality of the production will be hampered.

• As a result of the Riser is too small to large in size both have  problems.

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An essay on riser. Brainly.in

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