Mechanical Engineering - Workshop Technology - Discussion
Discussion Forum : Workshop Technology - Section 1 (Q.No. 31)
31.
The purpose of a riser is to
Discussion:
13 comments Page 2 of 2.
Sunil maurya said:
6 years ago
A riser, also known as a feeder it is a reservoir built into a metal casting mould to prevent cavities due to shrinkage. Most metals are less dense as a liquid than as a solid so castings shrink upon cooling, which can leave a void at the last point to solidify.
Sakthimurugan said:
6 years ago
It act as a reservoir.
Salahuddin said:
5 years ago
Both B and C are correct.
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