Question

Structurally weak castings are made using _____________

(a) Loose piece pattern

(b) Sweep Pattern

(c) Skeleton Pattern

(d) Follow board pattern

I got this question in examination.

The origin of the question is Types of Patterns in section Pattern Materials & Moulding Sand Tests of Foundry and Forging

Answer 1

Right choice is (d) Follow board pattern

To elaborate: The follow board pattern is adopted for those castings where there are some portions which are structurally weak and if not supported properly are likely to break under the force of ramming.