GATE Mechanical 2023 | Question: 15

Question

\begin{tabular}{|l|l|}
\hline Q.25 & $\begin{array}{l}\text { In a metal casting process to manufacture parts, both patterns and moulds provide } \\
\text { shape by dictating where the material should or should not go. Which of the } \\
\text { option(s) given correctly describe(s) the mould and the pattern? }\end{array}$ \\
\hline

• A. & $\begin{array}{l}\text { Mould walls indicate boundaries within which the molten part material is allowed, } \\
  \text { while pattern walls indicate boundaries of regions where mould material is not } \\
  \text { allowed. }\end{array}$ \\
  \hline
• B. & Moulds can be used to make patterns. \\
  \hline
• C. & $\begin{array}{l}\text { Pattern walls indicate boundaries within which the molten part material is } \\
  \text { allowed, while mould walls indicate boundaries of regions where mould material } \\
  \text { is not allowed. }\end{array}$ \\
  \hline
• D. & Patterns can be used to make moulds. \\
  \hline
  \end{tabular}