Question:
Which sequence of steps are correct for glass manufacturing process?
Which sequence of steps are correct for glass manufacturing process?
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The basic glass manufacturing sequence is batch preparation, melting, shaping, and annealing.
Updated On: May 7, 2026
- Batch, shaping, melting, annealing
- Batch, melting, shaping, annealing
- Annealing, batch, melting, shaping
- Annealing, shaping, Batch, melting
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The Correct Option is B
Solution and Explanation
Glass manufacturing takes place through a sequence of operations.
First, raw materials are selected, weighed, and mixed.
This mixture of raw materials is called:
\[
\text{Batch}.
\]
After batch preparation, the batch is charged into the furnace.
In the furnace, the batch is heated to high temperature until it melts and forms molten glass.
This step is:
\[
\text{Melting}.
\]
After proper melting and refining, the molten glass is formed into the desired shape.
This step is:
\[
\text{Shaping}.
\]
Glass articles develop internal stresses after shaping due to non-uniform cooling.
To remove these stresses, the glass article is cooled slowly in a controlled manner.
This step is called:
\[
\text{Annealing}.
\]
Therefore, the correct sequence is:
\[
\text{Batch} \rightarrow \text{Melting} \rightarrow \text{Shaping} \rightarrow \text{Annealing}.
\]
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