31. |
The temperature of the glass melting furnace is around?
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Answer:
Option (b) |
32. |
What is the temperature during the formation of the gob?
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Answer:
Option (a) |
33. |
Which of the following processes is absent in the glass manufacturing process?
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Answer:
Option (a) |
34. |
Which of the following is not a process involved in glass production?
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Answer:
Option (a) |
35. |
Which operation does the below figure represent?
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Answer:
Option (c) |
36. |
Which forming operation does the below figure represent?
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Answer:
Option (a) |
37. |
Which forming method is used for the production of hollow glasses?
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Answer:
Option (a) |
38. |
Which method of forming cannot be used to produce sheet glass?
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Answer:
Option (d) |
39. |
The process of converting a gob of glass into a bottle or jar is called __________.
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Answer:
Option (c) |
40. |
What is the preform before the formation of the final glass jar called?
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Answer:
Option (d) |