Borosilicate glass bottles are processed into bottles using press and blow method shown in Figure 6(a). By referring to Figure 6(b), i. State the suitable temperature range for making glass bottles and justify the answer. ii. Discuss the process to relieve thermal stresses the glass bottles using Figure 6(b). iii. Briefly discuss the consequence if the process in (ii) is not performed on the glass bottles.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Problem 1.1MA
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Question
(a)
Borosilicate glass bottles are processed into bottles using press and blow method shown
Temperature ("F)
in Figure 6(a). By referring to Figure 6(b),
400
800
1200
1600 2000 2400 2800 3200
1018
1016
Borosilicate
i.
State the suitable temperature range for making glass bottles and justify the
glass
96% silica
Fused
1016
glass
silica
1014
Strain point
answer.
1014
1012
Annealing point
1012
1010
H1010
ii.
Discuss the process to relieve thermal stresses the glass bottles using Figure 6(b).
10
Softening point
10
106
Working range
105
10
i1i.
Briefly discuss the consequence if the process in (ii) is not performed on the glass
Working point
10
10
bottles.
Melting point
102
Soda-lime glass
200
400
600
800
1000 1200 1400 1600 1800
Temperature ("C)
iv.
State THREE (3) reasons why glass would be the best material for the glass
(a)
(b)
bottles?
Figure 6. (a) Press and blow method and (b) temperature dependence of viscosity for
various types of glasses
Viscosity (Pa-s)
Viscosity (P)
Transcribed Image Text:(a) Borosilicate glass bottles are processed into bottles using press and blow method shown Temperature ("F) in Figure 6(a). By referring to Figure 6(b), 400 800 1200 1600 2000 2400 2800 3200 1018 1016 Borosilicate i. State the suitable temperature range for making glass bottles and justify the glass 96% silica Fused 1016 glass silica 1014 Strain point answer. 1014 1012 Annealing point 1012 1010 H1010 ii. Discuss the process to relieve thermal stresses the glass bottles using Figure 6(b). 10 Softening point 10 106 Working range 105 10 i1i. Briefly discuss the consequence if the process in (ii) is not performed on the glass Working point 10 10 bottles. Melting point 102 Soda-lime glass 200 400 600 800 1000 1200 1400 1600 1800 Temperature ("C) iv. State THREE (3) reasons why glass would be the best material for the glass (a) (b) bottles? Figure 6. (a) Press and blow method and (b) temperature dependence of viscosity for various types of glasses Viscosity (Pa-s) Viscosity (P)
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