WorksheetsGLASS_QUIZIZZ_WEEK8
Total questions: 23
Worksheet time: 12mins
Mixture of sand, silica, soda ash, lime is also known as..
Frit
Cullet
20% of waste glass is also known as..
Frit
Cullet
Name the 4 stages of glass manufacturing.
What is the temperature inside the regenerative furnace when the frit and cullet are heated? (in degree celsius)
2000
1050
1500
1000
What happens during melting process?
Waste broken glass (cullet) along with frit, usually in the proportions of 80% frit and 20% cullet are heated in a regenerative furnace tank at 1500 degree celsius.
Molten glass will go through rolled process or float process at a temperature of between 650 - 1050 degree celsius.
Glass ribbon will pass on a slow moving conveyor belt through the annealing lehr.
Cutting, grinding, polishing, treatment, packaging, stacking.
Which one of these occurs during forming process?
Waste broken glass (cullet) along with frit, usually in the proportions of 80% frit and 20% cullet are heated in a regenerative furnace tank at 1500 degree celsius.
Molten glass will go through rolled process or float process in a temperature of between 650 - 1050 degree celsius.
Glass ribbon will pass on a slow moving conveyor belt through the annealing lehr.
Cutting, grinding, polishing, treatment, packaging, stacking.
Which one of these happens during cooling process?
Waste broken glass (cullet) along with frit, usually in the proportions of 80% frit and 20% cullet are heated in a regenerative furnace tank at 1500 degree celsius.
Molten glass will go through rolled process or float process in a temperature of between 650 - 1050 degree celsius.
Glass ribbon will pass on a slow moving conveyor belt through the annealing lehr.
Cutting, grinding, polishing, treatment, packaging, stacking.
What is included in the finishing process?
Waste broken glass (cullet) along with frit, usually in the proportions of 80% frit and 20% cullet are heated in a regenerative furnace tank at 1500 degree celsius.
Molten glass will go through rolled process or float process in a temperature of between 650 - 1050 degree celsius.
Glass ribbon will pass on a slow moving conveyor belt through the annealing lehr.
Cutting, grinding, polishing, treatment, packaging, stacking.
Pick the right sequence of glass manufacturing.
Forming - Melting - Cooling - Finishing
Finishing - Melting - Cooling - Forming
Melting - Cooling - Forming - Finishing
Melting - Forming - Cooling - Finishing
Which forming process does the diagram describe?
Rolled process
Sheet process
Float process
How do we control the thickness of the glass in rolled process?
Which of these forming process is suitable to be adopted in manufacturing the type of glass shown?
Rolled process
Wired-glass process
Sheet process
How does the rough texture of this type pf glass is achieved?
By engraving bottom roller with pattern.
By engraving top roller with pattern.
By engraving bottom and top rollers with pattern.
(a) rollers extract heat from glass to fix the pattern and to prevent glass sticking to rollers.
(a) process is similar to the rolled process.
In wired-glass process, (a) is fed continuously from rolls mounted above the machine.
In wired-glass process, the final ribbon is supported by water-cooled steel rollers into the (a) .
The glass shown is a product of _____________ process.
rolled
float
sheet
wired-glass
"Produce fire-finish sheet of glass with perfect flatness." The statement refers to..
Float process
Sheet process
Wired-glass process
Rolled process
In float process, (a) keeps the liquid tin very flat.
In float process, molten glass will float and spread on the surface of the (a) , forming a flat surface
As the ribbon of glass passed through the float bath, the heat is ____________ until the glass is sufficiently hard to be fed on to the annealing lehr.
reduced
increased
maintained
What does the diagram show?
Float process
Sheet process
Wired-glass process
Rolled process
