Question 1

Casting is a glassworking process used for

Accepted Answer

A)  high production
B)  low production
C)  medium productionD) A) and C)
E) A) and B)

Question 2

The process used to produce flat plat glass in which molten glass flows onto the surface of molten tin is called which one of the following:

Accepted Answer

A)  casting
B)  Danner process
C)  float process
D)  molten tin process
E)  rollingF) All of the above
G) B) and C) C

Question 3

Centrifugal spraying is used to produce which one of the following:

Accepted Answer

A)  continuous filaments of glass
B)  glass powders
C)  glass wool
D)  thin coatings of glass on the surface of metalE) A) and C)
F) A) and B)

Question 4

Besides helping to preserve the environment, the use of recycled glass as an ingredient of the starting material in glassmaking serves what other useful purpose (one answer) :

Accepted Answer

A)  adds coloring variations to the glass for aesthetic value
B)  makes the glass easier to melt
C)  makes the glass stronger
D)  reduces odors in the plantE) B) and C)
F) C) and D)

Question 5

Tempered glass is used for all but which one of the following products:

Accepted Answer

A)  all-glass doors
B)  automobile windshields
C)  safety glasses
D)  windows for tall buildingsE) B) and D)
F) B) and C)

Question 6

Which one of the following processes or processing steps is not applicable in glassworking:

Accepted Answer

A)  annealing
B)  pressing
C)  quenching
D)  sinteringE) B) and C)
F) All of the above

Question 7

Which one of the following processes is used to produce glass tubing:

Accepted Answer

A)  Danner process
B)  centrifugal casting
C)  pressing
D)  spinningE) B) and C)
F) A) and C)

Question 8

The charge in glassworking is which one of the following:

Accepted Answer

A)  the duration of the melting cycle
B)  the electric energy required to melt the glass
C)  the name given to the melting furnace
D)  the starting materials in meltingE) A) and C)
F) None of the above

Question 9

A lehr is which of the following:

Accepted Answer

A)  a lion's den
B)  a melting furnace
C)  a sintering furnace
D)  an annealing furnace
E)  none of the aboveF) A) and C)
G) A) and B)

Question 10

If a glass part with a wall thickness of 5 mm (0.20 in)  takes 10 minutes to anneal, how much time would a glass part of similar geometry but with a wall thickness of 7.5 mm (0.30 in)  take to anneal (choose the one closest answer) :

Accepted Answer

A)  10 minutes
B)  15 minutes
C)  20 minutes
D)  30 minutesE) None of the above
F) B) and D) C

Question 11

The press -and- blow process is best suited to the production of narrow-necked beverage bottles, while the blow-and-blow process is more appropriate for producing wide-mouthed jars:

Accepted Answer

A) True 
 B)False

Question 12

Typical glass melting temperatures are in which of the following ranges:

Accepted Answer

A)  400  °\degree° C to 500  °\degree° C
B)  900  °\degree° C to 1000  °\degree° C
C)  1500  °\degree° C to 1600  °\degree° C
D)  2000  °\degree° C to 2200  °\degree° C E) A) and B)
F) A) and C)

Question 13

Classifying the sand to be melted into molten glass before shaping is best defined by which one of the following:

Accepted Answer

A)  grouping the grains according to size
B)  mixing the batch to achieve uniform distribution of grain sizes
C)  preheating the batch
D)  sorting the grains according to color
E)  washing the sand particlesF) D) and E)
G) A) and D)

Question 14

Glass spinning is a glassworking process used to produce which of the following types of products:

Accepted Answer

A)  filaments for fiber optics
B)  flat plates
C)  funnel-shaped components
D)  lenses
E)  tubesF) None of the above
G) B) and E)

Question 15

Which one of the following terms refers to the glassy state of a material:

Accepted Answer

A)  crystalline
B)  devitrified
C)  polycrystalline
D)  vitiated
E)  vitreousF) All of the above
G) B) and D) E

Exam 9: Glassworking

Casting is a glassworking process used for

Correct Answer
verified

The process used to produce flat plat glass in which molten glass flows onto the surface of molten tin is called which one of the following:

Correct Answer
verified
C

Centrifugal spraying is used to produce which one of the following:

Correct Answer
verified

Besides helping to preserve the environment, the use of recycled glass as an ingredient of the starting material in glassmaking serves what other useful purpose (one answer) :

Correct Answer
verified

Tempered glass is used for all but which one of the following products:

Correct Answer
verified

Which one of the following processes or processing steps is not applicable in glassworking:

Correct Answer
verified

Which one of the following processes is used to produce glass tubing:

Correct Answer
verified

The charge in glassworking is which one of the following:

Correct Answer
verified

A lehr is which of the following:

Correct Answer
verified

If a glass part with a wall thickness of 5 mm (0.20 in) takes 10 minutes to anneal, how much time would a glass part of similar geometry but with a wall thickness of 7.5 mm (0.30 in) take to anneal (choose the one closest answer) :

Correct Answer
verified
C

The press -and- blow process is best suited to the production of narrow-necked beverage bottles, while the blow-and-blow process is more appropriate for producing wide-mouthed jars:

Correct Answer
verified

Typical glass melting temperatures are in which of the following ranges:

Correct Answer
verified

Classifying the sand to be melted into molten glass before shaping is best defined by which one of the following:

Correct Answer
verified

Glass spinning is a glassworking process used to produce which of the following types of products:

Correct Answer
verified

Which one of the following terms refers to the glassy state of a material:

Correct Answer
verified
E

Exam 9: Glassworking

Casting is a glassworking process used for

Correct AnswerverifiedShow Answer

The process used to produce flat plat glass in which molten glass flows onto the surface of molten tin is called which one of the following:

Correct AnswerverifiedC

Centrifugal spraying is used to produce which one of the following:

Correct AnswerverifiedShow Answer

Besides helping to preserve the environment, the use of recycled glass as an ingredient of the starting material in glassmaking serves what other useful purpose (one answer) :

Correct AnswerverifiedShow Answer

Tempered glass is used for all but which one of the following products:

Correct AnswerverifiedShow Answer

Which one of the following processes or processing steps is not applicable in glassworking:

Correct AnswerverifiedShow Answer

Which one of the following processes is used to produce glass tubing:

Correct AnswerverifiedShow Answer

The charge in glassworking is which one of the following:

Correct AnswerverifiedShow Answer

A lehr is which of the following:

Correct AnswerverifiedShow Answer

If a glass part with a wall thickness of 5 mm (0.20 in) takes 10 minutes to anneal, how much time would a glass part of similar geometry but with a wall thickness of 7.5 mm (0.30 in) take to anneal (choose the one closest answer) :

Correct AnswerverifiedC

The press -and- blow process is best suited to the production of narrow-necked beverage bottles, while the blow-and-blow process is more appropriate for producing wide-mouthed jars:

Correct AnswerverifiedShow Answer

Typical glass melting temperatures are in which of the following ranges:

Correct AnswerverifiedShow Answer

Classifying the sand to be melted into molten glass before shaping is best defined by which one of the following:

Correct AnswerverifiedShow Answer

Glass spinning is a glassworking process used to produce which of the following types of products:

Correct AnswerverifiedShow Answer

Which one of the following terms refers to the glassy state of a material:

Correct AnswerverifiedE

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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C

Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
verified
E