WorksheetsTypes of Glass and Their Properties
Total questions: 20
Worksheet time: 10mins
Why is sodium carbonate considered undesirable in some glass applications?
It makes the glass water soluble
It increases the glass's thermal resistance
It enhances the glass's clarity
It reduces the glass's weight
What is the most likely reason soda-lime glass is used in civil glazing panels?
It is inexpensive and suitable for general-purpose glazing
It has a high resistance to thermal shock
It is completely shatterproof
It provides excellent sound insulation
What advantage does borosilicate glass provide when used in rail infrastructure located in coastal environments?
High thermal conductivity
Resistance to salt corrosion and thermal cycling
Low density and weight
Increased electrical conductivity
Which of the following best explains why soda-lime glass is not used for aircraft windscreens?
It has poor resistance to temperature and pressure changes
It is too heavy for aircraft use
It is prone to shattering on impact
It is too expensive to manufacture
What makes borosilicate glass suitable for laboratory glassware?
High thermal conductivity
Low thermal expansion
High fragility
Low chemical resistance
In the aeronautical industry, borosilicate glass is used for cockpit instrumentation covers because it:
Is lightweight and easy to mold
Maintains dimensional stability under thermal stress
Is highly resistant to scratches
Can withstand extreme pressure changes
Which of the following glasses is best suited for cookware that must go from freezer to oven?
Tempered glass
Borosilicate glass
Acrylic glass
Soda-lime glass
Which glass type is best for resisting thermal shock?
Borosilicate glass
Soda-lime glass
Lead glass
Tempered glass
Which glass has the lowest thermal expansion coefficient and is therefore most suitable for sudden temperature changes?
Borosilicate glass
Soda-lime glass
Lead glass
Tempered glass
Which glass has the greatest 'sparkle'?
Crystal glass
Lead glass
Plastic glass
Tempered glass
Which glass has the highest proportion of silica by weight among the three types listed in the syllabus?
Soda-lime glass
Borosilicate glass
Lead glass
Tempered glass
Which type of glass is most commonly used in the manufacture of windows and bottles?
Soda-lime glass
Borosilicate glass
Lead glass
Tempered glass
What optical property is significantly increased in lead glass compared to soda-lime glass?
Refractive index
Absorbance
Transmittance
Reflectivity
What is a key structural disadvantage of lead glass despite its optical properties?
High density and weight
Brittleness and poor thermal shock resistance
Excellent thermal conductivity
Low refractive index
What distinguishes Pyrex glass from standard soda-lime glass?
Greater resistance to thermal shock
Lower cost of production
Higher density
Increased brittleness
Which property of pure silica glass makes it ideal for optical fibres?
Does not absorb UV light
High thermal conductivity
Low refractive index
High tensile strength
Which additive in soda-lime glass improves stability and resistance to chemical attack?
Sodium carbonate
Calcium oxide
Magnesium sulfate
Potassium chloride
Which of the following is NOT a typical use of soda-lime glass?
Telescopes
Drinking glasses
Windows
Laboratory glassware
What is the primary reason sodium carbonate is added to soda-lime glass?
Increase durability
Reduce melting point
Enhance color
Improve transparency
Which mechanical property of glass makes it most vulnerable to impact loading?
Ductility
Malleability
Brittleness
Toughness
