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Worksheets13DT HL Topic 4.1 4.2
Total questions: 13
Worksheet time: 26mins
Mass, Electrical resistivity and Hardness are all characteristics of what?
Smart Material Properties
Mechanical Properties
Physical Properties
Aesthetic Characteristics
What property of a material determines its ability to return to its original shape after being deformed?
Hardness
Elasticity
Brittleness
Conductivity
Which material property is crucial for resisting forces that attempt to pull it apart?
Tensile strength
Density
Thermal Conductivity
Ductility
Which of the following could be characteristics of a composite?
I. Made up entirely of non-metals
II. Are made from two or more constituent materials
III. Can have different characteristics than their original materials
I and II only
I and III only
II and III only
I, II and III
______ is the phenomenon in which metallic elements other than those of the base metal are intentionally incorporated into the crystal lattice of the base metal.
Alloying
Work hardening
Tempering
Oxidation
Wood recycling is the process of turning waste timber into usable products. Recycling timber is a practice that was popularised in the early 1990s.
Which of the following issues triggered this trend?
Demand for MDF
Deforestation and climate change
Warping of existing wood
Oxidisation resistance
Which of the following are characteristics of man-made timber?
Dimensional stability
Uniformity of properties
Greater availability of product sizes
Lower cost
The presence of impurities in glass produces various colours. Select 3 other characteristics of glass:
Variable opacity
Lack of reactivity
Electrical conductor
Unbreakable
The characteristics of thermoplastics are:
I. Easily fabricated
II. Ductile
III. Can be injected into a mould
I and III
II and III
I and II
I, II and III
Which is a vegetable fibre originating from the plant of the same name?
Wool
Cotton
Linen
Silk
Which synthetic textile is known for its exceptional strength, resistance to wrinkles, and high durability?
Nylon
Rayon
Cotton
Linen
The process of garment assembly remains labour intensive due to the:
Reduction of disposal methods
Varied nature of fabrics
Complexity of assembly processes
Preserving the 'embodied energy'
Kevlar is the registered brand name of an aromatic polyamide polymer fibre. Please select the potential applications of this.
Body armour
Boat Hulls
Sporting goods
Gloves
Ropes
Fibre Optic sheathing
Kayaks
Protective helmets
Equipment panels
Kitchens
Bookcases
Desktops
