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WorksheetsAQA PD: Material applications and properties
Total questions: 50
Worksheet time: 50mins
Hardness is ....
the ability to absorb impact without force
the ability to resist abrasive wear
the ability to be permanently deformed
the ability to withstand deformation by compression
What is Fusibility?
The ability to join well with other materials
The ability to convert from a solid to a liquid state
The ability to withstand environmental attack
A form of electrical conductivity
Select the correct suitability statements for the product shown
Lightweight making it easier to carry
Ferrous material meaning it will not rust
Can be finished with paint for added protection and aesthetic
Malleable
Why is Aluminium used for a drinks can?
It is silver so easy to print onto
It is malleable
It is food safe
It degrades quicker over time
What makes softwoods like pine more suitable to use than hardwoods
Pale in colour
They grow faster
Denser grained so stronger
They are lighter
What is an alloy?
A mixture of two or more materials
A metal coated with another metal
A mixture of two or more metals
A non ferrous and/or a ferrous metal
Why might PET be used to make a drinks bottle?
It’s is recyclable
It is made from sustainable polymers
Impermeable to carbon dioxide
Tough wearing
A Smart Material is......
A material that learns How to adapt its properties over time
A material that can adapt it’s properties based on the consumer using it
A material that changes properties based on the environment
What test might the diagram be showing?
Charpy
Rockwell
Tensile
Toughness
Which of the following NDT’s would be best for finding a crack in an PCB?
Ultrasonic testing
X-ray testing
Electrical testing
Thermal conductivity
Which product might be best suited for using a thermochromic material?
Where might you see metal effect card?
Gift boxes
Magazine’s
Hardback book
High quality business cards
If paper has a low GSM what does it mean?
It has a very few contaminants in it making it bright white
It is more lightweight
It can be easier to bend
It can be easier to cut and score
Polylactide is?
A biodegradable polymer
An additive used to help with biodegradability
A polymer made from combining multiple polymer types when recycling
The name given to polymer as it is melted into molten form
What does ‘Air seasoning’ mean?
Wood is dried outdoors and seasoned with preservatives to protect from decay
Wood is dried using an oven connecting warm air around the wood drying faster
Wood is dried using an oven after being seasoned with preservatives
Wood is left to dry outdoors slowly
Kiln seasoning of wood is?
More expensive than air drying
Is a faster drying method
Suitable for outdoor furniture manufacture
Good at increasing strength and stability
Improves the woods immunity to decay and rot
What does PSE mean when talking about woods?
Planed square equally
Planed square edge
Planed straight edge
Planed straight equally
What does PAR mean when talking about woods?
Planed all round
Planed all rough
Planed along round
Planed along rough
Why might manufactured boards be used over hard/softwood?
uniformed strength across the board
It has better properties
It is available in larger sheet forms
It is better aesthetics
Which metal might be used for to make ‘nuts and bolts’
Medium carbon steel
Low carbon steel
High speed steel
Tin
What metal might be used to ‘Galvanise’ steel
Tin
Silver
Copper
Zinc
Aluminium
What material is the sink made from?
Steel
Aluminium
Medium carbon steel
Stainless steel
Which of the following are stocks forms of metal?
Sheet
Plate
Bar
Tube
Structural
Polymers are susceptible to?
Water damage
UV damage
Cold temperatures
Chemicals
Which polymer might the product above be made from?
LDPE (Low Density Polyethylene)
HDPE (High Density Polyethylene)
HIPS (High Impact Polystyrene)
PMMA (Polymethyl-methacrylate)
What material might the following product be made from?
Nylon
PVC
Polyester resin
Polypropylene
When might a thermoset polymer be used?
When the product may be exposed to heat
When the product may be exposed to electricity
When the product is exposed to chemicals
When the product needs to be lightweight
What property makes elastomers particularly useful?
Has excellent abrasion resistance
Can become molten at lower temperatures
Ability to be stretched into shape without heat and keeps this shape
Ability to stretch many times and return to original shape
Biodegradable polymers are split into what two main categories?
Natural
Sustainable
Synthetic
Man-made
Which of the following are natural bio-polymers made from?
Wood pulp
Cellulose
Starch
Flour
Polysaccharides
Polylactic acid (PLA) is......
Natural bio-polymer
Synthetic bio-polymer
Oxy-degradable polymers are
Polymers that degrade in sunlight
Polymers that degrade in water
Polymers that degrade in air
Polymers that degrade once used
Photodegradable polymers break down over time when exposed to UV light, which of the following is a good example of how it is used?
In agriculture to prevent weed growth
In agriculture to aid growth by trapping heat
In mass produced plastic products such as toothbrushes
In single use plastic products such as cutlery
Which of the following are possible issues when using bio-degradable polymers?
They can be confused with bio-polymers leading to incorrect choices being made
It produces methane gas when breaking down
They can't be recycled
It can leave behind toxic chemicals
What is the difference between Bio-polymers and Bio-degradable polymers?
Bio polymers are made from natural and renewable resources
Bio-degradable polymers are safer than bio polymers
Bio polymers will degrade faster than Bio-degradable polymers
Bio-degradable polymers are easier to manufacture
Which of the following is a good example of when a corn starch polymer might be used in a product
Medical supplies
Straws
Medical screws
Bin bags
Which of the following products uses a composite material?
Which of the following best describes GRP (Glass Reinforced Polymer)
Lightweight, high thermal expansion, ductile, tough, hard
Lightweight, corrosion resistant, low thermal expansion, compressive strength
Good aesthetics, fire resistant, corrosion resistant, good compressive strength
High thermal expansion, heavy, corrosion resistant, good compressive strength
What is Aluminium composite board?
Aluminium sheets layered together
Aluminium sheets with a polyethylene centre
Aluminium sheets with a different metal sheet layered inbetween
Aluminium sheets with a polystyrene centre
What is PLA made from?
Crops such as grass or tree bark
Resin from tree sap
Crops such as corn or sugar cane
resin by product from sugar manufacture
What does SMA stand for?
Shape Metal Alloy
Shape Memory Alloy
Shape Metal Aluminium
Shape Memory Aluminium
Which of the following are good examples of Nitinol use in a product?
Dental braces
Welding goggles
Plane wing flaps
Airbag sensor
Which Smart Material best fits the description of 'colour changes in UV light'
Thermochromatic pigments
Phosphorescent pigment
Photochromic pigment
Electroluminescent wire
What is Polymorph used for?
Modelling
Repairing polymer cracks
Polymer adhesive
Jewellery production
If you hit a piece of metal in a vice at 90degrees and saw cracks on the outside what test would you be performing?
Ductility
Malleability
Tensile
Hardness
Which of the following is a food safe compliant material?
Moulded paper pulp
Corrugated card
GRP
Bleached card
What workshop test would you use for a hammer and a centre punch?
Malleability
Ductility
Corrosion
Hardness
What are the 3 main classifications of polymers?
Elastomers
Rubber
Thermo
Thermoset
Bio-degradeable
Which of the following materials could be used to made bearings?
Epoxy resin
Acrylic
Nylon
Aluminium
Die steel
What material is Mr Parkin's watch bezel made from?
Steel
Aluminium
Tungsten
Stainless steel
