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WorksheetsUnit 01. Materials. Basic Quiz
Total questions: 30
Worksheet time: 15mins
In what type of products is melamine used as a flame retardant fiber?
Cooking utensils
Welding gloves
Plastic bottles
Paper bags
Why is epoxy resin used in the aerospace industry?
It is cheaper than other resins.
It is resistant to moisture and fatigue.
It is biodegradable.
It is non-toxic.
Urea formaldehyde is commonly used as a binding agent for which material?
Metal
Plywood
Glass
Rubber
What are thermoplastics easy to do?
Melt and dissolve
Cut, shape, and finish
Burn and evaporate
Freeze and solidify
In what form is acrylic available?
Only in transparent form
Only in opaque form
In a wide variety of colours and as a transparent plastic
Only in black and white
What is one of the reasons acrylic is cost effective?
It is difficult to shape
It is easy to cut, shape, and finish
It requires special tools for cutting
It is heavier than other materials
What is one reason rigid polystyrene is used in the food industry?
It is biodegradable.
It is food hygienic.
It is heat resistant.
It is magnetic.
What property of nylon makes it useful for engine components?
Its color
Its resilience to heat
Its flexibility
Its transparency
Which of the following is a characteristic of trees as mentioned in the material?
Trees are non-renewable.
Trees are difficult to grow.
Trees are a natural resource.
Trees are available in one group.
What are the two groups of wood mentioned in the material?
Hardwood and Softwood
Hardwood and Metal
Softwood and Plastic
Metal and Plastic
Which hardwood is known for its reddish-brown color and is used for cabinets and furniture?
Beech
Oak
Mahogany
Elm
What is a characteristic of beech wood?
Reddish-brown color
Smooth texture and straight grain
Interlocking grain
Light brown color
Which hardwood is known for resisting splitting and decay?
Beech
Oak
Elm
Mahogany
What is the typical maturity age for hardwood trees?
50 years
100 years
150 years
200 years
Which hardwood is used for making musical instruments?
Elm
Beech
Mahogany
Oak
What is a characteristic of oak wood?
Pale, pinky cream color
Light, reddish-brown color
Rich, light brown with straight grain
Reddish-brown with straight grain
What is a notable property of mahogany wood?
Resists splitting and decay
Machines and polishes well
Non-toxic
Heavy and strong
Which hardwood is used for making staircases?
Elm
Beech
Oak
Mahogany
What is a notable feature of Parana Pine?
It is knotty
It is lightweight
It has a straight grain and is almost knot-free
It is pale yellow with brown streaks
Which softwood is described as fairly strong and stable but knotty?
Cedar
Redwood
Pine
Parana Pine
Which softwood is described as hard and more expensive?
Cedar
Pine
Parana Pine
Redwood
What is a characteristic of Redwood in terms of appearance?
Pale yellow with brown streaks
Fairly strong and stable
Hard and expensive
Lightweight and smooth
What is a characteristic of Pine in terms of color?
Dark brown
Pale yellow with brown streaks
Light green
Deep red
Which softwood is used for patio furniture?
Cedar
Pine
Redwood
Parana Pine
What is one advantage of manmade boards compared to natural boards?
They have a grain structure.
They are more prone to defects.
They are not prone to humidity.
They are smaller in size.
Which material is described as relatively cheap and easy to work with?
MDF
Chipboard
Plywood
Metal sheets
What is plywood primarily made of?
Solid wood blocks
Odd numbers of thin layers called veneers
Metal sheets
Plastic panels
What are alloys?
Pure metals
Mixtures of metals and other elements
Non-metallic compounds
Single-element substances
Why is carbon steel used for lathe cutting tools?
It is lightweight.
It is resistant to frictional heat.
It is inexpensive.
It is easy to shape.
What is a disadvantage of using mild steel?
It is expensive.
It is difficult to shape.
It can rust.
It is non-magnetic.
