Metal and Wood Engineering: Examination Revision for JSS 2 Students
Get answers to common questions about metal and wood engineering in simple terms suitable for students in junior secondary school. Learn about types of metals, wood properties, tools used, safety precautions, and more!
Metal and Wood Engineering: FAQs for Students
- What is metal engineering?
- Metal engineering involves working with metals to create useful products and structures.
- What is wood engineering?
- Wood engineering is the process of working with wood to build objects like furniture and houses.
- What are some examples of metal objects?
- Some examples of metal objects include nails, screws, and metal pipes.
- What are some examples of wood objects?
- Examples of wood objects include tables, chairs, and wooden doors.
- What are the different types of metals?
- Some types of metals include iron, steel, aluminum, and copper.
- What are the different types of wood?
- Types of wood include hardwoods like oak and softwoods like pine.
- How are metals and wood used in construction?
- Metals are used for structural support, while wood is used for framing and finishing.
- What tools are used in metal engineering?
- Tools used in metal engineering include hammers, drills, and welding machines.
- What tools are used in wood engineering?
- Tools used in wood engineering include saws, chisels, and sanders.
- What is the difference between ferrous and non-ferrous metals?
- Ferrous metals contain iron, while non-ferrous metals do not.
- How do you cut metal?
- Metal can be cut using saws, shears, or laser cutting machines.
- How do you cut wood?
- Wood can be cut using saws, such as hand saws or power saws.
- What are the properties of metals?
- Properties of metals include conductivity, malleability, and ductility.
- What are the properties of wood?
- Properties of wood include strength, flexibility, and grain pattern.
- How do you join metals together?
- Metals can be joined together using welding, soldering, or riveting.
- How do you join wood together?
- Wood can be joined together using glue, nails, or screws.
- What are the advantages of using metal in construction?
- Metal is strong, durable, and resistant to fire and pests.
- What are the advantages of using wood in construction?
- Wood is lightweight, renewable, and has natural insulation properties.
- What are the disadvantages of using metal in construction?
- Metal can corrode, rust, and conduct electricity.
- What are the disadvantages of using wood in construction?
- Wood can rot, warp, and be damaged by insects.
- How is metal recycled?
- Metal is recycled by melting it down and reshaping it into new objects.
- How is wood recycled?
- Wood can be recycled by grinding it into wood chips or reusing it in other products.
- What are some safety precautions when working with metal?
- Safety precautions when working with metal include wearing gloves, goggles, and ear protection.
- What are some safety precautions when working with wood?
- Safety precautions when working with wood include wearing safety glasses, using guards on machinery, and keeping work areas clean.
- How do you protect metal from rust?
- Metal can be protected from rust by applying paint, coatings, or rust inhibitors.
- How do you protect wood from rot?
- Wood can be protected from rot by treating it with preservatives or keeping it dry.
- What is the difference between hardwood and softwood?
- Hardwoods come from deciduous trees, while softwoods come from coniferous trees.
- What is a metal alloy?
- A metal alloy is a mixture of two or more metals, or a metal combined with a non-metal.
- What is the difference between a metal and a metal alloy?
- A metal is an element, while a metal alloy is a mixture of two or more metals or a metal combined with a non-metal.
- What is plywood?
- Plywood is a type of engineered wood made from thin layers of wood veneer glued together.
- What is the difference between plywood and solid wood?
- Plywood is made from layers of wood veneer, while solid wood is made from a single piece of wood.
- What is galvanized metal?
- Galvanized metal is metal that has been coated with a layer of zinc to protect it from corrosion.
- What is the difference between wrought iron and cast iron?
- Wrought iron is a type of iron with a low carbon content, while cast iron is a type of iron with a higher carbon content.
- What is particleboard?
- Particleboard is a type of engineered wood made from wood chips or particles bonded together with resin.
- What is the difference between particleboard and plywood?
- Particleboard is made from wood particles, while plywood is made from thin layers of wood veneer.
- What is an alloy wheel?
- An alloy wheel is a wheel made from a mixture of metals, usually aluminum or magnesium.
- What is the difference between a ferrous metal and a non-ferrous metal?
- A ferrous metal contains iron, while a non-ferrous metal does not contain iron.
- What is the difference between a nail and a screw?
- A nail has a smooth shaft and is driven into wood, while a screw has threads and is twisted into wood.
- What is a wood joint?
- A wood joint is a connection between two pieces of wood, often made using glue, nails, or screws.
- What is a metal fabrication?
- Metal fabrication is the process of cutting, bending, and assembling metal to create a finished product.
- What is the difference between welding and soldering?
- Welding joins metal pieces together by melting them, while soldering joins metal pieces together using a lower temperature solder.
- What is a CNC machine?
- A CNC (Computer Numerical Control) machine is a machine that uses computer programming to control its operations, such as cutting or drilling.
- What is a bandsaw?
- A bandsaw is a power saw with a long, continuous blade stretched between two wheels, used for cutting wood or metal.
- What is a router?
- A router is a power tool used for hollowing out an area in hard materials like wood or plastic.
- What is the difference between a hardwood and a softwood?
- Hardwoods come from deciduous trees, while softwoods come from coniferous trees.
- What is the difference between a hand saw and a power saw?
- A hand saw is operated manually, while a power saw is operated with electricity or battery power.
- What is wood seasoning?
- Wood seasoning is the process of drying wood to remove moisture before it is used in construction or woodworking.
- What is metal casting?
- Metal casting is the process of pouring molten metal into a mold to create a desired shape as it cools and solidifies.
- What is wood carving?
- Wood carving is the process of shaping wood using cutting tools like knives or chisels to create sculptures or decorative objects.
- What is metal plating?
- Metal plating is the process of applying a thin layer of metal to the surface of another metal object to improve its appearance or properties.