Materials - Metal - JSS1 Basic technology Past Questions and Answers - page 2
What is a common application of metals in manufacturing?
Making glass windows
Producing plastic bottles
Manufacturing machinery and appliances
Creating wooden furniture
What makes metals suitable for electrical wiring and heating systems?
Their transparency
Their low tensile strength
Their conductivity
Their brittleness
Which property of metals allows them to be easily shaped and formed?
Rigidity
Flexibility
Opacity
Malleability
Where are metals commonly used in construction?
In glass windows
I plastic bottles
In building structures and roofing
In wooden furniture
What type of metals are commonly used in construction due to their strength and durability?
Gold and silver
Steel, aluminium and iron
Copper and brass
Platinum and palladium
What are metals valued for in various industries?
Metals are valued for their unique properties such as strength, conductivity, and malleability in various industries. They play crucial roles in construction for building structures and roofing, as well as in manufacturing for producing machinery, tools, and appliances.
What is one common property of metals?
One common property of metals is their high tensile strength, which allows them to withstand large forces without breaking. This property makes metals suitable for structural applications in construction and for manufacturing durable products in various industries.
What makes metals suitable for electrical wiring and heating systems?
Metals are suitable for electrical wiring and heating systems due to their excellent conductivity. They allow electricity and heat to flow efficiently through wires and heating elements, making them essential components in electrical and heating systems.
What is a key characteristic of metals in terms of shaping and forming?
A key characteristic of metals is their malleability, which allows them to be easily shaped and formed into different shapes and structures without losing their properties. This property enables intricate designs and manufacturing processes in various industries.
Where are metals commonly used in construction?
Metals are commonly used in construction for building structures and roofing. Steel, aluminium, and iron are among the most common metals used due to their strength, durability, and corrosion resistance, providing stability and longevity to buildings.