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WorksheetsMetals and Alloys
Total questions: 10
Worksheet time: 5mins
When selecting materials for constructing a bridge, what is the main difference to consider between ferrous and non-ferrous metals?
Non-ferrous metals cannot be recycled.
Non-ferrous metals are always magnetic.
Ferrous metals contain iron, non-ferrous do not.
Ferrous metals are lighter than non-ferrous metals.
Imagine you're selecting materials for outdoor furniture that needs to withstand various weather conditions without rusting. Which metal would you choose for its ability to resist rust and stains?
Copper
Aluminium
Mild Steel
Stainless Steel
Which of the following is a property of lead?
High conductivity
Soft and heavy
High tensile strength
Lightweight
Why is copper commonly used in household electrical wiring?
Malleability
Ductility and conductivity
Brittleness
Resistance to rust
During a science fair, a group of students presented a project on metals and their compositions. They displayed various samples, including Brass, Lead, Wrought Iron, and Stainless Steel. Which of these samples is not an alloy?
Brass
Lead
Wrought Iron
Stainless Steel
What is the main use of wrought iron?
Batteries
Aircraft
Ornamental gates and railings
Cutlery
Imagine you are an engineer tasked with designing a new line of commercial airplanes. Which metal would you primarily choose for the aircraft's structure due to its light weight?
Lead
Aluminium
Copper
Silver
Why do engineers prefer using tube steel sections over solid steel sections for constructing a bridge?
Reduced weight
Better aesthetic appeal
Increased weight
Higher cost
A craftsman is working on a new musical instrument and needs a durable yet malleable metal. He decides to create an alloy by mixing copper with another metal to produce brass. Which metal should he mix with copper?
Zinc
Nickel
Chromium
Iron
Why is mild steel a common choice for manufacturing school furniture?
Non-conductivity
Lightweight
Ability to resist rust
High tensile strength
