Metals in Construction

• Civil Engineering
• Foundation Degree

Metals in Construction

Quickfire Quiz 1

What is the term used to describe a metal's ability to be stretched or drawn into wires without breaking?

1. Brittleness
2. Hardness
3. Ductility
4. Toughness

What is the property that allows metals to be flattened or compressed into thin sheets?

1. Elasticity
2. Malleability
3. Strength
4. Hardness

True or false: Metals are excellent conductors of both electricity and heat.

1. True
2. False

In the context of metals, what does the term "lustre" refer to?

1. Colour
2. Shiny, reflective appearance when polished
3. Ability to conduct electricity
4. Resistance to heat

Name a metal that is widely used in electrical wiring due to its excellent electrical conductivity.

1. Copper
2. Brass
3. Aluminium
4. Lead

Metals in Construction

Quickfire Quiz 2

What is the term for the regular arrangement of atoms in a metal?

1. Atomic Huddle
2. Atomic Order
3. Crystal Lattice
4. Crystal Meth

Name the three most common crystal structures in metals.

1. HCP, FCC, BCC
2. ABC, XYZ, DEF
3. GHI, JKL, MNO
4. 123, 456, 789

Which crystal structure has the lowest atomic packing factor?

1. BCC
2. FCC
3. HCP
4. DEF

How do dislocations affect the properties of metals?

1. They make metals ductile.
2. They increase metals' toughness.
3. They improve metals' electrical conductivity.
4. They have no effect on metals.

Increasing the number of dislocations in a metal increases its ductility

1. True
2. False

Which type of dislocation involves an extra half plane of atoms in the lattice?

1. Screw Dislocation
2. Linear Dislocation
3. Edge Dislocation
4. Point Dislocation

How does controlling grain size strengthen a metal?

1. By adding more alloying elements
2. By increasing temperature during manufacturing
3. By making the grains larger
4. By making the grains smaller

Apart from crystal structure, what else affects the density of a metal?

1. The shape of the atoms
2. Atomic number of the atoms
3. Number of electrons within the atoms
4. Atomic weight of the atoms