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Question 1

Which engineering field is responsible for preventing erosion?

Answer 1

Coastal Engineer

Question 2

What is added to concrete to reinforce it and provide strength against tensile stress?

Answer 2

Steel reinforcements (rebars)

Question 3

Is wood isotropic or anisotropic?

Answer 3

Anisotropic

Question 4

Name a type of corrosion

Answer 4

Localised Corrosion (Pitting, Crevice Corrosion, Filiform)
Galvanic Corrosion
Environmental Cracking
General Attack Corrosion

Question 5

How is 3D-printed buildings more cost-effective than regular buildings?

Answer 5

Less Workers
Requires less material (additive process)
Cheaper materials because they are have a shorter lifespan

Question 6

What is the relationship between shear and bending?

Answer 6

Local maximum of shear occurs at local minimum of bending, vice versa
Bending is the area under a shear force diagram

Question 7

What are the Life Cycle Stages?

Answer 7

1. Mining/Extraction/Harvesting
2. Manufacturing
3. Construction
4. Use/Maintenance
5. Demolition

Question 8

Which of these materials have the highest recycle content?
Steel
Glass
Concrete
Wood

Answer 8

Glass

Question 9

How does using wood as a material impact CO2 emissions?

Answer 9

Trees transpirate, absorbing CO2. By cutting down trees, it allows more CO2 to stay in the atmosphere
Any CO2 originally in the wood will be stored during use
Manufacturing and cutting requires less CO2 than other materials

Question 10

At what stage does concrete cause the most CO2 emissions?

Answer 10

Cement is heated in a furnace to produce cement clinker through the thermal decomposition of CaCO3. This heating causes it to be the 3rd largest man-made producer of CO2

Question 11

Why is wrought iron now obsolete?

Answer 11

Not very machinable or workable

Poor in high temperatures (fires)

Question 12

What happens to concrete over time?

Answer 12

Increases in strength

Shrinks (creeps)

Question 13

What is concrete comprised of?

Answer 13

Sand
Aggregate
Cement
Water

Question 14

Are masonry, stone and cement strong in tension or compression?

Answer 14

Compression

Question 15

What types of structures are made of stone?

Answer 15

Arches, Piers, Abutments, etc. (compression members)

Question 16

What is a disadvantage of steel compared to cast iron?

Answer 16

Weaker in fires and corrodes more easily

Question 17

How does using wood contribute to loss of nutrients in the soil?

Answer 17

The roots of trees hold soil together, and when they removed topsoil can erode through coastal flooding or other events

Question 18

Which of the following is not a field of civil engineering?
Geotechnical
Environmental
Transportation
Water Resources
Mechanical
Construction
Structural
Earthquake

Answer 18

Mechanical

Question 19

What is Smart Engineering?

Answer 19

Using newly development technologies, materials, design concepts or techniques to achieve a purpose more efficiently, such as passive cooling or reducing power consumption through smart grids or combining building systems

Question 20

Name the three different methods used for truss analysis

Answer 20

Graphical
Method of Joints
Method of Sections

Question 21

In a simply supported beam with a point force through the centre, where does the beam experience the highest bending and where is the highest shear?

Answer 21

Highest Bending is underneath is at the point force (middle)

Highest Shear is at the reactionary forces (sides)