Engineering - Forces and Stresses

Which of the following describes the force acting on the legs of a chair when it is sat on?

• Compression

• Gravity

• Torsion

• Pressure

Which of the following best describes a carton of milk?

• Shell structure

• Solid structure

• Temporary structure

• Frame

If you hang by your hands from a bar which force is acting on your arms?

• Shear

• Torsion

• Tension

• Compression

Define dead load.

• Constant weight of a bridge

• Weight of items crossing a bridge

• Weight of items parked on a bridge

• Weight of upper section of a bridge

Which of the following describes a static load?

• Falling load

• Stationary load

• Rotating load

• Lightweight load

What is the purpose of destructive testing?

• To break a structure

• To demolish a structure

• To test a structure before it fails

• To test a structure until it fails

What is a composite material?

• A combination of materials

• A combination of similar materials

• Combination of different materials resulting in a new material with new properties

• Combination of different materials resulting in a product with similar properties

What is the definition of ductility?

• The ability for a material to bend

• The ability for a material to withstand tension

• The ability for a material to be stretched or drawn out

• The ability of a material not to snap

What is the function of a strut?

• To give upward support to a structure

• To keep a structure under tension

• To provide a downward force

• To provide outward facing support

Define torsion.

• A bending force

• A pushing force

• A twisting force

• A spinning force