2.2.1 Mechanics - Statics (2) lll

Which type of member is subject to tension?

• Tie

• Strut

• Beam

What is the primary function of an aircraft's airframe?

• To carry loads imposed by various forces

• To improve fuel efficiency

• To reduce noise levels

What does Young's Modulus measure?

• The density of a material

• The temperature at which a material melts

• The amount of force needed to produce a unit deformation

In which region does Hooke's law apply?

• Plastic region

• Elastic region

• Ultimate strength

What is the primary stress that tries to pull an object apart?

• Tension

• Compression

• Bending

Which of the following describes a cantilever?

• A beam supported at one end only

• A beam supported at both ends

• A type of strut

What is the process called when a gas becomes a solid without becoming a liquid?

• Deposition

• Sublimation

• Evaporation

What is the primary characteristic of a ductile material?

• It can be stretched without breaking

• It fractures easily

• It is very hard

What happens to the particles in a solid when it is heated?

• They move freely

• They vibrate more strongly

• They spread out

What is the term for the ability of a material to return to its original shape after deformation?

• Plasticity

• Elasticity

• Brittleness