Physics of Materials Quiz

Which property of material is NOT due to plastic deformation

• Brittle

• Ductile

• Ability to bend

• Ability to withstand stress

Which characteristic of materials is NOT a result of elastic deformation?

• Elasticity

• Plasticity

• Ability to return to original shape

• Ability to absorb energy

Which point on the stress-strain curve occurs after the proportionality limit?

• Elastic limit

• Upper yield point

• Lower yield point

• Ultimate point

What is the point on the stress-strain curve where permanent deformation begins?

• Proportional limit

• Elastic limit

• Yield point

• Fracture point

Young’s modulus is define as

• Strain / stress

• Stress / strain

• Strain x stress

• length / area

The pressure that seawater exerts on a submerged submarine is called

• underwater pressure.

• liquid pressure.

• submerged pressure.

• hydrostatic pressure

Which one of the following is the CORRECT equation?

• P_abs = P_atm - ρgh

• P_abs = P_atm + ρgh

• P_atm = P_abs + ρgh

• P_atm = ρgh

The Bernoulli's principle is primarily concerned with the conservation of

• mass

• energy

• momentum

• pressure

The continuity equation is based on the principle of

• conservation of mass

• conservation of force

• conservation of energy

• conservation of momentum

The Bernoulli's equation is based on the law of

• conservation of mass

• conservation of force

• conservation of energy

• conservation of momentum