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What is defined as the amount of strain resulting from applying a given stress?
Answer
Correct Answer:
Modulus of Elasticity
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What does Young's Modulus measure?
Answer
Correct Answer:
Stiffness of an object
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What does resistance to an external load mean?
Answer
Correct Answer:
Stress
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What are the Shear stresses that act on opposing faces?
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Correct Answer:
Stresses that act on parallel faces in opposing directions
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What are Normal stresses?
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Correct Answer:
Tensile and Compressive stresses
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What is the point within a load carrying member that is subjected to the highest stress?
Answer
Correct Answer:
Stress element
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The ratio of actual strength to required strength is called what?
Answer
Correct Answer:
Factor of safety
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What property allows a structure to resist loads?
Answer
Correct Answer:
Strength
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What is the maximum stress which can be applied to a material for an infinite number of stress cycles without failing the material?
Answer
Correct Answer:
Endurance Limit
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When we use eigenvalue to find principal stress, what did it change?
Answer
Correct Answer:
Shape
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What property of a shape is used to predict the resistance to shear stress?
Answer
Correct Answer:
Static Moment of area
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Stress where a bending moment is applied to a beam without the simultaneous presence of axial, shear, or torsional forces is known as what?
Answer
Correct Answer:
Pure Bending
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What is an engineering measure of the torque at which the entire cross section has yielded?
Answer
Correct Answer:
Plastic Torque
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What term describes a load applied to a structural member at some point other than the centroid?
Answer
Correct Answer:
Eccentric loading
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What are Principal Planes?
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Correct Answer:
Planes that have no shear and are on oblique angles
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What is a good measure of the energy stored at every point in an object?
Answer
Correct Answer:
Strain Energy Density
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What type of energy is stored in the deformation of a body?
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Correct Answer:
Strain Energy
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What is the term for the distance between inflection points?
Answer
Correct Answer:
Effective Length
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What do you call an imaginary point on a section where a shear force can be applied without inducing any torsion?
Answer
Correct Answer:
Shear Center
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What term refers to the distribution of the shear stress throughout its cross-section due to the presence of traction-free surfaces?
Answer
Correct Answer:
Shear Flow
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What happens when a structure fails under compressive stress that is below the yield compressive stresses that the material is capable of handling?
Answer
Correct Answer:
Buckling
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What type of criteria predicts the onset of plastic deformation for a multiaxial state of stress?
Answer
Correct Answer:
Yield criteria
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What is the name of the factor used to reduce a structure's failure?
Answer
Correct Answer:
Factor of Safety
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What is the ratio of the ultimate load to the allowable load for a structure?
Answer
Correct Answer:
Factor of Safety
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What is the ratio between the maximum stress to the applied tensile stress?
Answer
Correct Answer:
Stress Concentration Factor
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A material in which properties are not a function of where within the material, they are constant throughout is called what?
Answer
Correct Answer:
Homogeneous
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What is the term for a surface with no normal or shear stress component applied?
Answer
Correct Answer:
Traction Free Surface
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The mean position of all the points in a coordinate direction is known as what?
Answer
Correct Answer:
Centroid
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What is the name of the theorem that states that the moment of inertia about an axis passing through the centroid is equal to the moment of inertia about any parallel axis?
Answer
Correct Answer:
Parallel Axis Theorem
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What is the stress in a material that experiences failure?
Answer
Correct Answer:
Fracture Strength
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What is the maximum stress of a material in which necking begins?
Answer
Correct Answer:
Ultimate Strength
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What is the term that is defined as the stress in which plastic deformation begins?
Answer
Correct Answer:
Yield Strength
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What is the term used to describe the ability of a material to absorb energy and plastically deform without fracturing?
Answer
Correct Answer:
Toughness
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Resilience can be calculated by finding the area under the what curve?
Answer
Correct Answer:
Stress-strain curve
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What is the ability of an object to spring back into shape?
Answer
Correct Answer:
Resilience
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What type of stress is isotropic stress that is given by the weight of water above a certain point?
Answer
Correct Answer:
Hydrostatic Stress
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What is the basic principle of a principal direction?
Answer
Correct Answer:
A set of the axis where the normal stress vector is maximized
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Where is the maximum stress a body can have?
Answer
Correct Answer:
Principle Stresses
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What theory says that planes perpendicular to the long axis of a beam remain in plane and perpendicular during deformation?
Answer
Correct Answer:
Classical Beam Theory
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What type of axis does a cross section have that doesn't have any longitudinal stresses or strains?
Answer
Correct Answer:
Neutral Axis
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What is the zone where stress varies linearly with the strain?
Answer
Correct Answer:
Elastic Core
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What is the term used to describe Stress that will present after all external loads are removed?
Answer
Correct Answer:
Residual Stress
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What is the name of the correction applied when the yield stress is exceeded?
Answer
Correct Answer:
Stress Redistribution
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According to Hooke's Law, what will increase with increasing strain?
Answer
Correct Answer:
Stress
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What is defined as A deformation that causes irreversible damage to the material's original shape?
Answer
Correct Answer:
Plastic Deformation
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A material that contains different properties in a different direction is referred to as what?
Answer
Correct Answer:
Anisotropic
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A material that contains the same properties in any direction is referred to as what?
Answer
Correct Answer:
Isotropic
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What is the definition of Linear Elastic?
Answer
Correct Answer:
When a load is applied, after unloading the material it will regain its original shape given enough time
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What is the name of the structure's ability to resist deformation?
Answer
Correct Answer:
Bending Stiffness
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What is the coefficient of thermal expansion used for?
Answer
Correct Answer:
Describes how the size of an object will change depending on its temperature
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The ratio of shear stress over shear strain is called?
Answer
Correct Answer:
Shear Modulus
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What do moments of inertia help explain?
Answer
Correct Answer:
A body's tendency to resist angular acceleration
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What is the moment that is applied to a body that causes the material to twist?
Answer
Correct Answer:
Torque
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What term refers to the point at which a material will begin to plastic deform?
Answer
Correct Answer:
Yield Stress
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What is the property that measures a material's stiffness?
Answer
Correct Answer:
Modulus of Elasticity
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What is a relative deformation measure parallel to the cross-sectional area?
Answer
Correct Answer:
Shear Strain
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What is an example of normal strain?
Answer
Correct Answer:
Relative deformation perpendicular to the cross-sectional area
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What is the component of engineering stress that is coplanar to cross sectional area?
Answer
Correct Answer:
Shear Stress
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What type of stress occurs when an axial load is applied perpendicular to cross sectional area?
Answer
Correct Answer:
Normal Stress
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