Quiz: Section 1.4 Mechanics Terminology

What is a homogeneous body?
   (A)   It has different properties in all
           directions
   (B)   It has different properties at all points.
   (C)   It has same properties in all directions.
   (D)   It has same properties at all points

What do interply hybrid laminates contain?
   (A)    two or more different resins in different
            plies
   (B)    plies of two or more different composite
            systems
   (C)    two or more different fibers are used in
            the same ply
   (D)    two or more different resins in the same
            ply

What do intraply hybrid laminates contain?
   (A)    two or more different fibers are used in
            the same ply
   (B)    two or more different resins in the same
            ply
   (C)    two or more different resins in different
            plies
   (D)    plies of two or more different composite
            systems

What is finding the properties of a single lamina from the properties of fiber and matrix called?
   (A)    macromechanics of a lamina
   (B)    macromechanics of a laminate
   (C)    micromechanics of a lamina

What is an isotropic material?
   (A)    It has same properties in all directions.
   (B)    It has different properties in all
            directions.
   (C)    It has same properties in two
            orthogonal directions
   (D)   It has same properties in two orthogonal
           directions

What is the definition of a lamina?
   (A)    an isotropic layer
   (B)    two layers of composite material
   (C)    multiple layers bonded together
   (D)    one layer of composite material

What is the definition of anisotropic materials?
   (A)    materials with different properties in all
            directions.
   (B)    materials with different properties at all
            points
   (C)    materials with the same properties in all
            directions.
   (D)    materials with the same properties at all
            points

Quasi-isotropic laminates are called quasi. They are called quasi because they do not behave like an isotropic material when mainly which of these loads is applied?
   (A)    bending load
   (B)    axial compressive load
   (C)    in-plane shear load
   (D)    axial tensile load

What is a piece of steel heated on one end and cooled on the other is an example of?
   (A)    orthotropic body
   (B)    nonhomogeneous body
   (C)    anisotropic body
   (D)    homogenous body

What do resin hybrid laminates combine?
   (A)    two or more fibers
   (B)    a fiber and a matrix
   (C)    two or more matrices