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