IB Design Technology Topic 4 Prep
Exam Questions With Solved Solutions.
Strain - Answer The response of a material due to stress, defined as the change in length divided by the
original length
Stress - Answer A force on a material divided by the cross sectional area of the material
Stiffness - Answer The resistance of and elastic body to deflection by an applied force
Super alloy - Answer Alloy the exhibits exceptional mechanical properties, resistance to thermal creep
deformation, good surface stability, and resistance to errosion
Synthetic fibers - Answer Fibers made from man made materials, spun into threats; the joining of
monomers into polymers through polymerization
Tempering - Answer Heat treating process that increases the toughness of iron based metals by heating
the metal and allowing it to cool in air. This can increase ductility and decrease brittleness
Knots - Answer Imperfections in timber, caused by the growth of branches in the tree that reduces its
strength
Lacemaking - Answer A method for creating a decorative fabric that is woven into symmetrical patterns
and figures
Laminated boards - Answer Sheets of material made from layers of veneers (plywood)
Laminated object manufacture (LOM) - Answer A rapid prototyping system that creates a 3D product
by converting it into slices, cutting the slices, and joining the slices
, Lamination - Answer Covering the surface of a material with a thin sheet of another material typically
for protection, preservation, or aesthetic reasons
Load Capacity (Robots) - Answer The weight a robot can manipulate
Machine to machine (M2M) - Answer Wired or wireless communication between similar devices
Magneto-rheostatic - Answer The smart property relates to a fluid that can undergo a dramatic change
in viscosity when exposed to a magnetic field
Man-made timber - Answer Also known as engineered wood or composite wood, these are wood
products that are made by binding or fixing strands, particles of fibers, veneers of boards of wood
together with adhesives or other fixing methods to create a composite materials. Typical examples
include MDF, plywood and chipboard
Twisting - Answer A distortion in which the 2 ends of a materiel do not lie in the same plane
Mass - Answer Relates to the amount of matter in a given volume
Mass customization - Answer A sophisticated CIM system that manufactures products to individual
customer orders. The benefits of economy of scale are gained whether the order is for a single item or
for thousands
Mass production - Answer The production of large amounts of standardized products on production
lines, permitting a very high rate of production per worker
Material selection charts - Answer A chart used to identify appropriate materials based on the desired
properties
Mechanical properties - Answer Properties of a material that involve the relationship between stress
and strain or a reaction to an applied force
Exam Questions With Solved Solutions.
Strain - Answer The response of a material due to stress, defined as the change in length divided by the
original length
Stress - Answer A force on a material divided by the cross sectional area of the material
Stiffness - Answer The resistance of and elastic body to deflection by an applied force
Super alloy - Answer Alloy the exhibits exceptional mechanical properties, resistance to thermal creep
deformation, good surface stability, and resistance to errosion
Synthetic fibers - Answer Fibers made from man made materials, spun into threats; the joining of
monomers into polymers through polymerization
Tempering - Answer Heat treating process that increases the toughness of iron based metals by heating
the metal and allowing it to cool in air. This can increase ductility and decrease brittleness
Knots - Answer Imperfections in timber, caused by the growth of branches in the tree that reduces its
strength
Lacemaking - Answer A method for creating a decorative fabric that is woven into symmetrical patterns
and figures
Laminated boards - Answer Sheets of material made from layers of veneers (plywood)
Laminated object manufacture (LOM) - Answer A rapid prototyping system that creates a 3D product
by converting it into slices, cutting the slices, and joining the slices
, Lamination - Answer Covering the surface of a material with a thin sheet of another material typically
for protection, preservation, or aesthetic reasons
Load Capacity (Robots) - Answer The weight a robot can manipulate
Machine to machine (M2M) - Answer Wired or wireless communication between similar devices
Magneto-rheostatic - Answer The smart property relates to a fluid that can undergo a dramatic change
in viscosity when exposed to a magnetic field
Man-made timber - Answer Also known as engineered wood or composite wood, these are wood
products that are made by binding or fixing strands, particles of fibers, veneers of boards of wood
together with adhesives or other fixing methods to create a composite materials. Typical examples
include MDF, plywood and chipboard
Twisting - Answer A distortion in which the 2 ends of a materiel do not lie in the same plane
Mass - Answer Relates to the amount of matter in a given volume
Mass customization - Answer A sophisticated CIM system that manufactures products to individual
customer orders. The benefits of economy of scale are gained whether the order is for a single item or
for thousands
Mass production - Answer The production of large amounts of standardized products on production
lines, permitting a very high rate of production per worker
Material selection charts - Answer A chart used to identify appropriate materials based on the desired
properties
Mechanical properties - Answer Properties of a material that involve the relationship between stress
and strain or a reaction to an applied force
