Tech Grade 8 Question Preview (ID: 42546)
Tech.
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A structural member designed to withstand compression
a) Tie
b) Gear
c) Steel
d) Strut
A technique that uses beams to provide extra stiffness to a frame structure
a) Column
b) Tubing
c) Corrugating
d) Triangulation
A component in a mechanism that converts rotary motion into recoprocating
a) Pen
b) Cam
c) Rafter
d) Idle gear
A mix of water, small chips of waste paper and other small particles
a) Pulp
b) Carboard
c) Wood
d) Bag
A flat piece of cardboard packaging that can be folded and glued together to form a cardboard box
a) Pattern
b) Paper
c) Container
d) Development
Crude Oil
a) Extra member in a structure
b) Chemical process used to change brown wood fibres
c) Fossil fuel used to make plastic and other products
d) a drawing on a flat surface or paper
Bleaching
a) a drawing on a flat surface or paper
b) Extra member in a structure
c) Fossil fuel used to make plastic and other products
d) Chemical process used to change brown wood fibers to make them white
Brace
a) An extra member in a structure that stiffened the frame structure
b) a drawing on a flat surface or paper
c) Chemical process used to change brown wood fibers to make them white
d) Fossil fuel used to make plastic and other products
Ties
a) Fossil fuel used to make plastic and other products
b) A structural member that holds other members together by pulling them
c) An extra member in a structure that stiffened the frame structure
d) a drawing on a flat surface or paper
Two dimensional drawing
a) Fossil fuel used to make plastic and other products
b) Drawing on a flat surface or paper
c) An extra member in a structure that stiffened the frame structure
d) Chemical process used to change brown wood fibers to make them white
What is the purpose of the following structural member in roof trusses - King post
a) It connects with the apex of a triangular truss
b) It is a central vertical post standing upright
c) carries the greatest load
d) All
What is the purpose of the following structural member in roof trusses - Queen post
a) It has 2 posts positioned alongside the base of the trus
b) stands upright
c) and DOES NOT connect with the apex of the roof frame structure
d) All
Define following terms in structural failures - Fracture of a member
a) It is the loss of the load carrying capacity of a component
b) Or member within a structure
c) It is the separation of an object or material in two
d) All
Define following terms in structural failures - Bending of a member
a) When a heavy load is placed on a beam the load overcomes the stiffness
b) The beam will buckle or bend
c) All
d) None
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