1.
A magazine rack manufactured from acrylic is shown below.
(
a
) Acrylic is a thermoplastic.
State what is meant by the term thermoplastic.
(
b
) State
two
reasons why acrylic was considered a suitable material for the
manufacture of the magazine rack.
(i)
(ii)
(
c
) State
one
disadvantage of using acrylic.
Page two

Nut and
bolt
Side view
Left side Right side
1. (continued)
Shown below are the acrylic sheets prior to bending.
(
d
) State why only three holes were drilled at this stage.
(
e
) A number of the magazine racks are to be made.
State how the magazine racks could be bent to an identical shape.

Three holes for
bolts
Left side sheet Right side sheet
2.
A stainless steel park bench is shown below.
(
a
) The primary function of the bench is seating.
State a secondary function of this park bench.
(
b
) The designer used a table of human dimensions when designing the park
bench.
(i) State the name of this type of data.
(ii) State the stage in the design process when this data would be gathered.
(iii) The bench was designed to suit a range of people between the 5th and
95th percentiles.
State a reason why people below the 5th percentile would find the bench
difficult to use.
(
c
) Stainless steel, a ferrous metal, was used in the manufacture of the bench.
(i) State what is meant by the term ferrous metal.
(ii) State
two
reasons why stainless steel is a suitable material for the park
bench.
1
2