| Date | November 2018 | Marks available | 1 | Reference code | 18N.1.HL.TZ0.16 |
| Level | HL | Paper | 1 | Time zone | no time zone |
| Command term | Question number | 16 | Adapted from | N/A |
Question
Kevlar® is a well-known high performing composite. What best describes its form?
A. Fibres
B. Sheets
C. Particles
D. Matrix
Markscheme
B
Examiners report
[N/A]
Syllabus sections
-
18M.1.SL.TZ0.19:
The 2016 BMW 7 series may be considered a breakthrough in the use of carbon-fibre reinforced plastic in a mainstream car, see Figure 7.
Figure 7: The 2016 BMW 7 series
[Source: Image by Kevauto, https://commons.wikimedia.org/wiki/File:2017_BMW_750i_(G12)_front_3.23.18.jpg]
What advantage is BMW seeking in using this composite material?
A. Flexibility
B. Increased rigidity
C. Light and strong
D. Lower costs
-
20N.2.SL.TZ0.6b:
Explain why carbon glass fibre was chosen for the modern rotor sail.
-
19N.2.SL.TZ0.6a:
Outline why these bricks are an example of a composite material.
