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Date May 2018 Marks available 1 Reference code 18M.1.SL.TZ0.14
Level SL Paper 1 Time zone no time zone
Command term Question number 14 Adapted from N/A

Question

The joints along railway tracks have noticeable gaps. This is not a design flaw as these gaps serve a purpose, see Figure 5.

Figure 5: The gaps along railway tracks

[Source: https://commons.wikimedia.org/wiki/File:Track_joint.jpg]

 

What purpose do the gaps along railway tracks serve?

A. Easy access for maintenance

B. Allow for thermal expansion

C. Ease of transportation

D. To adjust the distance between the wooden sleepers

Markscheme

B

Examiners report

[N/A]

Syllabus sections

Topic 4: Final production » 4.1 Properties of materials
Topic 4: Final production

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