Building CPD – Structural steel and the circular economy quiz

Please answer the following 5 multiple choice questions, then click 'submit' to check the result. The pass mark for a CPD certificate is 5 out of 5, and you may retake the quiz as many times as you wish. Please note that one, two, three or all of the possible answers presented for each question may be right, and to gain a mark for that question all correct answers must be identified.

Good luck

Building CPD - Structural steel and the circular economy

What was the value of 1 tonne of UK structural scrap steel in 2020?

£230–£240
£105–£150
£50–£100
£25–£50

What are the current recovery rates from demolition sites in the UK for structural steel?

29%
49%
89%
99%

Steel enables a circular economy in many ways - which of these statements is NOT true?

Its strength and durability enable long-lasting structures when well maintained
A steel frame is flexible and can easily be adapted
Scrap steel is difficult to recycle or remanufacture
Structural steel sections can often be reused in situ or in new or relocated structures

What is the average recycled content of structural steel in the UK?

20%
40%
60%
80%

Which of the following can designers do to maximise the opportunity to reuse structural steel?

Use bolted connections in preference to welded joints
Consider using long spans
Use standard connection details
All of the above