1. What stone was used for the building of St Paul's Cathedral in London?

Select an answer please! Portland York Bath

2. Which surface will offer the best slip resistance under wet conditions?

Select an answer please! Sawn sandstone Flame-finished granite Ceramic tile

3. Which test can definitively identify cement type, especially for ancient mortars?

Select an answer please! Chemical analysis Petrography X-ray diffraction

4. What type of mixer is best for screeds and bedding materials?

Select an answer please! Horizontal pan Standard vertical rotator Careful hand mixing

5. Which of these cements should you not use with limestone?

Select an answer please! Lime White Portland

6. What is the largest internal stone floor area that can be laid without expansion joints?

Select an answer please! 25m sq 50m sq 100m sq

7. Which of these materials exhibits the highest flexural strength?

Select an answer please! Slate Clay tile Fibre-cement slate

8. From where does Jura limestone originate?

Select an answer please! Italy France Germany

9. Which of these iron-sulphur minerals is considered potentially to be the most reactive?

Select an answer please! Pyrite Marcasite Pyrrhotite

10. What is the minimum thickness allowable for stone cladding above first floor level?

Select an answer please! 20mm 30mm 40mm