Corrosion protection quiz

Please answer the following 10 multiple choice questions, then click 'submit' to check the result. The pass mark for a CPD certificate is 8 out of 10, and you may retake the quiz as many times as you wish, but the questions will vary! 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

Corrosion protection

When should coating inspection be carried out?

After the job is completed
Only when painting is being carried out
Throughout the whole job
Only for special structures

Corrosion occurs as a result of an electrochemical reaction between?

Steel and water
Steel, water and oxygen
Water and dissimilar metals
Abrasives and water

Which metals are thermally sprayed to structural steel?

Aluminium
Chromium
Zinc
Nickel

What type of surface 'roughness' should steel have before being thermally metal sprayed?

Rounded with high profile amplitude
Angular with high profile amplitude
Rounded with low profile amplitude
Angular with low profile amplitude

When is acid pickling carried out?

Before coating small components
As a pre-treatment for painting
Before hot dip galvanizing
Never

How many photographic 'rust grades' are there in BS EN ISO 8501-1?

2
3
4
None

In which 'Corrosivity Category' can steel be used without corrosion protection?

C1
C2
C3
C4

The design detailing of a steel structure is important for?

Aesthetic purposes
To prevent water and dirt retention
To aid the application of protective coatings
Coating inspection

The corrosion of steel can be controlled by?

Coupling to a more noble metal
Paint coatings
Metal coatings
Washing with chlorinated water

Which of the following can be found in a corrosion protection specification?

How to mix paints
Coating film thicknesses
Types of coating equipment
Method of surface preparation