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

The key to successful corrosion protection should consider which of the following?

Good design detailing of the structure
The corrosivity of the environment
The type of steel used
A good coating specification

The corrosion of steel can be controlled by?

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

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

C1
C2
C3
C4

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

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

2
3
4
None

Which standard refers to 'the treatment of welds, edges and other surface imperfections'?

BS 7079
ISO 8501-3
BS EN ISO 8504-3
BS EN ISO 8503-5

When is acid pickling carried out?

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

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

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

Which metals are thermally sprayed to structural steel?

Aluminium
Chromium
Zinc
Nickel