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

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 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 standard is the product specification for hot dip galvanizing?

BS EN ISO 14713-1
BS EN ISO 2063
BS EN ISO 1461
BS EN ISO 12944

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

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

2
3
4
None

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 of the following organisations have 'prescriptive' specifications for steel bridges?

The Environment Agency
The Highways Agency
Network Rail
The Local Authority

Which of the following surface preparation methods can be 100% efficient in removing all rust and millscale?

Rotary wire brushing
Needle gunning
Abrasive blast cleaning
Scraping

Identify one of the main requirements of a prefabrication primer?

To be 'weldable'
To provide long term protection
To be a thick coating
To dry slowly

When is acid pickling carried out?

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