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

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

What is the most common form of corrosion protection?

Hot dip galvanizing
Paint coatings
Thermally sprayed metal coatings
Paint and metal coatings together

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

What are surface profile comparators used for?

To check the smoothness of a paint coating
To grade the roughness of a thermally sprayed coating
To grade the roughness of a blast cleaned steel surface
To check the standard of cleanliness of blast cleaned steel

Corrosion occurs as a result of an electrochemical reaction between?

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

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

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

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