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 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

The corrosion of steel can be controlled by?

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

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

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

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

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

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

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

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