MPA Quiz Mortar Data Sheets
A multiple choice quiz linked to MPA (Mortar) data sheets
How many bricks approximately will 1 tonne of cement:lime:sand mortar lay? *
1 point
What type of mix is less able to accommodate movement due to temperature and moisture changes? *
1 point
Why are the use of anti-freeze agents not generally recommended for masonry mortars? *
1 point
Why is it recommended that you build a small trial panel when using coloured mortar? *
1 point
When using 'factory produced ready to use mortar' what must not be carried out once the initial set has started? *
1 point
At what temperature is it inadvisable to proceed with the construction of masonry? *
1 point
Which of the following is a common strength test of mortar? *
1 point
During summer working, why is there is a risk that the bond between the mortar and the brick may be adversely affected? *
1 point
Whilst ensuring bed joints are level and even, what is also considered good practice? *
1 point
When mortar joints are in poor condition and repointing is necessary, what is the minimum depth recommended for raking out prior to repointing? *
1 point
What is an air entraining / plasticizing admixture used for in mortar production? *
1 point
Why would you add a permeability reducer to mortar? *
1 point
What does the workable life measurement of mortar determine? *
1 point
What causes efflorescence? *
1 point
What does the test for water soluble chloride content determine? *
1 point
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