Preview Questions Mason/Bricklayer | Role Specific Skill

Question 1: What is the primary reason for applying a bonding agent before laying a new layer of mortar on an existing concrete surface?

Which action should you take?

Choose only one option

To speed up the curing process

To enhance the aesthetic finish of the surface

To prevent moisture loss in the new mortar

To ensure better adhesion of the mortar to the substrate

Question 2: What is the effect of using a surface that has excessive moisture content before laying mortar or concrete?

Which action should you take?

Choose only one option

No effect on the bonding process

Increased working time for the mortar

Reduced bond strength and potential failure

Better consistency in mortar mix

Question 3: When installing floor tiles over an existing vinyl floor, what must be done to ensure proper adhesion?

Which action should you take?

Choose only one option

Apply a primer designed specifically for vinyl surfaces

Sand down the existing vinyl surface to roughen it

Apply a layer of self-leveling compound over the vinyl

Remove the vinyl completely before installation

Question 4: How does the use of aggregate grading affect the strength and durability of concrete?

Which action should you take?

Choose only one option

Finer aggregates increase the strength but reduce durability

Coarse aggregates improve workability but reduce strength

Proper grading ensures a well-compacted mix, enhancing strength and durability

The grading has no impact on the final concrete mix

Question 5: What is the best practice for ensuring wall stability when installing thin brick veneer over drywall?

Which action should you take?

Choose only one option

Applying extra adhesive to the back of the veneer

Using a stronger drywall type for added support

Using mechanical fasteners to secure the veneer

Installing a layer of plywood beneath the drywall

Question 6: When preparing a floor for the installation of a new concrete slab, how do you ensure proper bonding between the old and new concrete layers?

Which action should you take?

Choose only one option

Use a bonding agent and roughen the old slab with a wire brush

Clean the old surface with a pressure washer and apply bonding primer

Use a power trowel to roughen the surface

Apply a thin layer of mortar over the old surface before pouring