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Concrete Brick and Masonry - Review Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
What is the main purpose of control joints in concrete slabs?
a) To add decoration
b) To increase the concrete's strength
✔✔c) To prevent random cracking
d) To improve insulation
Which material is typically added to concrete to make it more workable without adding water?
a) Gravel
✔✔b) Plasticizer
c) Lime
d) Clay
What is the key difference between concrete and cement?✔✔a) Cement is an ingredient in concrete
b) Concrete is an ingredient in cement 1 / 3
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c) They are the same thing
d) Cement is stronger than concrete
Which of the following bricks is best used for high-strength applications?
a) Decorative clay bricks
b) Hollow bricks
✔✔c) Engineering bricks
d) Glass bricks
Why is it important to keep freshly poured concrete moist during curing?
a) To prevent color change
✔✔b) To ensure proper strength development
c) To make it dry faster
d) To stop insects
What is the most common reason for mortar joints failing in masonry?
a) Dirty bricks
b) Cold temperatures 2 / 3
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✔✔c) Improper mixing or application of mortar
d) Using too much water on the wall
Which tool is used to finish the surface of wet concrete?
a) Float ✔✔
b) Hammer
c) Trowel
d) Mason’s brush
What component in concrete is primarily responsible for its strength?
a) Water
✔✔b) Cement
c) Sand
d) Air
What is the best weather condition for laying bricks with mortar?✔✔a) Mild and overcast
b) Hot and dry
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