Concrete and Steel draft quiz

What is the primary binding agent in concrete?

• Limestone

• Cement

• Water

• Sand

What is the typical curing period for concrete to reach full strength?

• 7 days

• 14 days

• 21 days

• 28 days

Concrete has high compressive strength but low ____.

• Durability

• Tensile strength

• Thermal capacity

• Workability

Water-cement ratio has no impact on concrete strength.

• True

• False

Why are reinforcement bars added to concrete?

• To improve fire resistance

• To reduce cost

• To improve tensile strength

• To prevent drying shrinkage

Which of the following best describes mild steel?

• Brittle and weak

• Highly elastic

• Ductile and strong in tension

• Poor in load-bearing applications

Which is a common method of protecting steel from corrosion?

• Galvanising

• Freezing

• Heat treating

• Sandblasting

Steel is non-combustible but loses strength in high heat.

• True

• False

What is a common structural use of steel in buildings?

• Roof tiles

• Foundation fill

• Structural frames

• Flooring

Which of these is a softwood?

• Oak

• Pine

• Mahogany

• Teak