Concrete Flatwork Quiz

What is the primary purpose of concrete flatwork?

• To create vertical structures

• To provide a smooth, level surface

• To reinforce steel structures

• To insulate buildings

Which of the following is a common tool used in finishing concrete flatwork?

• Hammer

• Trowel

• Saw

• Drill

What is the recommended minimum thickness for a residential concrete slab?

• 2 inches

• 4 inches

• 6 inches

• 8 inches

What is the purpose of control joints in concrete flatwork?

• To enhance the appearance

• To control cracking

• To increase strength

• To reduce cost

Which of the following is NOT a type of concrete finish?

• Broom finish

• Smooth finish

• Stamped finish

• Painted finish

What is the ideal temperature range for pouring concrete?

• Below 32°F (0°C)

• 32°F to 50°F (0°C to 10°C)

• 50°F to 70°F (10°C to 21°C)

• Above 90°F (32°C)

What is the purpose of using rebar in concrete flatwork?

• To decorate the surface

• To reinforce the concrete

• To reduce the weight

• To speed up the curing process

Which of the following is a common cause of concrete spalling?

• Excessive water in the mix

• Proper curing

• Adequate reinforcement

• Low humidity

What is the term for the process of smoothing the surface of freshly poured concrete?

• Screeding

• Curing

• Mixing

• Sealing

Which admixture is commonly used to accelerate the curing process of concrete?

• Water reducer

• Air-entraining agent

• Superplasticizer

• Calcium chloride