Concrete Technology Quiz Recap

Which of the following is NOT a constituent of good quality concrete?

• Cement

• Fine aggregates

• Water

• Steel

What is the main function of coarse aggregates in concrete?

• Binding material

• Filler material

• Increase workability

• Reduce water content

The process by which cement reacts with water to form a hard mass is called:

• Curing

• Hydration

• Compaction

• Setting

Which method of batching is recommended for all major works?

• Volume batching

• Hand batching

• Weigh batching

• Visual batching

Which of the following is NOT a method of transporting concrete?

• Mortar pan

• Belt conveyor

• Crane

• Ropeway

What is the maximum time allowed for transporting concrete with trucks without agitators?

• 30 minutes

• 1 hour

• 2 hours

• 3 hours

Which compaction method is most preferred for quality works?

• Hand tamping

• Immersion vibrators

• Rodding

• Rolling

Which of the following is NOT a method of curing concrete?

• Water curing

• Steam curing

• Air curing

• Electrical curing

What is the minimum recommended curing period for concrete?

• 3 days

• 7 days

• 10 days

• 21 days

Which stage of concrete is characterized by fluidity and ease of molding?

• Plastic state

• Setting state

• Hardening state

• Curing state