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Q: Which admixture is used to reduce the amount of mixing water required for a given workability?

A) Accelerator

B) Water-reducing admixture

C) Air-entraining agent only

D) Retarder

Answer: B. Water-reducing admixture

Q: Wind load on a building is classified as?

A) Self-weight load

B) Permanent load

C) Dead load

D) Environmental load

Answer: D. Environmental load

Q: Why is reinforcement checked before concrete pouring?

A) To determine concrete color

B) To ensure size, spacing, cover, anchorage and placement comply with design requirements

C) To avoid using formwork

D) To increase water content

Answer: B. To ensure size, spacing, cover, anchorage and placement comply with design requirements

Q: What is the purpose of an inspection request on a construction project?

A) To order office furniture

B) To request employee salary

C) To formally request inspection or approval of completed work before the next stage

D) To calculate road traffic

Answer: C. To formally request inspection or approval of completed work before the next stage

Q: Which type of concrete is designed to have improved flow without excessive vibration?

A) Self-compacting concrete

B) Lean concrete

C) Mass concrete only

D) No-fines concrete

Answer: A. Self-compacting concrete

Q: Plasticity index is calculated as?

A) Liquid limit divided by plastic limit

B) Liquid limit minus plastic limit

C) Plastic limit minus liquid limit

D) Liquid limit plus plastic limit

Answer: B. Liquid limit minus plastic limit