CCI CCI Quality Control & Assurance 2

Question 1

What is the correct curing temperature range for standard Portland cement concrete to achieve optimal strength gain?

Accepted Answer

50°F to 95°F (10°C to 35°C)

Answer

32°F to 50°F (0°C to 10°C)

Answer

Above 95°F (35°C)

Answer

Below 32°F (0°C)

Question 2

What is the purpose of pre-installation conferences in a quality control program?

Accepted Answer

To ensure all parties understand requirements, materials, and procedures before critical work begins

Answer

To satisfy a contractual billing milestone

Answer

To allow the inspector to meet project subcontractors for networking

Answer

To review contractor insurance certificates

Question 3

During quality control inspection of structural steel bolt installation, what torque verification method uses a calibrated wrench to check installed bolts?

Accepted Answer

Turn-of-nut verification or torque-wrench verification per AISC and RCSC specifications

Answer

Visual inspection of bolt head marks only

Answer

Measuring the bolt protrusion past the nut

Answer

Tapping bolts with a hammer to detect looseness

Question 4

What is the key difference between quality control (QC) and quality assurance (QA) in construction?

Accepted Answer

QC is performed by the contractor to meet specifications; QA is performed by an independent party to verify compliance

Answer

QA is done by the contractor; QC is done by the owner

Answer

QC and QA are interchangeable terms with no practical difference

Answer

QA only applies to material testing; QC applies to workmanship

Question 5

When inspecting fireproofing (spray-applied fire-resistive material) on structural steel, what is the primary measurement the inspector records?

Accepted Answer

Dry film thickness using a calibrated depth gauge at required test intervals

Answer

Color uniformity and surface texture

Answer

Weight of material applied per bag

Answer

Adhesion strength by hand pull test only

Question 6

What does ICC/IBC require regarding the qualifications of a Special Inspector for structural welding?

Accepted Answer

The inspector must be a Certified Welding Inspector (CWI) per AWS D1.1 or approved equivalent

Answer

Any licensed contractor may perform structural weld inspection

Answer

A Professional Engineer must personally perform all weld inspections

Answer

No specific credentials are required beyond general construction experience