Exam Questions And Correct Answers

CA D10 Elevated Floors Contractor Exam Questions And Correct Answers (Verified Answers) Plus Rationale2026 Q&A| Instant Download Pdf

• What is the primary purpose of an elevated floor system?
• To reduce construction cost
• To improve aesthetic appeal
• To allow for underfloor cabling and airflow
• To increase building height

Answer: C. To allow for underfloor cabling and airflow

Rationale: Elevated floors provide space beneath the floor surface for

electrical, data, and HVAC systems, improving maintenance access and airflow management.

• Which material is commonly used for pedestal supports in elevated

floors?

• Wood
• Steel
• Glass
• Plastic

Answer: B. Steel

Rationale: Steel pedestals are strong, durable, and can support the weight of

the floor panels and loads above.

• What is the standard height range for raised floor systems?
• 50–100 mm
• 100–150 mm 1 / 3

• 150–600 mm
• 700–1000 mm

Answer: C. 150–600 mm

Rationale: Elevated floors are typically installed at a height sufficient to

accommodate cables and airflow, usually between 150 mm and 600 mm.

• Which type of panel is most commonly used in commercial raised

floors?

• Timber
• Steel-faced concrete core
• Plastic laminate
• Ceramic

Answer: B. Steel-faced concrete core

Rationale: Steel-faced concrete core panels are preferred for their strength,

durability, and load-bearing capacity in commercial applications.

• What is the purpose of stringers in an elevated floor system?
• To support ceiling panels
• To connect pedestals and provide lateral stability
• To act as floor finishing
• To reduce vibration

Answer: B. To connect pedestals and provide lateral stability

Rationale: Stringers link pedestal supports, enhancing the lateral stability

and load distribution of the raised floor.

• Which standard governs raised access flooring systems?

A. ISO 9001

B. ANSI/BIFMA

C. ASTM E84

D. IEC 60335

Answer: B. ANSI/BIFMA

Rationale: The ANSI/BIFMA standard covers performance and safety

requirements for raised access flooring in commercial spaces. 2 / 3

• What is the recommended method for leveling pedestal supports?
• Using a spirit level and adjustable screws
• Hammering into place
• Gluing to the subfloor
• Using a plumb bob

Answer: A. Using a spirit level and adjustable screws

Rationale: Pedestals should be precisely leveled using a spirit level and

adjustable screws to ensure a flat and stable floor surface.

• Raised floors are particularly useful in which type of facility?
• Warehouses
• Data centers
• Residential homes
• Retail stores

Answer: B. Data centers

Rationale: Data centers require underfloor space for cabling and cooling,

making raised floors essential for efficient operation.

• Which of the following loads should be considered when designing

elevated floors?

• Live loads only
• Dead loads only
• Both live and dead loads
• Wind loads

Answer: C. Both live and dead loads

Rationale: Elevated floors must safely support both the weight of the floor

itself (dead load) and occupants/equipment (live load).

• Which finishing option is most suitable for high-traffic raised floor

areas?

• Carpet tile
• Vinyl
• Laminate
• Hardwood
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