AR BDG Building Demolition Exam —
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Rationales 2027 Q&A | Instant
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1. What is the primary purpose of a pre-demolition inspection?
A. To determine the paint color
B. To identify structural conditions, hazards, utilities, and demolition
methods
C. To estimate employee wages
D. To select landscaping materials
Answer: B. To identify structural conditions, hazards, utilities, and
demolition methods
Rationale: A pre-demolition inspection establishes existing conditions and
identifies structural, environmental, utility, and safety hazards so the work
can be properly planned.
,2. Before demolition begins, which utilities should generally be
disconnected or controlled?
A. Only electrical service
B. Only water service
C. All applicable utilities, including electrical, gas, water, and
communications
D. Only telephone service
Answer: C. All applicable utilities, including electrical, gas, water, and
communications
Rationale: Uncontrolled utilities can create electrocution, fire, explosion,
flooding, and other hazards during demolition.
3. What is a major hazard associated with partially demolished structures?
A. Improved ventilation
B. Unstable structural elements and unexpected collapse
C. Reduced noise
D. Increased natural lighting
Answer: B. Unstable structural elements and unexpected collapse
,Rationale: Removing structural components can redistribute loads and
leave remaining portions unstable, creating collapse hazards.
4. What should be established around a demolition area to control access?
A. A recreational area
B. A controlled exclusion zone
C. An employee parking area
D. A storage area for office supplies
Answer: B. A controlled exclusion zone
Rationale: Barricades, fencing, signs, or other controls help keep
unauthorized personnel away from falling debris, equipment, and other
hazards.
5. Which document is particularly useful for understanding the original
structural design of a building?
A. Employee attendance sheet
B. Structural drawings or construction plans
C. Delivery receipt
D. Payroll register
, Answer: B. Structural drawings or construction plans
Rationale: Structural drawings can reveal load-bearing walls, beams,
columns, foundations, and other components that affect demolition
sequencing.
6. What is the safest general principle when removing structural
components?
A. Remove major supports first
B. Remove materials randomly
C. Maintain structural stability throughout the operation
D. Allow workers to determine the sequence as they proceed
Answer: C. Maintain structural stability throughout the operation
Rationale: Demolition must be sequenced so that remaining portions of the
structure remain stable until intentionally removed.
7. Which material may require special handling because of potential
asbestos content?
A. Clean untreated soil
B. Certain older insulation and building materials
Practice Exam Practice Questions And
Correct Answers (Verified Answers) Plus
Rationales 2027 Q&A | Instant
Download Pdf
1. What is the primary purpose of a pre-demolition inspection?
A. To determine the paint color
B. To identify structural conditions, hazards, utilities, and demolition
methods
C. To estimate employee wages
D. To select landscaping materials
Answer: B. To identify structural conditions, hazards, utilities, and
demolition methods
Rationale: A pre-demolition inspection establishes existing conditions and
identifies structural, environmental, utility, and safety hazards so the work
can be properly planned.
,2. Before demolition begins, which utilities should generally be
disconnected or controlled?
A. Only electrical service
B. Only water service
C. All applicable utilities, including electrical, gas, water, and
communications
D. Only telephone service
Answer: C. All applicable utilities, including electrical, gas, water, and
communications
Rationale: Uncontrolled utilities can create electrocution, fire, explosion,
flooding, and other hazards during demolition.
3. What is a major hazard associated with partially demolished structures?
A. Improved ventilation
B. Unstable structural elements and unexpected collapse
C. Reduced noise
D. Increased natural lighting
Answer: B. Unstable structural elements and unexpected collapse
,Rationale: Removing structural components can redistribute loads and
leave remaining portions unstable, creating collapse hazards.
4. What should be established around a demolition area to control access?
A. A recreational area
B. A controlled exclusion zone
C. An employee parking area
D. A storage area for office supplies
Answer: B. A controlled exclusion zone
Rationale: Barricades, fencing, signs, or other controls help keep
unauthorized personnel away from falling debris, equipment, and other
hazards.
5. Which document is particularly useful for understanding the original
structural design of a building?
A. Employee attendance sheet
B. Structural drawings or construction plans
C. Delivery receipt
D. Payroll register
, Answer: B. Structural drawings or construction plans
Rationale: Structural drawings can reveal load-bearing walls, beams,
columns, foundations, and other components that affect demolition
sequencing.
6. What is the safest general principle when removing structural
components?
A. Remove major supports first
B. Remove materials randomly
C. Maintain structural stability throughout the operation
D. Allow workers to determine the sequence as they proceed
Answer: C. Maintain structural stability throughout the operation
Rationale: Demolition must be sequenced so that remaining portions of the
structure remain stable until intentionally removed.
7. Which material may require special handling because of potential
asbestos content?
A. Clean untreated soil
B. Certain older insulation and building materials
