AL DW DEMOLITION & WRECKING CONTRACTOR
EXAM QUESTIONS AND CORRECT ANSWERS
(VERIFED ANSWERS) Q&A 2027 |INSTANT
DOWNLOAD PDF
1. What is the primary purpose of a pre-demolition
inspection?
A. Determine the paint color
B. Identify structural, utility, hazardous-material, and site
hazards
C. Select employee uniforms
D. Estimate office expenses
Correct Answer: B. Identify structural, utility, hazardous-
material, and site hazards
Rationale: A thorough pre-demolition inspection helps identify
conditions that could endanger workers, the public, or nearby
property before work begins.
2. Before demolition begins, which utility should be verified as
disconnected or properly controlled?
A. Water
B. Gas
C. Electricity
D. All of the above
Correct Answer: D. All of the above
,Rationale: Utilities can create serious hazards during
demolition. Gas, electrical, water, sewer, and other services
should be identified and appropriately disconnected, isolated,
or protected.
3. What is a major hazard associated with uncontrolled
structural collapse?
A. Excessive lighting
B. Falling debris and unstable structures
C. Low office productivity
D. Increased landscaping costs
Correct Answer: B. Falling debris and unstable structures
Rationale: Unexpected collapse can crush workers, damage
surrounding property, and send debris beyond the work area.
4. What should be established around a demolition site to
protect unauthorized persons?
A. A designated exclusion zone
B. A picnic area
C. A parking lot
D. A storage office
Correct Answer: A. A designated exclusion zone
Rationale: Barricades, fencing, signs, and controlled access help
prevent unauthorized entry into hazardous areas.
,5. Which document is particularly important for identifying
known asbestos-containing materials before demolition?
A. Building inventory or hazardous-material survey
B. Employee attendance sheet
C. Equipment fuel log
D. Payroll report
Correct Answer: A. Building inventory or hazardous-material
survey
Rationale: Hazardous-material surveys help identify materials
that require specialized handling, removal, or regulatory
controls.
6. What is the safest approach when a demolition worker
discovers an unidentified suspicious material?
A. Disturb it to determine what it is
B. Burn it
C. Stop and have it evaluated by qualified personnel
D. Put it in ordinary trash
Correct Answer: C. Stop and have it evaluated by qualified
personnel
Rationale: Unknown materials may contain asbestos, lead,
chemicals, or other hazards and should not be disturbed
without appropriate evaluation.
, 7. What is the purpose of a demolition plan?
A. To determine employee vacation schedules
B. To establish the sequence and methods for safely removing
the structure
C. To select company advertising
D. To calculate office rent
Correct Answer: B. To establish the sequence and methods for
safely removing the structure
Rationale: A demolition plan identifies methods, sequencing,
equipment, hazards, controls, and responsibilities.
8. Which factor is especially important when determining the
demolition sequence?
A. Structural stability
B. Employee birthdays
C. Company logo design
D. Office furniture
Correct Answer: A. Structural stability
Rationale: Demolition should proceed in a controlled sequence
that prevents unintended collapse.
9. Why should adjacent buildings be evaluated before
demolition?
EXAM QUESTIONS AND CORRECT ANSWERS
(VERIFED ANSWERS) Q&A 2027 |INSTANT
DOWNLOAD PDF
1. What is the primary purpose of a pre-demolition
inspection?
A. Determine the paint color
B. Identify structural, utility, hazardous-material, and site
hazards
C. Select employee uniforms
D. Estimate office expenses
Correct Answer: B. Identify structural, utility, hazardous-
material, and site hazards
Rationale: A thorough pre-demolition inspection helps identify
conditions that could endanger workers, the public, or nearby
property before work begins.
2. Before demolition begins, which utility should be verified as
disconnected or properly controlled?
A. Water
B. Gas
C. Electricity
D. All of the above
Correct Answer: D. All of the above
,Rationale: Utilities can create serious hazards during
demolition. Gas, electrical, water, sewer, and other services
should be identified and appropriately disconnected, isolated,
or protected.
3. What is a major hazard associated with uncontrolled
structural collapse?
A. Excessive lighting
B. Falling debris and unstable structures
C. Low office productivity
D. Increased landscaping costs
Correct Answer: B. Falling debris and unstable structures
Rationale: Unexpected collapse can crush workers, damage
surrounding property, and send debris beyond the work area.
4. What should be established around a demolition site to
protect unauthorized persons?
A. A designated exclusion zone
B. A picnic area
C. A parking lot
D. A storage office
Correct Answer: A. A designated exclusion zone
Rationale: Barricades, fencing, signs, and controlled access help
prevent unauthorized entry into hazardous areas.
,5. Which document is particularly important for identifying
known asbestos-containing materials before demolition?
A. Building inventory or hazardous-material survey
B. Employee attendance sheet
C. Equipment fuel log
D. Payroll report
Correct Answer: A. Building inventory or hazardous-material
survey
Rationale: Hazardous-material surveys help identify materials
that require specialized handling, removal, or regulatory
controls.
6. What is the safest approach when a demolition worker
discovers an unidentified suspicious material?
A. Disturb it to determine what it is
B. Burn it
C. Stop and have it evaluated by qualified personnel
D. Put it in ordinary trash
Correct Answer: C. Stop and have it evaluated by qualified
personnel
Rationale: Unknown materials may contain asbestos, lead,
chemicals, or other hazards and should not be disturbed
without appropriate evaluation.
, 7. What is the purpose of a demolition plan?
A. To determine employee vacation schedules
B. To establish the sequence and methods for safely removing
the structure
C. To select company advertising
D. To calculate office rent
Correct Answer: B. To establish the sequence and methods for
safely removing the structure
Rationale: A demolition plan identifies methods, sequencing,
equipment, hazards, controls, and responsibilities.
8. Which factor is especially important when determining the
demolition sequence?
A. Structural stability
B. Employee birthdays
C. Company logo design
D. Office furniture
Correct Answer: A. Structural stability
Rationale: Demolition should proceed in a controlled sequence
that prevents unintended collapse.
9. Why should adjacent buildings be evaluated before
demolition?
