Demolition Operations Technician
Certification Exam With Actual
Questions & Verified Answers, Plus
Explained Rationales/Expert Verified
For Guaranteed 100% Pass 2026/Latest
Update/Instant Download Pdf
1. What is the primary purpose of a pre-demolition survey?
A. To estimate project costs
B. To identify hazards and materials that require special
handling
C. To schedule labor
D. To remove debris
Rationale: A pre-demolition survey identifies hazards such as
asbestos, lead, structural weaknesses, and other materials needing
special handling before demolition begins.
2. Which OSHA standard is most relevant to demolition work?
A. 1910 Subpart I
B. 1926 Subpart P
C. 1926 Subpart T
D. 1910 Subpart D
Rationale: OSHA 1926 Subpart T covers demolition, including
structural integrity, safety, and protective measures.
, 3. What is the minimum clearance distance from a building before
using explosives in demolition?
A. 5 feet
B. 10 feet
C. 25 feet
D. Depends on building size and type; must follow regulatory
guidelines
Rationale: Clearance distances vary based on building size, explosive
type, and local regulations; adherence to calculated safety distances is
mandatory.
4. Which of the following personal protective equipment is required
during demolition operations?
A. Safety shoes
B. Hard hats
C. Eye protection
D. All of the above
Rationale: Demolition work involves risks like falling debris, dust, and
sharp objects; comprehensive PPE is mandatory.
5. What is the purpose of a “controlled demolition”?
A. To remove debris quickly
B. To bring down a structure safely while minimizing damage to
surrounding areas
C. To reduce labor costs
D. To increase explosion size
Rationale: Controlled demolition ensures the structure collapses
predictably, protecting workers and adjacent property.
6. Before cutting structural steel, what is a critical safety step?
A. Wetting the steel
, B. Confirming load removal and structural stability
C. Painting the steel
D. Installing temporary scaffolding
Rationale: Structural steel may support loads; verifying that loads are
removed prevents unintended collapses.
7. What is the primary hazard when demolishing a building with
asbestos-containing materials?
A. Electrical shock
B. Fire
C. Respiratory exposure to asbestos fibers
D. Slips and falls
Rationale: Disturbing asbestos can release fibers into the air, which
are hazardous when inhaled.
8. Which type of demolition is typically fastest?
A. Manual demolition
B. Mechanical demolition
C. Explosive demolition
D. Soft-stripping
Rationale: Explosive demolition can bring down a structure in seconds
when carefully planned.
9. What does a demolition plan typically include?
A. Hazard assessment
B. Methodology
C. Sequence of operations
D. All of the above
Rationale: A complete demolition plan ensures safety and efficiency
by detailing hazards, methods, and sequencing.
Certification Exam With Actual
Questions & Verified Answers, Plus
Explained Rationales/Expert Verified
For Guaranteed 100% Pass 2026/Latest
Update/Instant Download Pdf
1. What is the primary purpose of a pre-demolition survey?
A. To estimate project costs
B. To identify hazards and materials that require special
handling
C. To schedule labor
D. To remove debris
Rationale: A pre-demolition survey identifies hazards such as
asbestos, lead, structural weaknesses, and other materials needing
special handling before demolition begins.
2. Which OSHA standard is most relevant to demolition work?
A. 1910 Subpart I
B. 1926 Subpart P
C. 1926 Subpart T
D. 1910 Subpart D
Rationale: OSHA 1926 Subpart T covers demolition, including
structural integrity, safety, and protective measures.
, 3. What is the minimum clearance distance from a building before
using explosives in demolition?
A. 5 feet
B. 10 feet
C. 25 feet
D. Depends on building size and type; must follow regulatory
guidelines
Rationale: Clearance distances vary based on building size, explosive
type, and local regulations; adherence to calculated safety distances is
mandatory.
4. Which of the following personal protective equipment is required
during demolition operations?
A. Safety shoes
B. Hard hats
C. Eye protection
D. All of the above
Rationale: Demolition work involves risks like falling debris, dust, and
sharp objects; comprehensive PPE is mandatory.
5. What is the purpose of a “controlled demolition”?
A. To remove debris quickly
B. To bring down a structure safely while minimizing damage to
surrounding areas
C. To reduce labor costs
D. To increase explosion size
Rationale: Controlled demolition ensures the structure collapses
predictably, protecting workers and adjacent property.
6. Before cutting structural steel, what is a critical safety step?
A. Wetting the steel
, B. Confirming load removal and structural stability
C. Painting the steel
D. Installing temporary scaffolding
Rationale: Structural steel may support loads; verifying that loads are
removed prevents unintended collapses.
7. What is the primary hazard when demolishing a building with
asbestos-containing materials?
A. Electrical shock
B. Fire
C. Respiratory exposure to asbestos fibers
D. Slips and falls
Rationale: Disturbing asbestos can release fibers into the air, which
are hazardous when inhaled.
8. Which type of demolition is typically fastest?
A. Manual demolition
B. Mechanical demolition
C. Explosive demolition
D. Soft-stripping
Rationale: Explosive demolition can bring down a structure in seconds
when carefully planned.
9. What does a demolition plan typically include?
A. Hazard assessment
B. Methodology
C. Sequence of operations
D. All of the above
Rationale: A complete demolition plan ensures safety and efficiency
by detailing hazards, methods, and sequencing.
