Demolition Operations Technician
Certification Practice Exam Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A Instant
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1. What is the primary purpose of a pre-demolition survey?
A. Estimate project cost
B. Identify hazardous materials
C. Schedule labor
D. Order equipment
Answer: Identify hazardous materials
Rationale: Pre-demolition surveys focus on locating hazards such as
asbestos, lead, and structural risks to ensure safe demolition.
2. Which material is most commonly associated with asbestos hazards?
A. Concrete
B. Steel
C. Insulation
D. Glass
Answer: Insulation
Rationale: Asbestos was widely used in insulation materials due to its fire-
resistant properties.
,3. What is the first step before starting demolition work?
A. Equipment mobilization
B. Worker briefing
C. Utility disconnection
D. Site cleanup
Answer: Utility disconnection
Rationale: Disconnecting utilities prevents fires, electrocution, and
flooding hazards.
4. Which PPE is essential when handling hazardous dust?
A. Gloves
B. Hard hat
C. Respirator
D. Safety boots
Answer: Respirator
Rationale: Respirators protect workers from inhaling hazardous airborne
particles.
5. What type of demolition involves removing a structure piece by piece?
A. Implosion
B. Mechanical demolition
C. Selective demolition
D. Explosive demolition
Answer: Selective demolition
Rationale: Selective demolition carefully removes specific components
without destroying the entire structure.
6. Which tool is commonly used for concrete breaking?
A. Drill
B. Jackhammer
C. Saw
D. Grinder
Answer: Jackhammer
Rationale: Jackhammers are designed to break concrete efficiently.
, 7. What is the purpose of shoring?
A. Increase demolition speed
B. Support unstable structures
C. Remove debris
D. Cut materials
Answer: Support unstable structures
Rationale: Shoring prevents collapse during demolition activities.
8. Which hazard is most associated with demolition?
A. Chemical spills
B. Structural collapse
C. Electrical faults
D. Radiation
Answer: Structural collapse
Rationale: The greatest risk in demolition is uncontrolled structural
failure.
9. What should be done with salvageable materials?
A. Burned
B. Buried
C. Reused or recycled
D. Discarded immediately
Answer: Reused or recycled
Rationale: Salvaging materials reduces waste and supports sustainability.
10.Which document outlines demolition procedures?
A. Safety Data Sheet
B. Demolition plan
C. Work order
D. Inspection report
Answer: Demolition plan
Rationale: The demolition plan details methods, sequencing, and safety
controls.
Certification Practice Exam Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A Instant
Download Pdf
1. What is the primary purpose of a pre-demolition survey?
A. Estimate project cost
B. Identify hazardous materials
C. Schedule labor
D. Order equipment
Answer: Identify hazardous materials
Rationale: Pre-demolition surveys focus on locating hazards such as
asbestos, lead, and structural risks to ensure safe demolition.
2. Which material is most commonly associated with asbestos hazards?
A. Concrete
B. Steel
C. Insulation
D. Glass
Answer: Insulation
Rationale: Asbestos was widely used in insulation materials due to its fire-
resistant properties.
,3. What is the first step before starting demolition work?
A. Equipment mobilization
B. Worker briefing
C. Utility disconnection
D. Site cleanup
Answer: Utility disconnection
Rationale: Disconnecting utilities prevents fires, electrocution, and
flooding hazards.
4. Which PPE is essential when handling hazardous dust?
A. Gloves
B. Hard hat
C. Respirator
D. Safety boots
Answer: Respirator
Rationale: Respirators protect workers from inhaling hazardous airborne
particles.
5. What type of demolition involves removing a structure piece by piece?
A. Implosion
B. Mechanical demolition
C. Selective demolition
D. Explosive demolition
Answer: Selective demolition
Rationale: Selective demolition carefully removes specific components
without destroying the entire structure.
6. Which tool is commonly used for concrete breaking?
A. Drill
B. Jackhammer
C. Saw
D. Grinder
Answer: Jackhammer
Rationale: Jackhammers are designed to break concrete efficiently.
, 7. What is the purpose of shoring?
A. Increase demolition speed
B. Support unstable structures
C. Remove debris
D. Cut materials
Answer: Support unstable structures
Rationale: Shoring prevents collapse during demolition activities.
8. Which hazard is most associated with demolition?
A. Chemical spills
B. Structural collapse
C. Electrical faults
D. Radiation
Answer: Structural collapse
Rationale: The greatest risk in demolition is uncontrolled structural
failure.
9. What should be done with salvageable materials?
A. Burned
B. Buried
C. Reused or recycled
D. Discarded immediately
Answer: Reused or recycled
Rationale: Salvaging materials reduces waste and supports sustainability.
10.Which document outlines demolition procedures?
A. Safety Data Sheet
B. Demolition plan
C. Work order
D. Inspection report
Answer: Demolition plan
Rationale: The demolition plan details methods, sequencing, and safety
controls.
