CNMI Demolition Contractor Licensing
Exam | Questions And Answers [ plus
Rationales] | Qs & Ans 2026/27 | Graded A
1. What is the primary purpose of a demolition plan?
A. Increase project costs
B. Decorate the worksite
C. Outline safe and organized demolition procedures
D. Eliminate inspections
Rationale: A demolition plan identifies hazards, methods, sequencing, and
safety requirements.
2. Which agency commonly regulates workplace safety for demolition
operations in U.S. territories?
A. NASA
B. FAA
C. OSHA
D. Coast Guard
Rationale: OSHA establishes safety regulations for demolition and
construction work.
3. Before demolition begins, what must be disconnected or controlled?
,A. Landscaping only
B. Interior paint finishes
C. Utilities such as gas, water, and electricity
D. Office furniture
Rationale: Utility disconnection prevents explosions, flooding, and
electrocution.
4. What is the primary hazard associated with asbestos-containing
materials?
A. Fire hazard only
B. Noise exposure
C. Respiratory disease from airborne fibers
D. Electrical shock
Rationale: Inhaled asbestos fibers can cause severe lung diseases.
5. Which personal protective equipment is essential on demolition sites?
A. Sandals
B. Loose clothing
C. Hard hats, eye protection, and safety boots
D. Casual shoes
Rationale: PPE protects workers from falling debris and other hazards.
,6. What is selective demolition?
A. Demolishing entire neighborhoods
B. Using explosives only
C. Carefully removing specific building components
D. Ignoring recycling requirements
Rationale: Selective demolition preserves portions of structures or materials.
7. Which hazard is most associated with structural instability during
demolition?
A. Improved ventilation
B. Reduced noise
C. Unexpected collapse
D. Lower dust levels
Rationale: Damaged or weakened structures can collapse unexpectedly.
8. What is the purpose of a pre-demolition survey?
A. Increase demolition speed
B. Reduce equipment inspections
C. Identify hazards and structural conditions
D. Select paint colors
Rationale: Surveys help plan safe demolition operations.
, 9. Which type of fire extinguisher is suitable for electrical fires?
A. Class A only
B. Water hose only
C. Class C fire extinguisher
D. Sand bucket only
Rationale: Class C extinguishers are designed for energized electrical
equipment.
10. What is one common method for controlling demolition dust?
A. Increased vehicle traffic
B. Removing barriers
C. Water spraying or misting
D. Disabling ventilation systems
Rationale: Water suppresses airborne dust particles.
11. Which equipment is commonly used for heavy structural demolition?
A. Lawn mower
B. Paint roller
C. Excavator with demolition attachment
D. Carpet cleaner
Rationale: Excavators efficiently break and remove structural materials.
Exam | Questions And Answers [ plus
Rationales] | Qs & Ans 2026/27 | Graded A
1. What is the primary purpose of a demolition plan?
A. Increase project costs
B. Decorate the worksite
C. Outline safe and organized demolition procedures
D. Eliminate inspections
Rationale: A demolition plan identifies hazards, methods, sequencing, and
safety requirements.
2. Which agency commonly regulates workplace safety for demolition
operations in U.S. territories?
A. NASA
B. FAA
C. OSHA
D. Coast Guard
Rationale: OSHA establishes safety regulations for demolition and
construction work.
3. Before demolition begins, what must be disconnected or controlled?
,A. Landscaping only
B. Interior paint finishes
C. Utilities such as gas, water, and electricity
D. Office furniture
Rationale: Utility disconnection prevents explosions, flooding, and
electrocution.
4. What is the primary hazard associated with asbestos-containing
materials?
A. Fire hazard only
B. Noise exposure
C. Respiratory disease from airborne fibers
D. Electrical shock
Rationale: Inhaled asbestos fibers can cause severe lung diseases.
5. Which personal protective equipment is essential on demolition sites?
A. Sandals
B. Loose clothing
C. Hard hats, eye protection, and safety boots
D. Casual shoes
Rationale: PPE protects workers from falling debris and other hazards.
,6. What is selective demolition?
A. Demolishing entire neighborhoods
B. Using explosives only
C. Carefully removing specific building components
D. Ignoring recycling requirements
Rationale: Selective demolition preserves portions of structures or materials.
7. Which hazard is most associated with structural instability during
demolition?
A. Improved ventilation
B. Reduced noise
C. Unexpected collapse
D. Lower dust levels
Rationale: Damaged or weakened structures can collapse unexpectedly.
8. What is the purpose of a pre-demolition survey?
A. Increase demolition speed
B. Reduce equipment inspections
C. Identify hazards and structural conditions
D. Select paint colors
Rationale: Surveys help plan safe demolition operations.
, 9. Which type of fire extinguisher is suitable for electrical fires?
A. Class A only
B. Water hose only
C. Class C fire extinguisher
D. Sand bucket only
Rationale: Class C extinguishers are designed for energized electrical
equipment.
10. What is one common method for controlling demolition dust?
A. Increased vehicle traffic
B. Removing barriers
C. Water spraying or misting
D. Disabling ventilation systems
Rationale: Water suppresses airborne dust particles.
11. Which equipment is commonly used for heavy structural demolition?
A. Lawn mower
B. Paint roller
C. Excavator with demolition attachment
D. Carpet cleaner
Rationale: Excavators efficiently break and remove structural materials.
