DOMAIN 1: UNIT 1: Hot Work Hazards Flashcards
(20 cards)
Which of the following is NOT a key component of a hot work program?
A) Industrial Hygiene Hazards
B) Noise Hazards
C) Electrical Safety Procedures
D) Fire Hazard Assessment
C) Electrical Safety Procedures
What essential component is missing from this hot work permit confirmation list?
1. Work Area Preparation
2. Fire Protection
3. Explosive Atmosphere Check
4. ?
5. Fire Watch Requirements
6. Post-Work Monitoring
A) Employee Training & PPE
B) Respiratory Protection
C) First Aid Training
D) Emergency Stop Mechanism
A) Employee Training & PPE
Which critical fire watch duty is missing from the list below?
-Monitoring for fire hazards during hot work
-Responding immediately to potential fires
-Maintaining a clear view of the work area
A) Fire Watch Reporting
B) Post-Work Monitoring
C) Ensuring Safe Evacuation
D) Post-Work Monitoring
B) Post-Work Monitoring
Which of the following is NOT a supervisor responsibility in hot work safety?
A) Planning & Preparation
B) Permit Compliance
C) Equipment Calibration
D) PPE Enforcement
C) Equipment Calibration
What critical hazard is missing from the following list of welding project hazards?
1. Compressed Gas Safety
2. Hazardous Metal Fumes & Dust
3. Fire & Sparks Risk
A) Electrical Safety
B) Eye & Face Protection
C) Confined Space Risks
D) Heat Stress
B) Eye & Face Protection
Which essential protective item is missing from this list of welding attire?
1. Flame-Resistant Clothing (e.g.Nomex®)
2. Leather Apron
3. Heat-Resistant Gloves
4. ?
A) Eye & Face Protection
B) Protective Footwear
C) Safety Belt
D) Respiratory Protection
A) Eye & Face Protection (Welding Helmet)
The six-hour post-work monitoring duration is intended to address:
A) Lingering Fire Risks
B) Equipment Malfunctions
C) Structural Damage
D) Electrical Hazards
A) Lingering Fire Risks
Which of the following is NOT a primary role of a fire watch during hot work?
A) Initiating emergency shutdown procedures
B) Monitoring for fire hazards
C) Responding immediately to fire threats
D) Ensuring post-work monitoring
A) Initiating emergency shutdown procedures
A hot work permit system should ensure all of the following EXCEPT:
A) Work Area Preparation
B) Fire Protection
C) Ventilation Equipment Calibration
D) Explosive Atmosphere Check
C) Ventilation Equipment Calibration
What is a supervisor’s responsibility in hot work safety that ensures compliance with safety regulations?
A) Ensuring Permit Compliance
B) Training Employees
C) Providing Proper PPE
D) Ensuring Proper Ventilation
A) Ensuring Permit Compliance
Which scenario below would NOT typically require a hot work permit?
A. Cutting through a metal pipe with a torch in a mechanical room
B. Grinding metal indoors near flammable materials
C. Drilling into concrete with a standard rotary drill
D. Welding structural beams on a construction site
✅ C. Drilling into concrete with a standard rotary drill
– This doesn’t generate sparks or flames
What is the primary purpose of the fire hazard assessment in a hot work program?
A. Ensure fire extinguishers are tagged and certified
B. Identify and remove flammable materials and assess ignition risks
C. Determine welding productivity
D. Test employee response time to a fire drill
✅ B. Identify and remove flammable materials and assess ignition risks
– This step ensures ignition sources are controlled to prevent fire.
A supervisor notices that a welder is wearing polyester under a flame-resistant outer layer. What is the BEST immediate action?
A. Allow the worker to continue
B. Instruct the worker to tuck in the shirt
C. Require removal of the polyester garment and replace with non-synthetic
D. Report the violation after work ends
✅ C. Require removal of the polyester garment and replace with non-synthetic
– Polyester can melt under heat and worsen burn injuries.
Which situation would justify pausing hot work immediately?
A. Fire watch steps away for water
B. Noise levels increase
C. Welding cable is neatly coiled
D. Supervisor inspects PPE
✅ A. Fire watch steps away for water
– Hot work must stop if no one is actively monitoring for fire risks.
Why must a fire watch remain for six hours post-hot work?
A. To complete permit paperwork
B. To cool down tools and equipment
C. To monitor for delayed ignition from hidden embers
D. To supervise cleanup
✅ C. To monitor for delayed ignition from hidden embers
– Smoldering material may cause fire hours after work ends.
Which condition most likely produces hazardous metal fumes requiring respiratory protection?
A. Welding painted or galvanized metal
B. Grinding aluminum outdoors
C. Cutting wood with a saw
D. Hammering cold steel manually
✅ A. Welding painted or galvanized metal
– These coatings emit toxic fumes like zinc oxide when burned.
What feature makes Nomex® suitable for hot work clothing?
A. It’s brightly colored
B. It resists melting and burning under heat
C. It’s cheaper than cotton
D. It retains heat well
✅ B. It resists melting and burning under heat
– Nomex is flame-resistant and doesn’t sustain combustion.
What is the MOST overlooked but essential supervisor duty during hot work?
A. Scheduling work hours
B. Verifying permit compliance
C. Reviewing lunch schedules
D. Ordering tools
✅ B. Verifying permit compliance
– Supervisors must ensure all safety checks are complete before work begins.
What risk arises from failing to secure compressed gas cylinders during welding?
A. Air conditioning issues
B. Cylinder tip-over causing damage or explosion
C. Slow gas flow
D. Label damage
✅ B. Cylinder tip-over causing damage or explosion
– Unsecured cylinders can become dangerous projectiles.
A worker is grinding metal indoors with flammable paper nearby. What is the BEST control action? A. Sweep the floor B. Wet the paper C. Remove the paper before beginning D. Assign someone to watch the paper
✅ C. Remove the paper before beginning – Eliminate flammable hazards before starting hot work.
