CHST CHST - Construction Health and Safety Technician Emergency and Fire Preparedness Questions and Answers 2 — Questions and Answers
Question 1: What is the primary purpose of a fire watch on a construction site after hot work operations have been completed?
- To ensure no smoldering materials reignite after the work is finished (Correct answer)
- To supervise the hot work permit process
- To inspect fire extinguisher maintenance tags
- To train workers on evacuation procedures
Correct answer: To ensure no smoldering materials reignite after the work is finished
A fire watch monitors the area for at least 30 minutes after hot work to detect and extinguish any smoldering materials that could reignite.
Question 2: According to OSHA standards, what is the minimum number of exit routes required for most construction workplaces?
- One
- Two (Correct answer)
- Three
- Four
Correct answer: Two
OSHA requires at least two exit routes in a workplace to ensure workers can evacuate even if one route is blocked.
Question 3: Which class of fire involves energized electrical equipment?
- Class A
- Class B
- Class C (Correct answer)
- Class D
Correct answer: Class C
Class C fires involve energized electrical equipment, and using water on them can cause electrocution.
Question 4: What should be the first action of a construction worker who discovers a fire that cannot be immediately controlled with a portable extinguisher?
- Attempt to fight the fire with available materials
- Activate the fire alarm and evacuate the area (Correct answer)
- Search for a larger extinguisher
- Continue working and monitor the fire
Correct answer: Activate the fire alarm and evacuate the area
When a fire cannot be immediately controlled, the priority is to alert others by activating the alarm and evacuating to prevent injuries.
Question 5: How often must emergency action plans be reviewed with employees on a construction site per OSHA requirements?
- Monthly
- Quarterly
- Annually or when the plan changes (Correct answer)
- Only during initial hiring
Correct answer: Annually or when the plan changes
OSHA requires that emergency action plans be reviewed with each employee when the plan is initially developed and whenever the plan changes.
Question 6: What is the PASS technique used for when operating a fire extinguisher?
- A method for inspecting fire suppression systems
- A sequence for properly discharging a portable fire extinguisher (Correct answer)
- A procedure for evacuating multi-story buildings
- A protocol for reporting fire incidents
Correct answer: A sequence for properly discharging a portable fire extinguisher
PASS stands for Pull the pin, Aim at the base, Squeeze the handle, and Sweep side to side, which is the correct technique for using a portable fire extinguisher.
CHST CHST - Construction Health and Safety Technician Emergency and Fire Preparedness Questions and Answers 2
What is the primary purpose of a fire watch on a construction site after hot work operations have been completed?