Fire Prevention and Protection in Construction Flashcards
6 cards from real STSC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Fire Prevention and Protection in Construction flashcards as text
What does the 'fire triangle' represent in fire prevention?
Answer: The three elements needed for fire: fuel, oxygen, and heat/ignition source
The fire triangle shows that fire requires fuel, oxygen, and heat — removing any one element extinguishes or prevents fire.
Under OSHA 29 CFR 1926.150, portable fire extinguishers on construction sites must be inspected:
Answer: At least monthly
OSHA requires that fire extinguishers be inspected monthly to ensure they are fully charged and operational.
Which fire extinguisher class is rated for fires involving flammable liquids such as gasoline, diesel fuel, and solvents?
Answer: Class B
Class B extinguishers are designed for flammable liquid fires — commonly found in construction where fuels, paints, and solvents are used.
Hot work permits are required for operations that produce sparks or flame because:
Answer: They ensure fire hazards are identified, combustibles removed, and fire watches are established before work begins
Hot work permits create a systematic process to evaluate and control ignition hazards before welding, cutting, or grinding begins.
The minimum distance for placing a portable fire extinguisher from any hazard area is:
Answer: 10 feet
OSHA requires that fire extinguishers be no more than 100 feet from a flammable liquid hazard and be placed within reach but not so close they are inaccessible during a fire.
Temporary heating equipment used in construction must be positioned so that:
Answer: Combustible materials are kept at least 3 feet from the unit and the unit has a clearance from all surfaces
Combustible materials must be kept at a safe distance from heaters to prevent ignition from radiant heat.