STSC Fire Prevention and Protection in Construction 2

Question 1

What does the 'fire triangle' represent in fire prevention?

Accepted Answer

The three elements needed for fire: fuel, oxygen, and heat/ignition source

Answer

Three types of fire extinguishers

Answer

Three OSHA fire safety standards

Answer

Three categories of fire hazards

Question 2

Under OSHA 29 CFR 1926.150, portable fire extinguishers on construction sites must be inspected:

Accepted Answer

At least monthly

Answer

Only at the beginning of each project

Answer

Annually by the manufacturer

Answer

After every use

Question 3

Which fire extinguisher class is rated for fires involving flammable liquids such as gasoline, diesel fuel, and solvents?

Accepted Answer

Class B

Answer

Class A

Answer

Class C

Answer

Class D

Question 4

Hot work permits are required for operations that produce sparks or flame because:

Accepted Answer

They ensure fire hazards are identified, combustibles removed, and fire watches are established before work begins

Answer

They are an OSHA record-keeping requirement

Answer

They document equipment calibration

Answer

They are required by the fire marshal for all construction sites

Question 5

The minimum distance for placing a portable fire extinguisher from any hazard area is:

Accepted Answer

10 feet

Answer

5 feet

Answer

25 feet

Answer

50 feet

Question 6

Temporary heating equipment used in construction must be positioned so that:

Accepted Answer

Combustible materials are kept at least 3 feet from the unit and the unit has a clearance from all surfaces

Answer

It faces north to improve efficiency

Answer

Workers can stand directly next to it for warmth

Answer

It is connected to the permanent electrical system