Practice Questions

Which NFPA Standard provides requirements for the storage and handling of aluminum powders, flakes, and pastes?

• 491
• 484
• 495
• 472

What is the required duration for a required fire flow rale of 4000 gpm (15,140 L/min)?

• 2 hours
• 3 hours
• 4 hours
• 5 hours

Which gaseous extinguishing agent requites occupants be able to egress an occupied space before discharge it to extinguish a fire?

• Carbon dioxide
• Pentafluoroethane (HFC-125)
• Argon (IG-100)
• Nitrogen (IG-100)

What is me minimum number of cycles used for joint system movement testing of a Class ll firestopping system?

• 10 cycles
• 30 cycles
• 100 cycles
• 500 cycles

Which smoke detector type contains a small amount of radioactive material and functions by sensing a decrease in conductance of the air when smoke particles enter the chamber?

• Photoelectric
• Cloud chamber air sampling
• Light scattering
• lonization

The types of overspray collectors associated with spray booths can be categorized into venturi scrubbers, waterfall scrubbers, dry filter, and

• cartridge filter.
• cyclone separator.
• bafle maze.
• vertical oscillator.

What type of property classifications experience the majority of fire deaths in the United States?

• Business
• Educational
• Public Assembly
• One- and two-family dwellings

In a large-scale test organized by the Fire Protection Research Foundation (FPRF) to study the interaction betweensprinklers, roof vents, and draft curtains, what factor made the test results difficult to interpret for use in field applications?

• External environmental forces on the test building
• The number of vents used during the tests
• The use of an exhaust to an abatement system
• The controlled nature of the tests

Environmental Protection Agency standards require solid waste be treated as hazardous if it is a listed waste and/ormeets the characteristics prescribed by the standard for toxicity, reactivity, corrosivity, and

• solubility.
• compactability.
• ignitability.
• treatability.

Which is the hydrostatic pressure test interval that NFPA 10 requires for dry chemical stored pressure portable extinguisher with mild steel shells, brazed brass shells, or aluminum shells?

• 1 year
• 5 years
• 6 years
• 12 years