White Oak wood having a density of 450, moisture-content of 25% is exposed to a standard fire (ASTM E119) test for 2 hours. What is the expected char depth most nearly? a. 1 mm b. 64 mm c. 72 mm d. 224 mm Solution | Posted 08/13/19
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An opening within a smoke partition for air transfer requires what type of protective device? a. fire/smoke damper, minimum 45 minute rating b. fire/smoke damper, minimum 1.5 hour rating c. smoke damper, minimum 250 F rated d. smoke damper, minimum 350 F rated Solution | Posted 08/08/19
A liquid storage tank rupture results in a fire containing an open 45 gallon (130 kg) tank containing animal fat. Using gross heat of combustion, estimate the time it would take to burn the remaining fuel without interruption if the tank is half filled and the fire is approximately 2.45 MW. a. 1.2 seconds b. 11 minutes c. 18 minutes d. 17.6 hours Solution | Posted 08/06/19
A mid dermal, or full-thickness skin burn of 700 μm would be classified as a burn of what degree? a. 1st degree b. 2nd degree c. 3rd degree d. 4th degree Solution | Posted 08/02/19
Which of the following would not require a fire alarm system? a. A new second-floor tenant insurance sales office of 60 people b. An existing four-story fraternity house of 70 people c. A single-story 80,000 sqft high-hazard warehouse of 90 people d. A new single-story 35,000 sqft Class A department store Solution | Posted 07/31/19
Which of the following plastics has the lowest decomposition temperature? a. PBT (polybutylene terephthalate) b. PET (polyethylene terephthalate) c. PMMA (polymethyl methacrylate) d. PTFE (polytetrafluoro ethylene) Solution | Posted 07/29/19
A starch processing facility handles and processes starch dust. The plant's process has equipment which, under mechanical failure, could produce combustible dust in some areas of the facility. What type of truck would be permitted in these areas of the facility? a. Electrical Type EE b. Electrical Type ES c. Diesel Type DY d. Gasoline Type GS Solution | Posted 07/29/19
Balance the following combustion equation for hexane: C6H14 + (O2 + 3.76N2) = CO2 + H2O + N2 a. C6H14 + 6(O2 + 3.76N2) = 6CO2 + 7H2O + 6(3.76)N2 b. C6H14 + 19(O2 + 3.76N2) = 6CO2 + 7H2O + 6(3.76)N2 c. C6H14 + 19(O2 + 3.76N2) = 12CO2 + 14H2O + 19(3.76)N2 d. 2C6H14 + 19(O2 + 3.76N2) = 12CO2 + 14H2O + 19(3.76)N2 Solution | Posted 07/24/19
The amount of energy required to raise the temperature of 1 kg of fluid by 1 deg C is: a. Conduction Coefficient b. Enthalpy c. Entropy d. Specific Heat Solution | Posted 07/23/19
Which of the following is not a preferred interface between fire alarm and smoke control systems due to the requirement for equipment to be listed as compatible? a. Equipment connected to Building Automation/Management System, which is connected to Fire Alarm by network connection b. Equipment connected to Building Automation/Management System, which is connected to Fire Alarm by electrical contact/relays c. Digital Control Equipment connected directly to Fire Alarm System via network connection d. Mechanical Equipment connected directly to Fire Alarm System via contacts/relays Solution | Posted 07/19/19
Of the following substances, which would have the greatest total heat output for the same amount of mass? a. ethane b. methanol c. toulene d. vinyl acetate Solution | Posted 07/18/19
A forensic investigator is trying to determine approximate timing of events after a fire within a hospital basement. A quick response sprinkler (RTI of 50 m^1/2s^1/2), Ordinary Temperature (65 deg C) was within a room (2.1 m high ceiling) that has an initial temperature of 73 deg F and was exposed to a ceiling plume at 205 deg F traveling at 1.3 m/s. Approximately how long should it have taken the sprinkler to activate? a. 2 s b. 16 s c. 33 s d. 38 s Solution | Posted 07/16/19
An elementary school must perform a fire drill at least: a. Once per month b. Once every other month c. Once per semester (twice each year) d. Once per year Where an industrial application involves some uncertainty and deviation from standard practice and prescriptive code, but is without large uncertainties or extremely challenging applications, which of the following risk assessment approaches would be most appropriate? a. Layer of protection analysis (FPS-LOPA) b. Prescriptive standard application c. Quantitative Risk Assessment (QRA) d. Human reliability analysis (HRA) Solution | Posted 09/16/19
Historically, places of assembly have had major loss of life due to what unique building elements? a. combustible loads that aid in rapid fire growth b. inadequate exiting c. overcrowding d. all of the above Solution | Posted 07/10/19
A trench is built to handle overflow of heavy oil from a common garage workspace area to a containment tank. Determine the flame height (in meters) for an open linear fire (130 kW/m) within this trench. a. 0.44 m b. 0.87 m c. 2.2 m d. 25.7 m Solution | Posted 07/09/19
A fire alarm system containing horn/strobes, manual pull stations, fire sprinkler monitoring, and heat detectors would be considered what type of fire alarm system? a. manual, temporal-3 b. manual and automatic, temporal-3 c. manual, emergency voice/alarm communication d. manual and automatic, emergency voice/alarm communication Solution | Posted 07/01/19
A secondary containment tank is constructed to handle overflow from fuel in a storage area. If a 540 kW/m fire occurs from the fuel in the trench, determine most nearly the flame height. a. 1.1 m b. 2.3 m c. 4.6 m d. 11 m Solution | Posted 06/28/19
Use Alpert's Correlation to determine the maximum temperature (in degrees Celsius) of a ceiling jet at a point 1.3 meters (horizontally) from a 1.8 MW fire which burns within a 2.2 m tall room. Assume an ambient temperature of 22 deg C. a. 25 deg C b. 78 deg C c. 326 deg C d. 384 deg C Solution | Posted 06/27/19
A new community college building contains 26,000 sqft of small instructional classrooms, an entry lobby, restrooms, offices, and a 15,000 sqft auditorium is considered what type of occupancy? a. Group A, Assembly b. Group B, Business c. Group E, Education d. Mixed Use Solution | Posted 06/26/19
A 52 ft long by 22 ft wide by 10 ft tall space contains high value historic newspapers in pervious metal storage. If the space is to be kept at 72 deg F and has fixed structures of 194 cubic feet, what minimum quantity of FM-200 agent would be required to protect the space in a full flood application if the design concentration is 6.7%? a. 340 lb b. 364 lb c. 437 lb d. Other Solution | Posted 06/25/19
What is the minimum flammable & combustible liquid standard recommended spacing between an outdoor 120-foot diameter floating roof liquid storage tank of 7,000 barrels and a 100-foot diameter refrigerated dome roof storage tank? a. 100 feet b. 180 feet c. 200 feet d. 240 feet Solution | Posted 06/21/19
A 4-inch schedule 40 main is routed parallel in-between two beams and requires a trapeze hanger. The main is 2 ft. from one beam and 8.5 ft from the other for a total span of 10.5 ft. What is the smallest schedule 10 pipe capable of supporting this main as a trapeze hanger? a. 2 inch b. 2-1/2 inch c. 3 inch d. 3-1/2 inch Solution | Posted 06/17/19
The pressure gradient that causes a liquid to move through the intake line to the pump impeller is: a. Total static head b. Net positive suction head c. Net discharge head d. Rated head Solution | Posted 06/14/19
A new Type II (000) construction facility without exposure protection is being designed to be built on an industrial campus. If Class II liquids are planned to be handled and dispensed regularly within the facility, what minimum distance from an adjacent, build-able property must the building allow? a. 5 feet b. 10 feet c. 25 feet d. 50 feet Solution | Posted 06/13/19
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