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
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)
A new healthcare building is being designed with a suite with no sleeping areas and full smoke detection. What is the required construction for the corridor walls?
a. smoke partition only
b. smoke barrier only
c. 1-hour fire resistance and smoke barrier
d. none of the above
Solution | Posted 07/11/19
A remote camp facility is being planned which intends to operate seasonally. Due to the remote nature of the site and lack of easy access to nearby mains, a water storage tank is being considered to supply the site fire sprinkler systems. It is intended to have atmospheric pressure, water temperature, water level, and heating system which are all supervised by a central station. During the offseason in the winter, what is the most frequent that these components must be inspected?
Solution | Posted 07/09/19
The essence of the fire process is an exothermic reaction which releases heat and other products. Oxidation which takes place with reactants in the gas phase, as opposed to the solids phase, results primarily in what kind of combustion?
Solution | Posted 07/03/19
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
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
Solution | Posted 06/25/19
A forensic study is being prepared using a fire model to attempt to verify whether arson could be a cause. If the fire's origin room ceiling ceiling (3.3 m) has an initial temperature of approximately 22 deg C and is exposed to a plume along the ceiling at approximately 85 deg C traveling around 1.2 m/s, what is the activation time (in seconds) for a quick response (RTI of 40), Ordinary Temperature (75 deg C) sprinkler?
a. 61 s
b. 67 s
c. 210 s
d. 230 s
Solution | Posted 06/24/19
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 horizontal split-case electric fire pump is serving a seven story high rise with modifications on the upper level. If the pump is rated for 68 psi at 750 gpm (58 brake hp) and keeps a constant impeller diameter, what will the new brake horsepower be if the speed is increased from 1790 rpm to 1850 rpm?
a. 56 hp
b. 60 hp
c. 62 hp
d. 64 hp
Solution | Posted 06/20/19
A building addition is to connect two existing buildings of different construction types. Which of the following construction type arrangements is always permissible?
a. Provide the least fire-resistive construction type of the connected portions with no fire barrier separation
b. Provide 1-hour vertically aligned fire barrier wall is installed between them to create separate buildings
c. Provide any construction type for the connection portion with 2-hour fire barrier between buildings
d. none of the above
Solution | Posted 06/19/19
A hospital's patient tower has an an exit access corridor with 1/2 hour partition fire resistance rating on the first level. If the interior architect would like to provide side transoms (narrow windows) along the side of the doors that lead to the exit access corridor, what fire resistance rating must the transoms have?
a. 1/3 hour
b. 1/2 hour
c. 3/4 hour
Solution | Posted 06/8/19
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
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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