Which of the following installations can be acceptable for smoke detectors?
a. Wall-mounted smoke detector located 3 inches down from the ceiling
b. Smoke detector located at the bottom of a shallow beam
c. Ceiling-mounted smoke detector located 2-1/2 inches from a wall
d. Smoke detector located adjacent (1 ft) to a supply diffuser
An existing high-rise hotel project in central Florida has open exterior exit stairs. By code and local ordinances, standpipe hose connections are required to be in the stair (hose connections on the corridor next to the stair are not allowed).
Since the project is located in central Florida (with lowest one-day mean temperatures between 25-30 degrees F, according to Figure A.10.4.2(b) of NFPA 13-2016), is there any way to still use wet standpipes and route them in the stair? Doing so could involve enclosing the standpipe perhaps in a small shaft and keeping the hoses in insulated cabinets. Or in this case is the best option just to have the standpipe be dry to completely avoid any freeze potential?
Note: This is a Daily Discussion question submitted anonymously to us by a toolkit member. Discuss This Here.
A portion of a home-improvement store has K11.2 ceiling-only sprinkler protection above double row racks. The owner is looking to store bagged charcoal (without any impregnated ignition fluid or plastic wrap) atop reinforced plastic pallets in this area. What would the commodity classification be for this arrangement if no plastics are intermixed?
a. Class II
b. Class III
c. Class IV
d. Group A Plastic
Solution | Posted 06/22/18
Which of the following arrangements is not permitted for a new prison, under NFPA standards?
a. Sprinkler Protected, Type II (222) Construction, High-Rise Building
b. Sprinkler Protected, Type II (000) Construction, 3-Story Building
c. Sprinkler Protected, Type IV (2HH) Construction, 2-Story Building
d. Sprinkler Protected, Type V (000) Construction, 1-Story Building
Solution | Posted 06/21/18
Consider the following fire hydrant flow tests conducted at the same elevation:
Test A: 75 psi Static, 60 psi Residual at 1,200 gpm
Test B: 65 psi Static, 60 psi Residual at 1,800 gpm
Test C: 70 psi Static, 45 psi Residual at 1,200 gpm
Which of the following is true?
a. Test A would provide better pressure than Test B for a 1,500 sqft Light Hazard sprinkler system.
b. Test A would provide better pressure than Test B for a 3,000 sqft ESFR sprinkler system.
c. Test B would always provide better pressure than Test C for any type re sprinkler system.
d. Both a and c.
Solution | Posted 06/20/18
The Leaderboard is the total scores for the last three weeks for Weekly Exam participants.
Which of the following is typically not considered obstructed construction for fire sprinkler design?
a. concrete tees with solid members 5 inch wide and 2 ft tall
b. heavy timber construction with 4 inch solid wood beams
c. beam and girder construction with 6 inch steel beams 6 ft apart
d. panel construction with panels under 300 sqft
Solution | Posted 06/18/18
A class III commodity is encapsulated and stored on shelves within a large walk-in cooler. A dry system is being designed to serve this hazard. If the storage is anticipated to be 13 ft. in height with a 17 ft. ceiling, determine the required design density with the smallest remote area for high temperature sprinkler protection using the Control Mode Density/Area approach.
a. 0.14 gpm/sqft / 2,000 sqft
b. 0.14 gpm/sqft / 2,600 sqft
c. 0.15 gpm/sqft / 2,600 sqft
d. 0.17 gpm/sqft / 2,000 sqft
Solution | Posted 06/15/18
Inergen (IG-541) is being used for protection of several rooms which contain highly valuable historic documents. If the fire type is considered Class A and the design concentration of Inergen is provided, determine the clean agent-air mixture density.
a. 1.15 kg/cu. m
b. 1.25 kg/cu. m
c. 1.28 kg/cu. m
d. 1.44 kg/cu. m
Solution | Posted 06/14/18
Military and some college campuses require mass notification alongside fire alarm systems. What manufacturers have dual 'fire alarm' and 'alert' strobes in one appliance? Is Simplex the only one?
Note: This is a Daily Discussion question submitted anonymously to us.
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 06/13/18
Sprinklers in indoor handball & racket ball courts. Any known exceptions for sprinkler coverage? Appreciate any available insights.
If no exceptions exist, what have others done to avoid interference with the playing areas?
Note: This is a Daily Discussion question submitted anonymously to us by a toolkit member. Discuss This Here.
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 06/12/18
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 (2.2 m high ceiling) that has an initial temperature of 70 deg F and was exposed to a ceiling plume at 190 deg F traveling at 2.3 m/s. Approximately how long should it have taken the sprinkler to activate?
a. 1 seconds
b. 15 seconds
c. 23 seconds
d. 35 seconds
Solution | Posted 06/11/18
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 06/08/18
Determine the required thrust block volume (in cubic feet) for a 45-degree elbow serving a wet 6-inch schedule 10 pipe in sandy silt with a 50% safety factor added. The water within the pipe has a maximum pressure of 140 psi and the block material has a density of 150 pounds per cubic foot.
a. 28 cubic feet
b. 31 cubic feet
c. 44 cubic feet
d. 63 cubic feet
Solution | Posted 06/07/18
I'm currently working on a project for a packaging factory in which there are rooms which are used for storage of Milk and Juice in stainless steel tanks that are about 1.5 m (4.9 ft) in diameter and 8 m (26.2 ft) in height.
There are about 5-6 tanks for each area (milk and juice storage). Each room is about 70 sq.m. (753.4 sqft). The ceiling height is about 11.1 m (36.4 ft). The content combustibility (i.e. Milk & juice) is low and the quantity is high. Since the height of the tanks is above the threshold of 3.7 m (12 ft), I cannot consider it to be protected by LH or OH1 curves and it should come under storage occupancy and commodity classes.
Since my exact requirement is not present in the list of commodity classes in NFPA 13, I figured it to be Class 1 per the liquid content. Accordingly, it would be under Commodity Class 1 curve in NFPA Chapter 14 Figure 188.8.131.52 (2013 Edition) and multiplication factor for density vs storage height from Figure 184.108.40.206.
Kindly let me know if I'm on the right track or if there is something which I overlooked.
Note: This is a Daily Discussion question submitted anonymously to us by a Toolkit member. Discuss This Here.
In which of the following scenarios is neither explosion protection nor suppression system required?
a. Flammable paint warehouse mixing rooms where open transfer of paint occurs
b. Dust ventilator equipment where the dust density can be above its lower flammability limit
c. Mechanical room where service equipment is subject to explosion
d. All of the above require either explosion protection or suppression systems
Solution | Posted 06/06/18
An existing warehouse storing flammable and combustible liquids, considered high-hazard storage, has a ramp at the back of the building used for egress. If the ramp serves an egress load of 79 persons, what is the required minimum ramp width?
a. 30 inches
b. 31.6 inches
c. 39.5 inches
d. 40 inches
Solution | Posted 06/05/18
Week 1 of the Weekly Exam Series is here!
What is the Weekly Exam Series? It's is the ultimate prep tool for preparing for the Fire Protection PE Exam. The Weekly Exam is a series of timed 1-hour, 10-question simulated PE Exams offered weekly with instant grading and solutions emailed immediately following each exam.
If you're already in on the Weekly Exam Series, you can take the Week 1 Exam anytime between now and Sunday June 10th. Week 1 Results will be posted here Monday.
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A kickoff typically implies something fun, like a football game or a concert event. Most people studying for the PE Exam don't exactly look forward to spending time learning and reading through the summer. I get it.
My hope is to make the studying less painful and a little fun. Here's what is coming your way from this site in 2018:
DAILY QUESTIONS RETURN
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2018 PE PREP GUIDE NOW AVAILABLE
The 2018 PE Prep Guide is in, and now shipping worldwide. It's my most popular and best-selling resource for Fire Protection PE Exam Prep. If you're taking the SFPE PE Online Review Course, you'll see it regularly used throughout the curriculum.
If you're interested, the 2018 Guide is on sale for one more day - get 15% off when you order on or by Friday, May 25th.
Over 85% of last year's users said they used the PE Prep Guide on over half of the actual PE Exam problems. The 2018 Edition has multiple updates geared to help you pass the exam.
2018 WEEKLY EXAM SERIES STARTS JUNE 4TH
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Track your progress like never before - new this year - not only will you see your results each week compared against peers, but you'll see your results compared to those who passed and did not pass last year's exam. Track your progress each week and see where your results project on the actual PE Exam.
This year I'm thrilled to also offer repeatable, unlimited on-demand practice. For no additional cost you'll be able to take unlimited 1-hour mini exams that pulls from the largest test bank of fire protection questions currently available. This new feature begins in July.
See more about the Weekly Exam Series here.
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