Who is responsible for coordinating the inspection, testing, and maintenance activities of water-based fire suppression systems?
a. monitoring company
d. inspecting contractor
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 07/09/20
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 diameter capable of supporting this main as a trapeze hanger?
b. 2-1/2 inch
c. 3 inch
d. 3-1/2 inch
Solution | Posted 07/08/20
Today starts the free daily PE sample questions along with the daily forum emails. Taking the PE Exam this fall? Great, be sure to check out the other resources around the site (PE Prep Guide, Prep Series, & the new PE Roadmap). Not taking the PE Exam? Congratulations, you have the summer all to yourself. Kick your feet up, sit back, and enjoy a steady dose of questions to test your knowledge for fun.
If the relationship below describes the growth phases of fire, what point does the arrow indicate?
b. ceiling jet creation
Solution | Posted 07/07/20
Just wanted to wish each of you taking the PE Exam tomorrow all the best of luck.
I've enjoyed putting together these daily questions, the prep guide, and the online prep series and I very much hope that they've been helpful for you!
If you ever have any comments or feedback, feel free to shoot them my way at email@example.com. Thanks for subscribing, commenting, and being a part of the community here. All the best in knocking this exam out tomorrow!
Use Alpert's Correlation to determine the maximum temperature (in degress 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 10/22/19
The activation time (in seconds) of a standard response (RTI of 85 m^1/2s^1/2), Ordinary Temperature (65 deg C) heat detector within a room that has an initial temperature of 22 deg C and exposed to a ceiling plume at 78 deg C traveling at 2.3 m/s is most nearly?
a. 10 s
b. 36 s
c. 54 s
d. 82 s
Solution | Posted 10/18/19
If Element A is a 45-minute interior door, B is a corridor, C is a 2-hour rated stair, and D is a non-rated exterior door, which element identified would be considered an exit?
a. 45-minute Interior Door A
b. Corridor B
c. 2-hour Rated Stair
d. Non-Rated Exterior Door
Solution | Posted 10/15/19
A manufacturing facility's campus water supply is fed from a 125-foot tall open atmosphere water tank. A site fire pump is located 5 feet above grade and is flowing at its rated capacity of 35 psi at 1000 gpm with 18 psi loss in the total pipe network, what will the pressure be at the pump discharge if the discharge pipe is 4 inches in diameter?
a. 48 psi
b. 56 psi
c. 64 psi
d. 71 psi
Solution | Posted 10/08/19
A high-rise building is to use a pressurized tank (half air-half water) to supply automatic sprinkler systems. If hydraulic calculations determine that 55 psi is required to supply the sprinkler system, what tank pressure is required?
a. 55 psi
b. 95 psi
c. 125 psi
d. 140 psi
Solution | Posted 10/07/19
A fire department connection may be installed by any of the following arrangements except:
a. Between the supply control valve and the system control valves for multiple sprinkler systems
b. Attached to underground system piping, between the supply control valve (at the main tap) and the system control valves (inside the building)
c. Attached to main pipe on a system (on the system side of the system control valve) for a single wet system
d. Attached to the main service between the utility tap and the entry into a fire pump room
Solution | Posted 10/02/19
A project site is connected to a water tank through an equivalent 650 feet of 6-inch schedule 10 pipe (c-factor of 140). If the water tank is 165 feet above the project site, the fire flow available at the project site is most nearly:
a. 1,300 gpm
b. 2,100 gpm
c. 2,400 gpm
d. 8,700 gpm
Solution | Posted 10/01/19
An equivalency is being developed for a building with unprotected steel W24x76 columns. Determine the fire endurance time (in minutes) for one of these columns W24x76 columns have an approximate flange and web thickness of 0.68 inches, and a flange width of 8.99 inches.
a. 4.3 minutes
b. 7.8 minutes
c. 9.7 minutes
d. 55.3 minutes
Solution | Posted 09/27/19
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 09/25/19
Subscribe and learn something new each day:
Thank You to Our Top
June 2020 Contributors!
Sprinkler Designer or Engineer?
Get all of our tools, including the Sprinkler Database, Friction Loss Calculator, Fire Pump Analyzer and more:
Daily discussions are open-ended fire protection, fire alarm, and life safety questions submitted anonymously for the benefit of sharing expertise and learning from other perspectives. Anyone can submit a question here:
2020 PE Prep Guide
PE Prep Series
2020 PE Prep Series
(Click to enlarge)
Visit July-October for daily Fire Protection PE Exam sample questions.
Solutions are posted the day after posting.
Comment with your solutions, questions or clarifications.
Please note that questions posted are unofficial and in accordance with NCEES rules are intended to be similar to actual exam questions, not actual exam questions themselves.