A FORUM FOR FIRE PROTECTION QUESTIONS & PE EXAM PROBLEMS | SUBSCRIBE NOW
|
A stair is 59 inches wide, with a handrail on one side with a centerline of 1.5 inches from the edge of the stair. The other side of the stair is a wall. For the purposes of calculating a specific flow, what is the effective width of the stair? a. 47 in. b. 48 in. c. 53 in. d. 59 in. Solution | Posted 09/23/19
8 Comments
The worst expected symptoms for humans when concentration of carbon monoxide reaches 1600 parts per million is which of the following: a. no adverse effects for up to 8 hours of exposure b. dizziness after 45 minutes of exposure c. nausea, headache, and dizziness after 20 minutes of exposure d. unconsciousness and danger of death after 10-15 minutes of exposure Solution | Posted 09/16/19
A theater has aisles serving its main seating area. One of the aisles has a stair 49 inches wide, with a wall and handrail on one side and fixed seating on the other. If the handrail has a center-line of 4 inches from the wall, what is the effective width of the stair? a. 35.5 in. b. 41.5 in. c. 43 in. d. 45 in. Solution | Posted 09/11/19
A fire protection consultant is providing performance-based design to justify innovative architecture design and is assessing predictive behavior during exiting. Determine the visibility (in m) for a light reflecting exit sign with smoke that is produced by flaming combustion of plastic if the smoke has a mass concentration of 0.52 grams per cubic meter. Conservatively use Mulholland and Croarkin's specific light extinction coefficient. a. 0.7 m b. 1.3 m c. 1.8 m d. 3.5 m Solution | Posted 08/20/19
If, during a fire, a total occupant load of 205 people are exiting through a building's main entry (a 7-foot double door with an effective width of 6.5 ft) and the density near the main exit door results in about 0.25 persons/sqft, the time (in minutes) it would take for all of these occupants to exit the main doors is most nearly: a. 1.5 min b. 1.6 min c. 2.2 min d. 6.3 min Solution | Posted 08/12/19
Which of the following characteristics describe limitations which may affect survivability in a fire environment, such as metabolism, lung capacity, pulmonary disease, allergies, or other physical limitations? a. mobility b. reactivity c. sensibility d. susceptibility Solution | Posted 08/05/19
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
|
Free SignupSubscribe and learn something new each day:
CommunityThank You to Our Top
June 2020 Contributors!
Your PostThe ToolkitSprinkler Designer or Engineer?
Get all of our tools, including the Sprinkler Database, Friction Loss Calculator, Fire Pump Analyzer and more: 
Filters
All
Archives
July 2020
Daily
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:
Exam Prep
2020 PE Prep Guide
(Available Now!) 
PE Prep Series
(Available Now!) 2020 PE Prep Series
Current Leaderboard (Click to enlarge) 
PE Problems
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. |
RSS Feed
