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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 joe@meyerfire.com. Thanks for subscribing, commenting, and being a part of the community here. All the best in knocking this exam out tomorrow! Determine the flow (in gpm) through an extended coverage pendent K16.8 sprinkler at 85 psi. a. 52 gpm b. 155 gpm c. 348 gpm d. 1428 gpm Solution | Posted 10/23/19
Which of the following types of pipe would require the most hangers for the same length of 1-1/2" pipe? a. CPVC b. Copper Tube c. Steel other than Threaded Lightwall d. Threaded Lightwall Steel Solution | Posted 10/16/19
Which of the following would be considered a typical fire load for a bedroom? a. 0.4 - 0.8 lb/sqft b. 3.2 - 5.5 lb/sqft c. 11 - 14 lb/sqft d. 43 - 48 lb/sqft Solution | Posted 10/11/19
A fire pump's speed is altered from 1760 to 1800 rpm. What is the new head if the original was 120 ft? a. 115 ft. b. 123 ft. c. 126 ft. d. 128 ft. Solution | Posted 10/09/19
What is the greatest allowed spacing among all pipe sizes between hangers for CPVC pipe in fire sprinkler systems? a. 6'-0" b. 9'-0" c. 10'-0" d. 12'-0" Solution | Posted 10/04/19
Which of the following agents are not used for metal fires containing magnesium? a. Boron Trifluoride b. Boron Trichloride c. Argon d. Nitrogen Solution | Posted 09/30/19
A cotton production facility has areas of the production where fibers are considered easily ignitable. Which of the following trucks is not permitted in these areas? a. Diesel Type DY b. Electric Type EE c. Diesel Type DS d. Electric Type EX Solution | Posted 09/26/19
A 2 inch main drain (considered smooth opening) is opened to full drain capacity for a system with a pressure of 95 PSI. Approximately how much water (in gpm) will the drain flow assuming no friction loss? a. 420 gpm b. 925 gpm c. 1165 gpm d. 1460 gpm Solution | Posted 09/24/19
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 09/19/19
For a performance-based design, a fire protection consultant makes an assumption that the production rate of carbon monoxide for a modeled fire package is equal to the highest production rate of each of the component fuels. This assumption would be considered: a. explicit safety factor b. implied safety factor c. total safety factor d. no safety factor Solution | Posted 09/17/19
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 new building is to have a wet pipe fire sprinkler system connected to an existing city main. Which of the following tests is not required by NFPA 13 for the fire sprinkler system or underground service? a. flushing test b. hydrostatic test c. main drain test d. water delivery test Solution | Posted 09/10/19
A continuous membrane with a fire protection rating constructed to limit the spread of fire is which of the following? a. smoke partition b. fire compartment c. fire barrier d. proscenium wall Solution | Posted 09/09/19
A new-construction high-rise is being installed. Where a vertical trash chute has openings into a room on each floor, which of the following is not required? a. The room must not be greater than 400 square feet (37 square meters) b. The chute can be no greater than 24 square feet (2.2 square meters) c. The room may only be used for storage d. The room must have automatic sprinklers Solution | Posted 09/05/19
A four-story low-rise senior retirement living facility is being designed without the need for health support services. Which of the following areas, which each serve the entire floor level, does not require a minimum of one-hour fire resistance rating? a. A 300 sqft laundry room b. A 50 sqft trash room c. A 100 sqft storage room d. All of the above Solution | Posted 09/03/19
Annual inspection of wet barrel hydrants must include all of the following except: a. verify marking of hydrant b. verify outlet thread condition c. verify access to hydrant d. verify cracks in hydrant barrel Solution | Posted 08/30/19
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 fire sprinkler system. d. Both a and c. Solution | Posted 08/28/19
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 08/27/19
An warehouse facility is seeking to store cartoned Level 3 aerosol products on pallets. If the storage height is 10 feet in height with a 23 foot ceiling, what minimum k-factor must be provided for the ceiling-level sprinklers protecting this area? a. K-8.0 b. K-11.2 c. K-14.0 d. K-16.8 Solution | Posted 08/23/19
Hydrogen gas will combust at which of the following percent volumetric concentrations in air? i. 2.5% ii. 35% iii. 65% iv. 85% a. ii and iii b. iii and iv c. ii, iii, and iv d. i, ii, iii, and iv Solution | Posted 08/22/19
An open, unobstructed space connects an entry level lobby with a balcony on the level above in a fully sprinklered residential building while separated from the remainder of the building with a smoke barrier. If the space only has low hazard contents and meets egress requirements, what type of space does it qualify as? a. Atrium b. Communicating Space c. Convenience Opening d. Two-Story Opening with Partial Enclosure Solution | Posted 08/21/19
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 08/16/19
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 08/14/19
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