CWBSP

What is the required minimum design density/area for protection of floor stacked, idle wood pallets to a height of 8 ft (2.4 m) under a 30 ft (9.1 m) roof deck using high expansion foam with a K11.2 (160) CMDA sprinkler?A . 0.225 gpm/ft2 (9.15 mm/min) over 1,250 ft2 (115...

When utilizing ordinary temperature CMDA sprinkler protection for a single-row rack storage of an unencapsulated Class I commodity stored 15 ft (4.6 m) high without in-rack sprinklers with 8 ft (2.4 m) aisles, what is the minimum design density required?A . 0.20 gpm/ft2 (8.1 mm/min)B . 0.32 gpm/ft2 (13 mm/min)C...

The FPE has indicated that a vertical opening shall be protected by closely spaced sprinklers in combination with a draft stop installed per code. The sprinklers will be spaced 6 ft (1.83 m) on center. What is the minimum gpm discharge required per sprinkler head?A . 10 gpm (38 lpm)B...

Antifreeze systems that contain a backflow preventer between the antifreeze piping and the wet pipe system must be equipped withA . a relief valve.B . a sight glass.C . an accelerator.D . an expansion chamber.View AnswerAnswer: D Explanation: Antifreeze systems equipped with a backflow preventer must include an expansion chamber...

Which Occupancy Classification is a machine shop considered?A . Light HazardB . Ordinary Hazard Group 1C . Ordinary Hazard Group 2D . Extra Hazard Group 1View AnswerAnswer: B Explanation: A machine shop is typically considered an Ordinary Hazard Group 1 occupancy due to the moderate level of fire load, including...

In a building where the maximum ceiling temperature will be 80°F (26°C), what would be the lowest permissible temperature classification for the sprinklers?A . OrdinaryB . HighC . IntermediateD . Extra highView AnswerAnswer: A Explanation: For a building where the maximum ceiling temperature will be 80°F (26°C), the lowest permissible...

What is the maximum distance an underground main can be installed under the building to the riser location without additional requirements?A . 2 ft (0.6 m)B . 5 ft (1.5 m)C . 10 ft (3 m)D . 15 ft (4.6 m)View AnswerAnswer: B Explanation: NFPA standards allow a certain distance...

What is the maximum floor area that can be protected by a single ordinary hazard sprinkler system?A . 25,000 ft2 (2,320 m2)B . 40,000 ft2 (3,720 m2)C . 52,000 ft2 (4,830 m2)D . 70,000 ft2 (6,503 m2)View AnswerAnswer: C Explanation: The maximum floor area on any one floor to be...

How many sprinklers in a townhome style residential occupancy protected in accordance with NFPA 13D with 24 ft (7.3 m) flat, smooth, and horizontal ceilings, with no beams, are required to be calculated for?A . 1B . 2C . 5D . 10View AnswerAnswer: B Explanation: In residential occupancies like townhomes...

Annual testing for a 1,500 gpm (5,677 L/min) at 80 psi (1.4 bar) fire pump supporting an attached sprinkler system demand of 1,800 gpm (6,813 L/min) at 100 psi (6.9 bar) is being conducted. The flow test of the fire pump must achieve what minimum flow rate and discharge pressure?A...