NICET Level 3 Water Based Layout Exam 36 Questions And Answers Set 02
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Terms in this set
36
Which detail is one purpose of architectural drawings?
communicate scope of work
For fire pump and jockey pump installations, where should the pump controller's pressure sensing lines be connected?
individual from each other
A sprinkler is 3 feet away from a gas powered unit heater in a 2,000 square foot garage. What should be the temperature rating of the sprinkler?
High temp 286 degrees
In a new apartment building where the highest floor for use is 45 feet above the lowest level for fire department access, which type of standpipe is required?
wet automatic
What is the minimum fire-resistance rating for a fire partition that separates dwelling units in the same building that in constructed of Type VB (5B) construction and a sprinkler system in accordance with International Building Code (IBC) section 903.3.1.1 ?
1/2 hour per IBC 708.3
A contractor submits hydraulic calculations for a wet system with black steel pipe. The calculations are based on a C value of 120. The AHJ rejects the calculations because the local building code requires a value of 100 to be used for wet and dry systems. The contract requires the contractor to follow NFPA 13 and local building codes. What should the contractor do?
Revise the calculation to comply with the local code requirements
A 45000 square foot building with 40 feet of elevation to the roof has required exit stairways and a Class I manual dry standpipe system. A roof manifold is located 3 feet above the roof. The total amount of friction loss in the pipe is 8 psi. What is the required flow and pressure at the fire department connection (FDC) located 3 feet above finished grade?
750 gpm and 126 psi (2,480 liters per minute and 8.6 bar)
A contract has been finalized to relocate upright sprinklers to the pendent position from an existing pipe schedule system that includes 3/4-inch ( 20 millimeter) pipe supplying 1 sprinkler. Which is the correct course of action?
Replace 3/4-inch pipe with 1 inch use 1/2 nipples no longer than 4 inches, 1-by-1/2 reducing elbows, and new 1 inch drop pipe per NFPA 13 section 30.4.4
A single story wood frame nursing home is located in a rural area. A water storage tank supplies the sprinkler system. The building is protected throughout by a wet system. The attic has a 6 in 12 slope and is protected by a dry system that uses standard upright spray sprinklers. Dry system design overage is 50% What is the minimum storage capacity of the water tank?
8,775 gallons (33,217 liters)
A Gantt chart is used to represent the phases and activities for a project. Which one of the following is a limitation of this type of chart?
A Gantt chart is best suited for small projects.