NICET Level 3: Water-Based Systems Layout Detailed Exam Study Questions with 100% Correct Answers | Already Graded A+

NICET Level 3: Water-Based Systems Layout Detailed Exam Study Questions with 100% Correct Answers | Already Graded A+ 1. The area of the floor or fire area and exit locations, as well as the occupancy classification - ANSWER What determines the number and locations of hose connections? 2. Local building codes - ANSWER What determines the types of standpipe systems, classes of systems, and locations of hose connections? 3. Number of hose connections flowing, the quantity of water flowed, the required residual pressure, and the vertical and horizontal distance of those hose connections from the water supplies. - ANSWER What is the standpipe piping size dependent on? 4. 350psi - ANSWER The maximum pressure at any point in the standpipe system at any time shall not exceed? 5. An early suppression fast-response (ESFR) system is protecting in-rack storage of a Group A plastic commodity, stacked to 35 feet (10.67 meters). Under which condition can antifreeze be used? - ANSWER If the solution and the sprinkler head are specifically listed for use with antifreeze 6. What is the minimum size of the heat circulating pipes required for a 100,000 gallon elevated steel tank in an area where the minimum 1-day mean temperature is -30 F - ANSWER 3-inch NFPA 22 16.1.7.1 7. In a general stack area of a library, the ceiling has a slope of 3-in-12 and is 22 feet high at the lowest point. What is the hydraulic area of operation for a dry system? - ANSWER 2535 square feet per NFPA 13 section 19.2.3.2.4 and 19.2.3.2.5 8. In an exterior canopy constructed of combustible material above a 400 square foot area used for pedestrian foot traffic, where are sprinklers required? - ANSWER In the concealed space, and below the canopy ceiling 9. A 750 gpm pump is located 25 feet from the test header. What size should the test header be? - ANSWER 6-inch 10. What two pieces of information are required on drawings submitted to the AHJ when a tank is the water supply? (Chose two.) - ANSWER Arrangement of all pipes and location of all valves 11. When installing a new backflow prevention device in an existing system, which three pieces of information are required to be submitted to the AHJ? (Chose Three) - ANSWER 1. Hydraulic calculations to prove design performance for hazard classification. 2. location of backflow prevention device in the existing system. 3. manufactures data sheet of new backflow prevention device 12. Which detail is one purpose of architectural drawings? - ANSWER communicate scope of work 13. For fire pump and jockey pump installations, where should the pump controller's pressure sensing lines be connected? - ANSWER individual from each other 14. 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? - ANSWER High temp 286 degrees 15. 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? - ANSWER wet automatic 16. 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 ? - ANSWER 1/2 hour per IBC 708.3 17. 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? - ANSWER Revise the calculation to comply with the local code requirements 18. 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? - ANSWER 750 gpm and 126 psi (2,480 liters per minute and 8.6 bar) 19. 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? - ANSWER 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 20. 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? - ANSWER 8,775 gallons (33,217 liters) 21. 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? - ANSWER A Gantt chart is best suited for small projects. 22. What three pieces of information is a property owner required by NFPA to give to contractors? - ANSWER Intended use of building, preliminary plan of building, knowledge of water supply 23. A sprinkler manufacture has a proprietary listing on a sidewall sprinkler capable of a 28-foot-wide discharge spray pattern. Which sprinkler information (if noted on the miscellaneous material section of a stock list) would ensure that the correct sprinkler is shipped to the job site if the shop confirmed shipment of a sprinkler with all of the characteristics listed? - ANSWER Sprinkler identification number, response type, thread size, temperature rating, and finish