S12 Sprinkler Study Guide Exam Questions and Verified Answers

S12 Sprinkler Study Guide Exam Questions and Verified Answers


1. All work performed on any component of a fire sprinkler system MUST be done by or u
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nder the supervision of a: G. Card holder
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2. Quarterly Inspections MUST be done by a: License holder or designee
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3. Service Tags SHALL be hung on the: OS&Y valve after work is completed
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4. The minimum number of heads in a box is: Six
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5. The maximum working pressure of a fire sprinkler system is: 175psi
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6. A dry pipe valve and supply pipe SHALL be protected from: Freezing
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7. How much notice must be given to the AHJ before a test or inspection can be scheduled
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?: 48 hoursd d



8. When a fire sprinkler system has more than 20 sprinkler heads a: Fire alarm is required
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9. A fire sprinkler system MUST take no longer than
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for water to reach the most remote head: 3 minutes
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10. What is the minimum residual pressure required for a light hazard fire sprinkler sy
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stem?: 15psi d



11. The air pressure over the anticipated trip pressure of a dry fire sprinkler system shou
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ld not exceed: 20psi
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12. The maximum length of lateral sway bracing on a cross main is: 40 feet
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13. Pipe hangers SHALL be designed to hold the weight of the pipe filled with water plus: 2
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50lbs at the point of the hanger
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14. The all thread required to hang 5, 6 & 8 inch pipe is: 1/2"
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15. Fire sprinkler system piping SHALL be tested at 200psi for: 2 hours
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16. The water gauge SHALL be placed above and below the: Alarm check valve
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17. E.S.F.R (early suppression fast response) sprinkler heads are NOT allowed in: Dry syste
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ms
18. Maintenance and inspection of fire sprinkler systems is found in: NFPA 25 d d d d d d d d d d d



19. T or F : NFPA 13 is for design, installation and water supply only: False
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20. Upright head frames MUST be installed d to branch lines: Verticald d d d d d d d



21. Maximum temperature of water inside a fire sprinkler pipe: 120 Degrees d d d d d d d d d d

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