Quiz Rules
1. Select the correct answer below for each question 2. When complete, click the "Send in the Quiz" button at the end of the quiz 3. You may attempt this quiz only three times.
1. Pipe used in private fire service shall be designed to withstand a system working pressure of not less than:
a. 200 psi b. 115 psi c. 150 psi d. 250 psi
2. Large drop sprinklers shall be permitted to be used in wet, dry or preaction systems.
a. True b. False
3. Local waterflow alarms shall be provided on all sprinkler systems having more than ___ sprinklers.
a. 10 b. 15 c. 20 d. 25
4. A listed shut off valve shall be installed in the fire department connection piping.
a. True b. False 5. The maximum distance between hangers for 1 inch CPVC pipe is:
a. 5 feet b. 6 feet c. 6 feet 6 inches d. 7 feet 6. Thrust blocks shall be of a concrete mix not leaner than
a. 2 parts cement, 2.5 parts sand & 4 parts stone b. 1 part cement, 2.5 parts sand & 5 parts stone c. 1 part cement, 1.5 parts sand & 5 parts stone d. 2 parts cement, 2 parts sand & 5.5 parts stone 7. The minimum residual pressure required for a light hazard occupancy is ____ psi
a. 7 b. 10 c. 15 d. 20 8. For a light hazard pipe schedule system, 12 heads can be supplied by 2 inch steel pipe.
a. True b. False 9. A post office would be considered a ___________ hazard occupancy.
a. Light b. Ordinary Group I c. Ordinary Group II d. Extra Group I 10. Screw unions shall not be used on pipe larger than 1.5 inch.
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