Exam Questions with complete Solutions for Fundamentals of Sprinkler Systems Rated A+
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Course
Sprinkler Systems
Institution
Sprinkler Systems
Exam Questions with complete Solutions for Fundamentals of Sprinkler Systems Rated A+
True or False: pursuant to the latest NFPA 13, deluge systems can be scheduled systems - Answers False
True or False: the orifice of the air supply to the dry pipe valve is always smaller then the orifice of the...
Exam Questions with complete Solutions for Fundamentals of Sprinkler Systems Rated A+
True or False: pursuant to the latest NFPA 13, deluge systems can be scheduled systems - Answers False
True or False: the orifice of the air supply to the dry pipe valve is always smaller then the orifice of the
smallest sprinkler in the system - Answers False
True or False: a dry pipe system may be charged with compressed nitrogen - Answers True
True or False: the allowable leakage for overhead piping is the same as the leakage that applies to
underground piping - Answers False
True or False: According to NFPA 13, the air gauge and water gauge are interchangeable - Answers False
True or False: When a pressure switch is installed on a wet system alarm line, it should be sensitive to
decreasing pressure - Answers False
True or False: The use of reconditioned valves and devices as replacement equipment in existing
systems shall be permitted - Answers True
True or False: In a looped sprinkler system, the branch lines are all tied together - Answers False
True or False: Paddle-Type water flow alarm indicators shall be used in wet systems only - Answers True
True or False: not more then 600 automatic sprinkler heads shall be controlled by any single preaction
valve - Answers False
When water pressure varies a great deal, a retard chamber is not sufficient to prevent false alarms.
What other device can be used?
A. A pressure switch. C. A jockey pump
B. An excess pressure pump. D. All of the above - Answers B. An excess pressure pump
What is used on a butterfly valve from being opened or closed too quickly?
A. A Stuffing box C. A gear operator
B. A resilient wedge D. A chain lock - Answers C. A gear operator
A dry pilot line must be constructed of?
A. Schedule 40 pipe
, B. cast iron pipe
C. Galvanized steel or copper tubing
D. Cast iron or copper tubing - Answers C. Galvanized steel or copper tubing
The proper device to be used on a dry pipe alarm line to give an electrical alarm when the valve trips
would be a ____
A. Flow switch. C. Monitor switch
B. Pressure switch. D. A or B - Answers B. Monitor switch
An electrical monitor is being placed on the alarm line of an alarm valve. There is a retard chamber in
the trim. That electrical monitor would be a ___
A. Flow switch
B. Monitor switch
C. Pressure switch
D. Explosion proof pressure switch - Answers C. Pressure switch
On wet fire sprinkler systems, the pressure gauge located above the clapper of the alarm valve indicates
the ____
A. System pressure. C. Static pressure
B. Supply pressure. D. Residual pressure - Answers A. System pressure
Antifreeze systems are used for the portion of the fire sprinkler system that is in an area where the
temperature cannot be reliably maintained at or above
A. 0 degrees F. C. 32 degrees F
B. 30 degreees F. D. 40 degrees F - Answers D. 40 degrees F
In Accordance with NFPA 13, the 45 degree elbow which is used to terminate the inspectors test
connection is itself terminated by a ____
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