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WorksheetsNov 25 Class review
Total questions: 15
Worksheet time: 8mins
If used, cellophane bags must have a thickness of _____ inches or less.
3.0000
0.03
0.33
0.003
A building has 1100 sprinklers installed, a minimum of ____ spare sprinklers are required to be placed in the spare sprinkler box.
6
12
24
36
Proper threading, as described by ASME B1.20.1 typically exposes about ______unused threads when the screwed joint is tight.
2
3 1/2
1
1 1/2
Which of these systems would require return bends?
dry system with pendent sprinklers fed from a lake
wet system with K8.0 sprinklers from a city main
deluge system with nozzles fed from a river
wet system with K8.0 sprinklers fed from a fire pump
Which of the following types of metallic pipe can be bent?
Sch 10 steel
Type M copper
Sch 7 steel
Type S Copper
Which of these systems would require return bends on the sprinklers?
System with dry pendents
Deluge system
Wet system with K11.2 sprinklers
Preaction system with K8.0 sprinklers
Sprinkler pipe shall be permitted to be protected against freezing by insulating coverings, frostproof casings, or other means of maintaining a minimum temperature between 40°F and up to ______°F max.
85
100
90
120
Which of these situations will require a steel shield plate on the sprinkler pipe?
CPVC pipe 2" from the nearest edge of the framing
steel pipe 1" from the nearest edge of the framing
steel pipe 2" from the nearest edge of the framing
CPVC pipe 1" from the nearest edge of the framing
16.8.8.2 states "Flexible sprinkler hose fittings shall not exceed _____ ft in length when installed above an acoustical tile and lay-in panel ceiling."
2
6
8
12
16.8.8.1 states "Flexible sprinkler hose fittings shall not exceed ____ ft in length when installed above a rigid ceiling."
6
10
12
8
Which one of these scenarios would be a proper install of a PIV?
PIV with the top of post 36 inches above ground
PIV with the top of post 48 inches above ground
PIV with the top of post 24 inches above ground
PIV with the top of post 28 inches above ground
A 3 1/2" inch riser would require a main drain sized to ____ inches or larger
3/4
1
1 1/4
1 3/4
A wet system is not subjected to freezing temperatures. The minimum auxiliary drain required if 10 gallons of water is trapped is_____ inch.
1/2
3/4
1
1 1/2
Tie-in drain lines in a freezer shall be pitched a minimum of _____ in. per 10 ft
0
1/4
1/2
3/4
A paddle type water flow switch would be required on which of the following systems?
Dry system with 18 sprinklers
Dry system with 25 sprinklers
Wet system with 18 sprinklers
Wey system with 25 sprinklers
