Nov 25 Class review

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