Free NFPA CWBSP Exam Dumps Questions & Answers

In a building where the maximum ceiling temperature will be 80°F (26°C), what would be the lowest permissible temperature classification for the sprinklers?

• A.Intermediate
• B.Ordinary
• C.Extra high
• D.High

Which type of pipe does not require a special listing to use threaded fittings?

• A.Schedule 5
• B.Schedule 7
• C.Schedule 10
• D.Schedule 40

When utilizing ordinary temperature CMDA sprinkler protection for a single-row rack storage of an unencapsulated Class I commodity stored 15 ft (4.6 m) high without in-rack sprinklers with 8 ft (2.4 m) aisles, what is the minimum design density required?

• A.0.32 gpm/ft2 (13 mm/min)
• B.0.54 gpm/ft2 (22 mm/min)
• C.0.20 gpm/ft2 (8.1 mm/min)
• D.0.86 gpm/ft2 (35 mm/min)

What is the minimum exposed barrel length for a dry sprinkler barrel exposed to 50°F (10#) when the discharge end is in an environment of -30°F (34#)?

• A.8 in. (200 mm)
• B.18 in. (450 mm)
• C.3 in. (75 mm)
• D.16 in. (400 mm)

An 8 in. (200 mm) Schedule 40 steel main is to be supported from a trapeze hanger. The trapeze hanger is to span between two joists which are 7.5 ft (2.3 m) apart. What is the minimum size of steel pipe the trapeze member is to be made of?

• A.2.5 in. (65 mm) Schedule 40 steel pipe
• B.2.5 in. (65 mm) Schedule 10 steel pipe
• C.3 in. (80 mm) Schedule 10 steel pipe
• D.3 in. (80 mm) Schedule 40 steel pipe