ITFAS-Level-1 試験問題を無料オンラインアクセス

How often are manual fire alarm boxes inspected?

• A.Semiannually
• B.Monthly
• C.Quarterly
• D.Annually

Which three of the following are how a McCulloh transmitter should be inspected? (Choose three.)

• A.System normal condition
• B.Physical condition
• C.Verify location
• D.Distinct waterflow condition

According to NFPA 72, in addition to the type of equipment, which additional factor should be considered when determining the frequency of cleaning system equipment?

• A.Number of devices per loop
• B.Local ambient conditions
• C.Age of the equipment
• D.Frequency of periodic testing

How is a projected beam detector inspected?

• A.Introduce smoke
• B.Remote test switch
• C.Use an optical filter
• D.Check for obstruction

What is the adjustment range for smoke detectors that have a provision for field adjustment of sensitivity?

• A.No less than 1.2% per foot (3.90% per meter)
• B.No more than 1.2% per foot (3.90% per meter)
• C.No less than 0.6% per foot (1.95% per meter)
• D.No more than 0.6% per foot (1.95% per meter)