ITFAS-Level-1 試験問題を無料オンラインアクセス

Notification appliances in a fire alarm system produce a distinctive evacuation signal that does which of the following?

• A.Alternates on for 1 second, off for 1 second
• B.Alternates on for 1 second, off for 1.5 seconds
• C.Provides a 4-pulse temporal pattern
• D.Provides a 3-pulse temporal pattern

Visible and audible trouble signals shall be indicated at which two of the following locations? (Choose two.)

• A.Fire alarm control unit
• B.Alarm company office
• C.Emergency command center
• D.Fire department headquarters

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

How often are manual fire alarm boxes inspected?

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

In addition to 10% of devices not affected, what else must be tested when site-specific software is changed?

• A.10% of devices affected
• B.25% of devices affected
• C.50% of devices affected
• D.100% of devices affected