NICET Fire Alarm Systems 3

Question 1

What is the maximum allowable voltage drop on a Notification Appliance Circuit under full load?

Accepted Answer

10%

Answer

NFPA 72 and most manufacturer specifications allow a maximum 10% voltage drop on a NAC under full alarm load.

Question 2

Which initiating device is designed to detect the rate of temperature increase rather than an absolute temperature threshold?

Accepted Answer

Rate-of-rise heat detector

Answer

A rate-of-rise heat detector activates when the temperature rises faster than a specified rate, typically 15°F per minute.

Question 3

A NICET Level I fire alarm technician is best described as someone who:

Accepted Answer

Performs basic tasks under close supervision

Answer

NICET Level I represents entry-level technicians who perform basic tasks under close supervision of more experienced personnel.

Question 4

What information must be permanently posted at the fire alarm control unit location?

Accepted Answer

Record of completion and as-built drawings

Answer

NFPA 72 requires a record of completion and as-built drawings to be kept at or near the fire alarm control unit for reference.

Question 5

Which of the following is a supervisory signal in a fire alarm system?

Accepted Answer

Low air pressure in a dry sprinkler system

Answer

Low air pressure in a dry-pipe sprinkler system is a supervisory condition indicating the system may not function as designed, not an active alarm.

NICET - National Institute for Certification in Engineering Technologies Practice Test