NICET 3 Troubleshooting Exam
Questions & Answers (Grade A+)
Fire alarm systems may suffer from "ghost" malfunctions that may
or may not be intermittent. This usually means the field wiring may
be too close to a _____________ ________ caused by an
alternating current. -
correct answer ✅magnetic field.
In order to diagnose and repair the systems, it is imperative that
you have knowledge of the following: (Select all that apply)
A.Electrical theory.
B. The operation of the specific system
C. Support of the AHJ -
correct answer ✅Electrical theory
The operation of the specific system
Using the system's input/output matrix (if available) can be an
invaluable tool while ___________ any system.
The matrix will provide you with information to let you know
exactly what your system should do or not do. -
correct answer ✅troubleshooting.
, NICET 3 Troubleshooting Exam
Questions & Answers (Grade A+)
Refer to NFPA 72 2016, Figure A.14.6.2.4 Typical Input/Output
Matrix
A short circuit can be defined as an electrical circuit of lower
___________ than that of a normal circuit, typically resulting from
the unintended contact of components and consequent accidental
diversion of the ___________. -
correct answer ✅resistance.
current.
In a short circuit condition, the current flowing through the
conductors will be significantly ____________ and can cause
damage to circuit conductors and/or the control unit. -
correct answer ✅increased.
On a conventional fire alarm system, a short circuit on the NAC will
cause a trouble signal, whereas a short circuit on an initiating
device circuit (IDC) will cause a ________ _______ signal -
correct answer ✅fire alarm.
Questions & Answers (Grade A+)
Fire alarm systems may suffer from "ghost" malfunctions that may
or may not be intermittent. This usually means the field wiring may
be too close to a _____________ ________ caused by an
alternating current. -
correct answer ✅magnetic field.
In order to diagnose and repair the systems, it is imperative that
you have knowledge of the following: (Select all that apply)
A.Electrical theory.
B. The operation of the specific system
C. Support of the AHJ -
correct answer ✅Electrical theory
The operation of the specific system
Using the system's input/output matrix (if available) can be an
invaluable tool while ___________ any system.
The matrix will provide you with information to let you know
exactly what your system should do or not do. -
correct answer ✅troubleshooting.
, NICET 3 Troubleshooting Exam
Questions & Answers (Grade A+)
Refer to NFPA 72 2016, Figure A.14.6.2.4 Typical Input/Output
Matrix
A short circuit can be defined as an electrical circuit of lower
___________ than that of a normal circuit, typically resulting from
the unintended contact of components and consequent accidental
diversion of the ___________. -
correct answer ✅resistance.
current.
In a short circuit condition, the current flowing through the
conductors will be significantly ____________ and can cause
damage to circuit conductors and/or the control unit. -
correct answer ✅increased.
On a conventional fire alarm system, a short circuit on the NAC will
cause a trouble signal, whereas a short circuit on an initiating
device circuit (IDC) will cause a ________ _______ signal -
correct answer ✅fire alarm.
