NICET 3 Troubleshooting Exam
UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
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.
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.
UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
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.
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.
