Construction Coordinator 3 NCTI Exam
Questions And Answers
When preparing a fiber-optic cable for splicing, what is the purpose
of removing approximately 2.5 cm (1 inch) of jacket and any armor
that is present, from the end of the cable? -
correct answer ✅To access the cable's rip cord and to check the
cutting depth of the knife or ringing tool.
What does water do to the glass core of an optical fiber? -
correct answer ✅Water causes the glass core of the optical fiber to
become opaque, which degrades the signal as it's transported
through the fiber.
When preparing a splice closure, what should be done with the
fiberglass rod strength member that runs down the center of loose-
tube fiber-optic cable? -
correct answer ✅Trim the strength member back for convenience,
but leave it long enough to be tightly clamped to a strain-relief lug
in the closure.
What is the purpose of splice trays inside splice closures? -
correct answer ✅Splice trays are designed to provide protection
for mechanical splices, fusion splice protectors, and optical splitters
as well as provide storage for the required fiber slack.
,Construction Coordinator 3 NCTI Exam
Questions And Answers
How should the buffer tubes be secured in the closure? -
correct answer ✅The buffer tubes should be secured with tie
wraps to allow slight movement without pulling or stressing the
optical fibers.
How are optical splices secured in a splice tray? -
correct answer ✅Cable (retaining) clips hold optical splices in place
in a splice tray.
What is the purpose of buffer tubes in fiber-optic cable? -
correct answer ✅Buffer tubes protect and separate the optical
fiber in smaller bundles.
When splicing fiber-optic cable, why is it a good safety practice to
clean off fiber strippers and other hand tools after each use? -
correct answer ✅To prevent the accidental transfer of fiber debris
or fiber chips onto clean hands.
Where would you expect to install a mid-entry splice in a fiber-optic
cable network? -
correct answer ✅A location where a select number of optical
fibers need to be spliced, and the remaining buffer tubes and fibers
remain untouched.
, Construction Coordinator 3 NCTI Exam
Questions And Answers
Which type of fusion splicer is ideal for fiber-to-the-x (FTTx)
splicing? -
correct answer ✅The fixed V-groove splicer.
What are some prerequisites before performing a fusion splice of
optical fibers? -
correct answer ✅A controlled environment such as a splicing van,
trailer, or tent and a stable work surface that is large enough to
accommodate the fusion splicer, tools, and the splice closure.
When would a mid-entry splice in a fiber-optic network be used? -
correct answer ✅In a self-healing ring network that requires only
two fibers to feed an optical fiber drop.
What is required of mechanical splices used for acceptance testing?
-
correct answer ✅A mechanical splice used for acceptance testing
should be simple to use and reusable.
Why are Velcro straps preferred over standard plastic tie wraps
when bundling pigtails for storage in a splice panel? -
Questions And Answers
When preparing a fiber-optic cable for splicing, what is the purpose
of removing approximately 2.5 cm (1 inch) of jacket and any armor
that is present, from the end of the cable? -
correct answer ✅To access the cable's rip cord and to check the
cutting depth of the knife or ringing tool.
What does water do to the glass core of an optical fiber? -
correct answer ✅Water causes the glass core of the optical fiber to
become opaque, which degrades the signal as it's transported
through the fiber.
When preparing a splice closure, what should be done with the
fiberglass rod strength member that runs down the center of loose-
tube fiber-optic cable? -
correct answer ✅Trim the strength member back for convenience,
but leave it long enough to be tightly clamped to a strain-relief lug
in the closure.
What is the purpose of splice trays inside splice closures? -
correct answer ✅Splice trays are designed to provide protection
for mechanical splices, fusion splice protectors, and optical splitters
as well as provide storage for the required fiber slack.
,Construction Coordinator 3 NCTI Exam
Questions And Answers
How should the buffer tubes be secured in the closure? -
correct answer ✅The buffer tubes should be secured with tie
wraps to allow slight movement without pulling or stressing the
optical fibers.
How are optical splices secured in a splice tray? -
correct answer ✅Cable (retaining) clips hold optical splices in place
in a splice tray.
What is the purpose of buffer tubes in fiber-optic cable? -
correct answer ✅Buffer tubes protect and separate the optical
fiber in smaller bundles.
When splicing fiber-optic cable, why is it a good safety practice to
clean off fiber strippers and other hand tools after each use? -
correct answer ✅To prevent the accidental transfer of fiber debris
or fiber chips onto clean hands.
Where would you expect to install a mid-entry splice in a fiber-optic
cable network? -
correct answer ✅A location where a select number of optical
fibers need to be spliced, and the remaining buffer tubes and fibers
remain untouched.
, Construction Coordinator 3 NCTI Exam
Questions And Answers
Which type of fusion splicer is ideal for fiber-to-the-x (FTTx)
splicing? -
correct answer ✅The fixed V-groove splicer.
What are some prerequisites before performing a fusion splice of
optical fibers? -
correct answer ✅A controlled environment such as a splicing van,
trailer, or tent and a stable work surface that is large enough to
accommodate the fusion splicer, tools, and the splice closure.
When would a mid-entry splice in a fiber-optic network be used? -
correct answer ✅In a self-healing ring network that requires only
two fibers to feed an optical fiber drop.
What is required of mechanical splices used for acceptance testing?
-
correct answer ✅A mechanical splice used for acceptance testing
should be simple to use and reusable.
Why are Velcro straps preferred over standard plastic tie wraps
when bundling pigtails for storage in a splice panel? -
