9605433
Beschreibung
Quiz von Jeanie Fitzgerald, aktualisiert more than 1 year ago
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Erstellt von Jeanie Fitzgerald
vor fast 7 Jahre
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Frage 1
Frage
Minimum bend radius for balanced twisted pair 4- pair during installation
Antworten
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twice the diameter of cable
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four times diameter of cable
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2 inches
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4 inches
Frage 2
Frage
Minimum bend radius for Intrabuilding optical fiber during installation
Antworten
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10 times outside diameter
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15 times outside diameter
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20 times outside diameter
Frage 3
Frage
Minimum bend radius for Backbone Optical fiber at rest
Antworten
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10 times outside diameter
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15 times outside diameter
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20 times outside diameter
Frage 4
Frage
Minimum bend radius Interbuilding optical fiber during installation
Antworten
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10 times outside diameter
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15 times outside diameter
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20 times outside diameter
Frage 5
Frage
Before work begins, it is important to secure the area to ________________ access to unauthorized personnel only.
Antworten
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Allow
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Permit
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Restrict
Frage 6
Frage
What can be used to designate a work zone, area (select all that apply)
Antworten
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safety cones
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yellow tape
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folding A frame signs
Frage 7
Frage
What is the most common environmental hazards faced by the installer
Antworten
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Falls and trip hazards
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chemical hazards
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electrical wires or equipment
Frage 8
Frage
All firestopping solutions area a combination of fire stop materials, devices, packing materials that make up a listed system. Use only __________ __________ to properly restore the penetration of any fire or smoke rated barrier.
Antworten
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Approved methods
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Approved materials
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Listed assembies
Frage 9
Frage
As-built drawings are sometimes called record drawings to the general contractor or building owner.
Antworten
- True
- False
Frage 10
Frage
What tasks should be done after the cable is pulled ( select all that apply )
Antworten
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Label all ICT components
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Update the building floor plans
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Perform housekeeping items
Frage 11
Frage
Allow no more than two 90 degree bends per 30 m = (100 ft) pull if in conduit
Antworten
- True
- False
Frage 12
Frage
Controlling bend radius and friction can prevent damage to the cable. A ___ in. diameter smooth static pipe or ____ in.
roller will help to maintain proper bend radius limits.
Antworten
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2, 1
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3, 2
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4, 3
Frage 13
Frage
Service slack for ____________ ____________ shall reach the farthest corner of the TR via pathways and add the distance from floor to ceiling.
Antworten
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Copper backbone cables
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Horizontal copper cables
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Optical fiber cables
Frage 14
Frage
_____________ _____________ shall have enough slack to reach the farthest corner of the backboard via pathway in case new equipment is added later.
Antworten
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Copper backbone
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Horizontal cables
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Optical fiber
Frage 15
Frage
Optical fiber backbone cables shall require the same slack as optical fiber horizontal cables.
Antworten
- True
- False
Frage 16
Frage
Balanced twisted pair horizontal cables shall have _______ of slack left in the work area to allow for ______
after termination. Cables shall not be stored in loops.
Antworten
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1 ft. - 1.6 ft.
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1.6 ft. - 1 ft.
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10 ft. - 3.3 ft.
Frage 17
Frage
Optical fiber cables shall have 1 m = (3.3 ft. ) of slack left in the work area to allow for termination.
Antworten
- True
- False
Frage 18
Frage
A conduit 2 in. or less must maintain a bend radius of at least ____ times the internal conduit diameter.
Antworten
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6
-
8
-
10
Frage 19
Frage
A conduit greater than 2 in. should maintain a bend radius of at least ___ times the internal conduit diameter.
Antworten
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6
-
8
-
10
Frage 20
Frage
The maximum pull force for 4 pair 24 AWG cable is ___ lbf. the maximum pull force for two to four strand optical fiber is ___ lbf.
Antworten
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20, 40
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25, 50
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25, 75
Frage 21
Frage
It is acceptable to use structural steel ( red iron ) to directly support cables.
Antworten
- True
- False
Frage 22
Frage
Pull string tensile strength ratings range from ______ to ______ lbf.
Antworten
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50 - 200
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75- 200
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75- 225
Frage 23
Frage
Only tested and accepted lengths of optical fiber are to be installed. What test instruments are typically used to test optical fiber on the reel? select all that apply
Antworten
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Visual fault locator (VFL)
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Optical loss test set (OLTS)
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Optical time domain reflectometer (OTDR)
Frage 24
Frage
Which test instrument requires access to both ends of the cable?
Antworten
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VFL
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OTDR
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OLTS
Frage 25
Frage
Where optical fiber cables will be used, consider placing three innerducts ( two 1.5 in. and one 1 in. )
inside each _______ conduit.
Antworten
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4 in.
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6 in.
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8 in.
Frage 26
Frage
Placing the optical fiber cables in a multi-weave wire mesh grip of appropriate size that has a swivel pulling eye is the preferred method for attaching this fiber to a pull rope
Antworten
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loose tube
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tight buffer
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ribbon
Frage 27
Frage
Preferred method for attaching tight buffer fiber to a pull rope
Antworten
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securing aramid yarn strength member
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wire mesh grip
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3 half hitches and a knot
Frage 28
Frage
How much optical fiber cable slack should be left at the at the work area
Antworten
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3.3 ft.
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10 ft.
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farthest point of work area
Frage 29
Frage
In air blown fiber, fluid drag is what carries the cable down the tube
Antworten
- True
- False
Frage 30
Frage
Air blown fiber is only recommended for inside plant applications.
Antworten
- True
- False
Frage 31
Frage
In air blown optical fiber installations, air pressure is typically between ______and ______ psi.
Antworten
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75- 200
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150- 220
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150- 250
Frage 32
Frage
This cable shall have enough slack to reach the farthest corner of the TR via pathways, add floor to ceiling and an additional 10 feet. (Select all that apply )
Antworten
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Horizontal Optical fiber
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Backbone Optical fiber
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Copper backbone
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Horizontal Copper
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