9605433
Descrição
Quiz por Jeanie Fitzgerald, atualizado more than 1 year ago
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Criado por Jeanie Fitzgerald
quase 7 anos atrás
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Questão 1
Questão
Minimum bend radius for balanced twisted pair 4- pair during installation
Responda
-
twice the diameter of cable
-
four times diameter of cable
-
2 inches
-
4 inches
Questão 2
Questão
Minimum bend radius for Intrabuilding optical fiber during installation
Responda
-
10 times outside diameter
-
15 times outside diameter
-
20 times outside diameter
Questão 3
Questão
Minimum bend radius for Backbone Optical fiber at rest
Responda
-
10 times outside diameter
-
15 times outside diameter
-
20 times outside diameter
Questão 4
Questão
Minimum bend radius Interbuilding optical fiber during installation
Responda
-
10 times outside diameter
-
15 times outside diameter
-
20 times outside diameter
Questão 5
Questão
Before work begins, it is important to secure the area to ________________ access to unauthorized personnel only.
Responda
-
Allow
-
Permit
-
Restrict
Questão 6
Questão
What can be used to designate a work zone, area (select all that apply)
Responda
-
safety cones
-
yellow tape
-
folding A frame signs
Questão 7
Questão
What is the most common environmental hazards faced by the installer
Responda
-
Falls and trip hazards
-
chemical hazards
-
electrical wires or equipment
Questão 8
Questão
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.
Responda
-
Approved methods
-
Approved materials
-
Listed assembies
Questão 9
Questão
As-built drawings are sometimes called record drawings to the general contractor or building owner.
Responda
- True
- False
Questão 10
Questão
What tasks should be done after the cable is pulled ( select all that apply )
Responda
-
Label all ICT components
-
Update the building floor plans
-
Perform housekeeping items
Questão 11
Questão
Allow no more than two 90 degree bends per 30 m = (100 ft) pull if in conduit
Responda
- True
- False
Questão 12
Questão
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.
Responda
-
2, 1
-
3, 2
-
4, 3
Questão 13
Questão
Service slack for ____________ ____________ shall reach the farthest corner of the TR via pathways and add the distance from floor to ceiling.
Responda
-
Copper backbone cables
-
Horizontal copper cables
-
Optical fiber cables
Questão 14
Questão
_____________ _____________ shall have enough slack to reach the farthest corner of the backboard via pathway in case new equipment is added later.
Responda
-
Copper backbone
-
Horizontal cables
-
Optical fiber
Questão 15
Questão
Optical fiber backbone cables shall require the same slack as optical fiber horizontal cables.
Responda
- True
- False
Questão 16
Questão
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.
Responda
-
1 ft. - 1.6 ft.
-
1.6 ft. - 1 ft.
-
10 ft. - 3.3 ft.
Questão 17
Questão
Optical fiber cables shall have 1 m = (3.3 ft. ) of slack left in the work area to allow for termination.
Responda
- True
- False
Questão 18
Questão
A conduit 2 in. or less must maintain a bend radius of at least ____ times the internal conduit diameter.
Responda
-
6
-
8
-
10
Questão 19
Questão
A conduit greater than 2 in. should maintain a bend radius of at least ___ times the internal conduit diameter.
Responda
-
6
-
8
-
10
Questão 20
Questão
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.
Responda
-
20, 40
-
25, 50
-
25, 75
Questão 21
Questão
It is acceptable to use structural steel ( red iron ) to directly support cables.
Responda
- True
- False
Questão 22
Questão
Pull string tensile strength ratings range from ______ to ______ lbf.
Responda
-
50 - 200
-
75- 200
-
75- 225
Questão 23
Questão
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
Responda
-
Visual fault locator (VFL)
-
Optical loss test set (OLTS)
-
Optical time domain reflectometer (OTDR)
Questão 24
Questão
Which test instrument requires access to both ends of the cable?
Responda
-
VFL
-
OTDR
-
OLTS
Questão 25
Questão
Where optical fiber cables will be used, consider placing three innerducts ( two 1.5 in. and one 1 in. )
inside each _______ conduit.
Responda
-
4 in.
-
6 in.
-
8 in.
Questão 26
Questão
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
Responda
-
loose tube
-
tight buffer
-
ribbon
Questão 27
Questão
Preferred method for attaching tight buffer fiber to a pull rope
Responda
-
securing aramid yarn strength member
-
wire mesh grip
-
3 half hitches and a knot
Questão 28
Questão
How much optical fiber cable slack should be left at the at the work area
Responda
-
3.3 ft.
-
10 ft.
-
farthest point of work area
Questão 29
Questão
In air blown fiber, fluid drag is what carries the cable down the tube
Responda
- True
- False
Questão 30
Questão
Air blown fiber is only recommended for inside plant applications.
Responda
- True
- False
Questão 31
Questão
In air blown optical fiber installations, air pressure is typically between ______and ______ psi.
Responda
-
75- 200
-
150- 220
-
150- 250
Questão 32
Questão
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 )
Responda
-
Horizontal Optical fiber
-
Backbone Optical fiber
-
Copper backbone
-
Horizontal Copper
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