Quiz
5 Cable Installation
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Perguntas do quiz (32)
1Minimum bend radius for balanced twisted pair 4- pair during installation
- Atwice the diameter of cable
- Bfour times diameter of cable
- C2 inches
- D4 inches
2Minimum bend radius for Intrabuilding optical fiber during installation
- A10 times outside diameter
- B15 times outside diameter
- C20 times outside diameter
3Minimum bend radius for Backbone Optical fiber at rest
- A10 times outside diameter
- B15 times outside diameter
- C20 times outside diameter
4Minimum bend radius Interbuilding optical fiber during installation
- A10 times outside diameter
- B15 times outside diameter
- C20 times outside diameter
5Before work begins, it is important to secure the area to ________________ access to unauthorized personnel only.
- AAllow
- BPermit
- CRestrict
6What can be used to designate a work zone, area (select all that apply)
- Asafety cones
- Byellow tape
- Cfolding A frame signs
7What is the most common environmental hazards faced by the installer
- AFalls and trip hazards
- Bchemical hazards
- Celectrical wires or equipment
8All firestopping solutions are 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.
- AApproved methods
- BApproved materials
- CListed assembies
9As-built drawings are sometimes called record drawings to the general contractor or building owner.
- AVerdadeiro
- BFalso
10What tasks should be done after the cable is pulled ( select all that apply )
- ALabel all ICT components
- BUpdate the building floor plans
- CPerform housekeeping items
11Allow no more than two 90 degree bends per 30 m = (100 ft) pull if in conduit
- AVerdadeiro
- BFalso
12Controlling 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.- A2, 1
- B3, 2
- C4, 3
13Service slack for ____________ ____________ shall reach the farthest corner of the TR via pathways and add the distance from floor to ceiling.
- ACopper backbone cables
- BHorizontal copper cables
- COptical fiber cables
14 _____________ _____________ shall have enough slack to reach the farthest corner of the backboard via pathway in case new equipment is added later.
- ACopper backbone
- BHorizontal cables
- COptical fiber
15Optical fiber backbone cables shall require the same slack as optical fiber horizontal cables.
- AVerdadeiro
- BFalso
16Balanced 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.- A1 ft. - 1.6 ft.
- B1.6 ft. - 1 ft.
- C10 ft. - 3.3 ft.
17Optical fiber cables shall have 1 m = (3.3 ft. ) of slack left in the work area to allow for termination.
- AVerdadeiro
- BFalso
18A conduit 2 in. or less must maintain a bend radius of at least ____ times the internal conduit diameter.
- A6
- B8
- C10
19A conduit greater than 2 in. should maintain a bend radius of at least ___ times the internal conduit diameter.
- A6
- B8
- C10
20The maximum pull force for 4 pair 24 AWG cable is ___ lbf. the maximum pull force for two to four strand optical fiber is ___ lbf.
- A20, 40
- B25, 50
- C25, 75
21It is acceptable to use structural steel ( red iron ) to directly support cables.
- AVerdadeiro
- BFalso
22Pull string tensile strength ratings range from ______ to ______ lbf.
- A50 - 200
- B75- 200
- C75- 225
23Only 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
- AVisual fault locator (VFL)
- BOptical loss test set (OLTS)
- COptical time domain reflectometer (OTDR)
24Which test instrument requires access to both ends of the cable?
- AVFL
- BOTDR
- COLTS
25Where optical fiber cables will be used, consider placing three innerducts ( two 1.5 in. and one 1 in. )
inside each _______ conduit.- A4 in.
- B6 in.
- C8 in.
26Placing 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
- Aloose tube
- Btight buffer
- Cribbon
27Preferred method for attaching tight buffer fiber to a pull rope
- Asecuring aramid yarn strength member
- Bwire mesh grip
- C3 half hitches and a knot
28How much optical fiber cable slack should be left at the at the work area
- A3.3 ft.
- B10 ft.
- Cfarthest point of work area
29In air blown fiber, fluid drag is what carries the cable down the tube
- AVerdadeiro
- BFalso
30Air blown fiber is only recommended for inside plant applications.
- AVerdadeiro
- BFalso
31In air blown optical fiber installations, air pressure is typically between ______and ______ psi.
- A75- 200
- B150- 220
- C150- 250
32This 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 )
- AHorizontal Optical fiber
- BBackbone Optical fiber
- CCopper backbone
- DHorizontal Copper
Informações
- Descrição
- Evaluation Quiz sobre 5 Cable Installation, criado por Jeanie Fitzgerald em 03-11-2017.
- Autor
- Jeanie Fitzgerald
- Idioma
- English
- Visualizações
- 4
- Etiquetas
- Avaliação
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