RING 1 RING 2 $1 1 $5 MAJOR STREET $2 OJL $6 BARRIER = Phase Number = Protected Movement $3 MINOR STREET $4 = Permitted Movement >= Pedestrian Movement BARRIER In this ring and barrier diagram, which phase pairs constitute a concurrency group? O phase pair containing phases 1 and phase 2 & phase pair containing phase 3 and phase 4 phase pair containing phase 1 and phase 5 & phase pair containing phase 2 and phase 6 O phase pair containing phase 1 and phase 2 & phase pair containing phase 5 and phase 6 O phase pair containing phase 5 and phase 6 & phase pair containing phase 3 and phase 4

Residential Construction Academy: House Wiring (MindTap Course List)
4th Edition
ISBN:9781285852225
Author:Gregory W Fletcher
Publisher:Gregory W Fletcher
Chapter7: Introduction To Residential Service Entrances
Section: Chapter Questions
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RING 1
RING 2
$1
1
$5
MAJOR STREET
$2
OJL
$6
BARRIER
= Phase Number
= Protected Movement
$3
MINOR STREET
$4
= Permitted Movement
>= Pedestrian Movement
BARRIER
In this ring and barrier diagram, which phase pairs constitute a concurrency group?
O phase pair containing phases 1 and phase 2 & phase pair containing phase 3 and phase 4
phase pair containing phase 1 and phase 5 & phase pair containing phase 2 and phase 6
O phase pair containing phase 1 and phase 2 & phase pair containing phase 5 and phase 6
O phase pair containing phase 5 and phase 6 & phase pair containing phase 3 and phase 4
Transcribed Image Text:RING 1 RING 2 $1 1 $5 MAJOR STREET $2 OJL $6 BARRIER = Phase Number = Protected Movement $3 MINOR STREET $4 = Permitted Movement >= Pedestrian Movement BARRIER In this ring and barrier diagram, which phase pairs constitute a concurrency group? O phase pair containing phases 1 and phase 2 & phase pair containing phase 3 and phase 4 phase pair containing phase 1 and phase 5 & phase pair containing phase 2 and phase 6 O phase pair containing phase 1 and phase 2 & phase pair containing phase 5 and phase 6 O phase pair containing phase 5 and phase 6 & phase pair containing phase 3 and phase 4
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