9.4.2_Conveying Systems_Construction Facts/Rules Flashcards
1
Q
Single Automatic
A
one call @ time
2
Q
Selective Collective
A
answers all up calls on up trip,
down calls on down trip.
3
Q
Group Automatic
A
large bdlgs
all elevators w/ programmable microprocessor,
respond to calls most efficient way.
4
Q
Computer Controls
A
sophisticated & $,
programmed by data from traffic patterns.
5
Q
Collective Control:
A
rarely used today,
does NOT distinguish between up and down calls.
6
Q
all public elevator must
A
self level
7
Q
elevator buttons can be mounted up to
A
54” +FF
8
Q
min lobby width
A
10’
9
Q
elevator safety feature #1
A
centrifugal governor
10
Q
elevator safety feature #2
A
safety rail clamps
