signal aspects Flashcards

(60 cards)

1
Q

in three position signals, what does 2 reds mean

A

STOP

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2
Q

in three position signals, what does yellow over red mean

A

normal speed warning

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3
Q

in three position signals, what does green over red mean

A

clear normal speed, green over red is clear up ahead

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4
Q

in three position signals, what does yellow over green mean

A

reduce to medium

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5
Q

in three position signals, what does red over yellow` mean

A

medium speed warning

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6
Q

in three position signals, what does red over green mean

A

clear medium speed

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7
Q

in three position signals, what does 2 reds with a yellow C light mean

A

low speed caution

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8
Q

in three position signals, what does a yellow or green A light mean

A

normal

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9
Q

in three position signals, what does a yellow or green B light mean

A

medium

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10
Q

in three position signals, what does a yellow dwarf signal mean

A

low speed caution, 15 kph

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11
Q

in three position signals, what does a green dwarf signal mean

A

clear low speed

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12
Q

in three position signals, what does a red, blue or purple dwarf signal mean

A

STOP

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13
Q

what is the PTSN for stop in 3 pos

A

red
may or may not be set
may or may not be occupied
stop
unknown

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14
Q

what is the PTSN for normal speed warning in 3 pos

A

yellow over red
set if any
clear
track speed, prepare to stop
next signal is at stop

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15
Q

what is the PTSN for clear normal speed in 3 pos

A

green over red
set if any
clear
track speed
proceed

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16
Q

what is the PTSN for reduce to medium in 3 pos

A

yellow over green
set if any
clear
track speed, 40 (medium) by next signal
medium aspect

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17
Q

what is the PTSN for medium speed warning in 3 pos

A

red over yellow
set if any
clear
40kph, prep to stop
stop

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18
Q

what is the PTSN for clear medium speed in 3 pos

A

red over green
set if any
clear
40 kph
proceed

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19
Q

what is the PTSN for low speed caution in 3 pos

A

red red yellow
set if any
may or may not be occupied
15 kph, prep to stop
unknown, most likely at stop

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20
Q

what is the PTSN for a dwarf at stop in 3 pos

A

red blue or purple
may or may not be set
may be occupied
stop
unknown

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21
Q

what is the PTSN for a dwarf at low speed caution in 3 pos

A

yellow
set if any
may be occupied
15 kph, prep to stop
unknown

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22
Q

what is the PTSN for a dwarf at clear low speed in 3 pos

A

green
set if any
clear
15 kph
proceed

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23
Q

what are the types and classes for 3 pos signals 4

A

light type
home
automatic
dwarf

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24
Q

what does a banner indicator in a horizontal position mean

A

red

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25
what does a banner indicator in a vertical position mean
green
26
what does a banner indicator in a 45 degree position mean
yellow
27
What types of 2 pos signals are there
Light type Disc type
28
What classes of 2 position signals are there 5
Disc Dwarf Distant Home Calling on
29
What aspects can home dwarf and disc 2 pos signals display
Stop Proceed
30
What aspects can 2 position distant signals display
Caution Proceed
31
What aspects can 2 position siding dwarf and calling on signals display
Normal Proceed
32
Where will 2 pos signals take you
To a specific track
33
What do 2 position home signals protect
Ssslj Stations Signal boxes Sidings Level crossings Junctions
34
What does stop aspect on a 2 position home mean ptsn
Red Unknown May be occupied Stop Unknown
35
What does a proceed aspect on a 2 position home signal mean ptsn
Green Set if any Clear Track speed or appropriate speed Unknown be prepared to stop
36
What aspects can a calling on signal display
Normal- refer to home signal above Proceed- proceed ant caution into siding or occupied section of track. Yellow light on
37
What do disc signals control
Running to running Running to siding Siding to running Siding to siding
38
What can a disc signal display
Stop. Red disc or red light at night Proceed. Disc turned to the side. Green light at night
39
What does a disc ay stop mean ptsn
May not be set May be occupied Stop Unknown
40
What does a disc at proceed mean ptsn
Set May be occupied Reduce speed cautiously, prepare to stop Unknown. Prepare to stop
41
What can 2 position signals not tell you
Speed
42
What speed are siding locations
15kph
43
What speed are points or running line to running line
40 kph unless otherwise specified (65 or 80 light on signal)
44
What are dwarf signals and siding dwarfs used to control
Running line to running line Running line to siding Siding to running line Siding to siding
45
What are the 2 kinds of 2 position dwarf signals
Standard and siding
46
What can a standard 2 position dwarf display
Stop red blue purple Proceed green
47
What can a 2 position siding dwarf display
Proceed yellow Normal no light
48
What is the ptsn of a 2 position dwarf at stop
May not be set May be occupied Stop Unknown
49
What does a 2 position dwarf at proceed mean ptsn
Set May be occupied Reduce cautiously prepare to stop Unknown
50
What is a siding dwarf used for
Shunting into sidings
51
What is the ptsn of a siding dwarf at normal
May not be set May be occupied Stop Obey aspect shown on home signal above
52
What is the ptsn of a siding dwarf at proceed
Set May be occupied Reduce cautiously prepare to stop Unknown
53
What is a stop hand signal 4
Red light on dispatch paddle 2 arms above head Red flag Red light or any waves violently
54
What is a move towards hand signal 2
Wave arm inwardly across body (come here motion) White light slowly across body side to side
55
What is a move towards slowly hand signal 2
Wave arm in inwardly motion with other arm raised Green light across body side to side
56
What is a move away hand signal 2
Wave arm outwardly in a circle White light slowly up and down
57
What is a move away slowly hand signal
Wave arm in circle with other arm up Green light slowly up and down
58
What is an ease up hand signal ( for coupling) 2
Both hands above head in arch then seperate Green light slowly across body side to side
59
What is an all right hand signal 4
Arm out horizontal White flag White light held out or dispatch paddle with white light
60