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Train Driving > 3 Pos Signals > Flashcards

3 Pos Signals Flashcards

1
Q

🔴
🔴

A

Stop
Point, if any, are unknown
Track may be occupied
Must not proceed
Next signal is unknown

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2
Q

🟢
🔴

A

Clear Normal Speed:
Points, if any, are set
Track is clear
Proceed at track speed
Next signal is at proceed

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3
Q

🟡
🔴

A

Normal Speed Warning:
Point, if any, are set
Track is clear
Proceed at track speed
Next signal is at stop

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4
Q

🔴
🟢

A

Clear Medium Speed:
Point, if any, are set
Track is clear
Proceed at max 40km/h
Next signal is at proceed

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5
Q

🔴
🟡

A

Medium Speed Warning:
Point, if any, are set
Track is clear
Proceed at max 40km/h
Next signal is at stop

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6
Q

🔴
🔴
🧀

A

Low Speed Caution:
Point, if any, are set
Track may be occupied
Proceed at max 15km/h
Prepare to stop if next signal is at stop

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7
Q

🟡
🟢

A

Reduce to Medium:
Point, if any, are set
Track is clear
Proceed at track speed but reduce to medium by next signal
Next signal is a medium aspect

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8
Q

What is the function of 3 position signals?

A

More information about the track ahead

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9
Q

The location of Green or yellow, top or bottom lights informs the driver of what?

A

Points- set or not set
Track section ahead- clear or occupied
Speed- normal or medium speed
Next signal- proceed aspect or Stop

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10
Q

3 position signals are what type?

A

Light type

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11
Q

The A light refers to what light

A

Top light

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12
Q

The B light refers to what light?

A

Bottom light

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13
Q

The C light on a specific signal is where

A

Below the home signals

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14
Q

Name 3 classes of 3 position signals

A

Home
Automatic
Dwarf

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15
Q

How are home signals distinguished?

A

Vertically one above the other

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16
Q

How are automatic signals distinguished?

A

Two lights are staggered

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17
Q

How are dwarf signals distinguished?

A

Display one coloured light at a time

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18
Q

Who controls a home signal

A

The signaller

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19
Q

3 position home signals are fixed at and protect what?
(5 answers)

A

Stations
Signal boxes
Sidings
Level crossings
Junctions

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20
Q

What is the primary purpose of automatic signals?

A

To expedite the passage of trains by dividing long sections into shorter sections

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21
Q

Can you pass a home signal under rule 1 section 3

A

No

22
Q

Who controls dwarf signals?

A

Signaller

23
Q

Dwarf signals control train movements from
(4 answers)

A

Running line to running line
Running line to siding
Siding to running line
Siding to siding

24
Q

Name the fixed signals that are absolute?
(3 answers)

A

Home
Dwarf
Disc

25
Q

Name the signals that are permissive and what rule needs to be followed

A

Automatic signals
Rule 1 sec 3

26
Q

Home and automatic signals are what colours?

A

Red 🔴
Green 🟢
Yellow 🟡

27
Q

Dwarf signals are what colours

A

Purple 🟣
Blue 🔵
Red 🔴
Green 🟢
Yellow 🟡

28
Q

Name the 3 colours on dwarf signals that mean stop

A

Purple 🟣
Blue 🔵
Red 🔴

29
Q

What is the only colour a marker light can display?

A

Red 🔴

30
Q

When can a low speed caution never be used?

A

Bi-directional portion of track

31
Q

Illuminated 65 or 80 on 3 position signals tells us what about the point ahead?

A

High speed points

32
Q

🔴
🟢
65

A

Clear medium speed illuminated 65:
Point, if any, are set
Track is clear
Proceed at illuminated speed
Next signal is at proceed

33
Q

Illuminated letter “A” on 3 position signals home signal informs the driver of what?

A

-Point for the home signal, set to mainline
-Signal operating as automatic singal
-Rules that apply to passing a Stop position on automatic signals apply

34
Q

What colour is the illuminated A

A

Red 🔴

35
Q

When the signaller is operating the points and signals the Signal Box is…..

A

Switched In signal box

36
Q

The signaller goes Off duty, the signal box is considered…..

A

Switched-out

37
Q

Switched Out signals is also known as what mode?

A

Fleeting mode

38
Q

3 position dwarf signals indicated what 3 aspects

A

Stop
Low speed caution
Clear low speed

39
Q

What is the primary purpose of Banner Indicators?

A

To indicate the aspect of the signal ahead where a clear view cannot be obtained

40
Q

Can a banner indicator have a fixed market light?

A

Yes

41
Q

What does this banner indicator mean?

⚪️⚪️⚪️⚪️

A

Stop/red 🔴

42
Q

What does this banner indicator mean?
⚪️
⚪️
⚪️
⚪️

A

Yellow 🟡
Caution/warning

43
Q

What does this banner indicator mean?
⚪️
⚪️
⚪️
⚪️

A

Green 🟢
Proceed

44
Q

If a banner indicator fails, what does the diver presume the next signal displays?

A

STOP

45
Q

Repeating signals are used for what purpose?

A

To give advance warning when leaving a 2 position signals to a 3 position signalled area

46
Q

Repeating signals can display what 3 aspects

A

Warning
Proceed
Reduced to medium

47
Q

Repeating signals is advising what
🟡
🟡

A

Warning

48
Q

Repeating signals is advising what
🟢
🟡

A

Proceed

49
Q

Repeating signals is advising what
🟡
🟢

A

Reduced to medium

50
Q

What is a tramway square?

A

Home signal protecting overhead so that voltage can be switched for tram

51
Q

What is track circuitry?

A

When a trains front wheels pass the relay area it makes the previous signal revert back to its safest position “Stop”

Train Driving (91 decks)

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