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rules ac

rules ac
11問 • 1年前
  • john collins
  • 通報

    問題一覧

  • 1

    Minimum distance from ole

    2.75m 9ft

  • 2

    What must you do before asking for switch off if obstruction on another line

    protect obstruction

  • 3

    Rescuing a person within 2.75m 9ft of ole, what distance must they be away from ole

    600mm 2ft

  • 4

    Actions if loss of line light, ADD operation, tripping, damage to ole

    drop,stop,box

  • 5

    Line light goes out, can continue if

    ADD available but not operated, no unusual movement or noises from ole, can reset at first attempt, regain power

  • 6

    Examining ole max speed, when would you need competent person

    20

  • 7

    What are checking when looking at ole

    obstruction not more than 150mm 6in below contact wire, no more than 2 consecutive droppers come off, more than 3 ole structures away from tunnel or overbridge, nothing else obvious

  • 8

    Coasting with pantograph down, max speed

    20

  • 9

    What must you do if told about defective APC track inductor

    shut off power before neutral section

  • 10

    What 4 things must you be sure of before rescuing a person

    alive and can be reached from ground level, emergency switch off in place, person is more than 600m/2ft away from OLE etc, you or anything holding is more than 600m/2ft away from OLE etc

  • 11

    Name 3 scenarios when you might have to drop,stop,box

    damage to ole,ADD operates but line light doesn’t go out except if there is more than one pantograph on train, line light goes out and have made 1 attempt unsuccessfully to reset, if there is more than 1 panto in use or only panto is not on one of first 3 vehicles

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    john collins · 17問 · 1年前

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    john collins · 19問 · 1年前

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    19問 • 1年前
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    john collins · 18問 · 1年前

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    問題一覧

  • 1

    Minimum distance from ole

    2.75m 9ft

  • 2

    What must you do before asking for switch off if obstruction on another line

    protect obstruction

  • 3

    Rescuing a person within 2.75m 9ft of ole, what distance must they be away from ole

    600mm 2ft

  • 4

    Actions if loss of line light, ADD operation, tripping, damage to ole

    drop,stop,box

  • 5

    Line light goes out, can continue if

    ADD available but not operated, no unusual movement or noises from ole, can reset at first attempt, regain power

  • 6

    Examining ole max speed, when would you need competent person

    20

  • 7

    What are checking when looking at ole

    obstruction not more than 150mm 6in below contact wire, no more than 2 consecutive droppers come off, more than 3 ole structures away from tunnel or overbridge, nothing else obvious

  • 8

    Coasting with pantograph down, max speed

    20

  • 9

    What must you do if told about defective APC track inductor

    shut off power before neutral section

  • 10

    What 4 things must you be sure of before rescuing a person

    alive and can be reached from ground level, emergency switch off in place, person is more than 600m/2ft away from OLE etc, you or anything holding is more than 600m/2ft away from OLE etc

  • 11

    Name 3 scenarios when you might have to drop,stop,box

    damage to ole,ADD operates but line light doesn’t go out except if there is more than one pantograph on train, line light goes out and have made 1 attempt unsuccessfully to reset, if there is more than 1 panto in use or only panto is not on one of first 3 vehicles