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M7c9
9問 • 1年前
  • ユーザ名非公開
  • 通報

    問題一覧

  • 1

    Aluminium tubing with outside diameters less

    than 3/8 in [0.952 cm] must have a double flare.

  • 2

    Flare less Coupling

    the fitting consists of three parts a body a sleeve and a nut

  • 3

    Check that pipe is clear of the surrounding structure the minimum clearance as follows from control rods and rigid moving parts is

    18 mm (0.75 in )

  • 4

    Flexible hoses are pressure tested to

    1.5% times the maximum working pressure. Test with the normal system fluid or paraffin.

  • 5

    Pipe a way From control rods and rigid moving parts is

    18 mm (0.75 in)

  • 6

    A small amount of flattening in bends is acceptable, but should not exceed an amount such that the small diameter of the flattened portion is

    less than 75% of the original outside diameter.

  • 7

    Bore Test Pass a ball through the pipe from each end in turn. The ball diameter should be at

    least 80% of the diameter of the pipe. Flow test may be specified.

  • 8

    The parts required to make up a flared-tube fitting

    are sleeve and nut.

  • 9

    Fretting corrosion on a braided pipe would mean it was

    unserviceable and should be replaced

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    問題一覧

  • 1

    Aluminium tubing with outside diameters less

    than 3/8 in [0.952 cm] must have a double flare.

  • 2

    Flare less Coupling

    the fitting consists of three parts a body a sleeve and a nut

  • 3

    Check that pipe is clear of the surrounding structure the minimum clearance as follows from control rods and rigid moving parts is

    18 mm (0.75 in )

  • 4

    Flexible hoses are pressure tested to

    1.5% times the maximum working pressure. Test with the normal system fluid or paraffin.

  • 5

    Pipe a way From control rods and rigid moving parts is

    18 mm (0.75 in)

  • 6

    A small amount of flattening in bends is acceptable, but should not exceed an amount such that the small diameter of the flattened portion is

    less than 75% of the original outside diameter.

  • 7

    Bore Test Pass a ball through the pipe from each end in turn. The ball diameter should be at

    least 80% of the diameter of the pipe. Flow test may be specified.

  • 8

    The parts required to make up a flared-tube fitting

    are sleeve and nut.

  • 9

    Fretting corrosion on a braided pipe would mean it was

    unserviceable and should be replaced