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AGK 4
17問 • 1年前
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    問題一覧

  • 1

    It comes with bigger engines and with better capacity and fitted with advanced instruments to help pilots better manage the flights. They have the capacity to fly at higher altitudes.

    Jet aircrafts.

  • 2

    It has a mechanical connection from the gas generator (gas-turbine engine) to the reduction gear box and propeller.

    fixed turbine.

  • 3

    It has only an air link from the gas generator to the power turbine shaft where the propeller is connected.

    free turbine.

  • 4

    A type of gas turbine engine that was originally developed for military fighters during World War II.

    turbojet engine.

  • 5

    It converts majority of the compressed air into thrust and only a portion of compressed air is burned with the addition of fuel in the combustion chamber.

    turbo fanjet engine.

  • 6

    The flow is turned perpendicular to the axis of rotation.

    centrifugal flow compressor jet engine.

  • 7

    The flow runs parallel to the axis of rotation.

    axial flow compressor jet engine.

  • 8

    It is much the same as a turbojet, but with an enlarged fan at the front which provides thrust in much the same way as a propeller. It also has extra turbine stages to turn the fan.

    turbofan.

  • 9

    These are more efficient than propellers in the trans-sonic ranger of aircraft speeds, and can operate in the SUPERSONIC realm.

    turbofan.

  • 10

    Where is free turbine located?

    always behind the combustion chamber.

  • 11

    It consists essentially of an opening which is designed to minimise drag.

    air intake (inlet).

  • 12

    This section is divergent duct that utilizes Bernoulli's principle to decrease the velocity of the compressed air to allow for easier ignition. At the same time continuing to increase the air pressure before it enters the combustion chamber.

    diffuser section.

  • 13

    This is a chamber where fuel is continuously burned in the compressed air.

    combustion chamber.

  • 14

    It is a series of bladed discs that act like a windmill, gaining energy from the hot gases leaving the combustor.

    turbine.

  • 15

    Hot gases leaving the engine exhaust to atmospheric pressure via a ________, the objective being to produce a high velocity jet. It is also a convergent and of fixed flow area.

    nozzle.

  • 16

    Its operations at high altitude and airspeed has compressibility and aircraft manufacturer must overcome these problems.

    jet engines.

  • 17

    Turbofan engine has approximately how many percentage of the thrust is generated by the fan while the remaining percent is generated by the engine core?

    80% to 90%

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    問題一覧

  • 1

    It comes with bigger engines and with better capacity and fitted with advanced instruments to help pilots better manage the flights. They have the capacity to fly at higher altitudes.

    Jet aircrafts.

  • 2

    It has a mechanical connection from the gas generator (gas-turbine engine) to the reduction gear box and propeller.

    fixed turbine.

  • 3

    It has only an air link from the gas generator to the power turbine shaft where the propeller is connected.

    free turbine.

  • 4

    A type of gas turbine engine that was originally developed for military fighters during World War II.

    turbojet engine.

  • 5

    It converts majority of the compressed air into thrust and only a portion of compressed air is burned with the addition of fuel in the combustion chamber.

    turbo fanjet engine.

  • 6

    The flow is turned perpendicular to the axis of rotation.

    centrifugal flow compressor jet engine.

  • 7

    The flow runs parallel to the axis of rotation.

    axial flow compressor jet engine.

  • 8

    It is much the same as a turbojet, but with an enlarged fan at the front which provides thrust in much the same way as a propeller. It also has extra turbine stages to turn the fan.

    turbofan.

  • 9

    These are more efficient than propellers in the trans-sonic ranger of aircraft speeds, and can operate in the SUPERSONIC realm.

    turbofan.

  • 10

    Where is free turbine located?

    always behind the combustion chamber.

  • 11

    It consists essentially of an opening which is designed to minimise drag.

    air intake (inlet).

  • 12

    This section is divergent duct that utilizes Bernoulli's principle to decrease the velocity of the compressed air to allow for easier ignition. At the same time continuing to increase the air pressure before it enters the combustion chamber.

    diffuser section.

  • 13

    This is a chamber where fuel is continuously burned in the compressed air.

    combustion chamber.

  • 14

    It is a series of bladed discs that act like a windmill, gaining energy from the hot gases leaving the combustor.

    turbine.

  • 15

    Hot gases leaving the engine exhaust to atmospheric pressure via a ________, the objective being to produce a high velocity jet. It is also a convergent and of fixed flow area.

    nozzle.

  • 16

    Its operations at high altitude and airspeed has compressibility and aircraft manufacturer must overcome these problems.

    jet engines.

  • 17

    Turbofan engine has approximately how many percentage of the thrust is generated by the fan while the remaining percent is generated by the engine core?

    80% to 90%