CHAPTER3B

CHAPTER3B
10問 • 2年前
  • Dorian Pinuellas
  • 通報

    問題一覧

  • 1

    The operating cycle of events used by turbine engines is known as the__________- cycle.

    Brayton

  • 2

    The Brayton cycle is known as a constant __________ (pressure or volume) cycle.

    pressure

  • 3

    A large turbine engine can operate with a thermal efficiency as high as _______ percent.

    50

  • 4

    Warm air is _______ (more or less) dense than cool air.

    less

  • 5

    As the temperature of the air at the intake of a turbine engine increases, the amount of thrust produced will __________ (increase or decrease).

    decrease

  • 6

    To counteract the effects of high intake temperatures, some engines use a __________ thrust augmentation system.

    water injection

  • 7

    Net thrust of a turbine engine will __________ (increase or decrease) with an increase in altitude.

    decrease

  • 8

    The net effect of airspeed on thrust is that the thrust _______ (will or will not) increase as airspeed increases.

    will

  • 9

    The speed at which the ram air pressure rise cancels the pressure drop inside the inlet duct is known as the _______ __________ point.

    ram recovery

  • 10

    In most modern engines, power is set using the _______ indicator.

    EPR

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    Dorian Pinuellas · 15問 · 1年前

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    15問 • 1年前
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    問題一覧

  • 1

    The operating cycle of events used by turbine engines is known as the__________- cycle.

    Brayton

  • 2

    The Brayton cycle is known as a constant __________ (pressure or volume) cycle.

    pressure

  • 3

    A large turbine engine can operate with a thermal efficiency as high as _______ percent.

    50

  • 4

    Warm air is _______ (more or less) dense than cool air.

    less

  • 5

    As the temperature of the air at the intake of a turbine engine increases, the amount of thrust produced will __________ (increase or decrease).

    decrease

  • 6

    To counteract the effects of high intake temperatures, some engines use a __________ thrust augmentation system.

    water injection

  • 7

    Net thrust of a turbine engine will __________ (increase or decrease) with an increase in altitude.

    decrease

  • 8

    The net effect of airspeed on thrust is that the thrust _______ (will or will not) increase as airspeed increases.

    will

  • 9

    The speed at which the ram air pressure rise cancels the pressure drop inside the inlet duct is known as the _______ __________ point.

    ram recovery

  • 10

    In most modern engines, power is set using the _______ indicator.

    EPR