相关题目
判断正误:在地面上时,如果 APU 的转速超过 5%,或者空中飞行时,APU 转速超过 10%,那么 ECU 将抑制起动过程。True or False: If the APU is rotating above 5% RPM (on ground) or windmilling above 10% (in-flight) the ECU will inhibit start.
在 APU 起动和运行过程中,同时需要 APU 电瓶和主电瓶工作。它们的最低电压是 _____ 伏直流电。Both the APU and main battery are required to start and operate the APU. The minimum battery voltage for both is _____ volts DC.
在飞行状态下,当 APU 转速下降到低于()时,可以立即重新起动 APU(起动机重新接入系统)。In flight, an immediate restart (APU starter reenactment) can be initiated upon APU rpm rolldown below().
APU 起动机起动次数有严格的要求,一小时内最多起动____次或尝试起动。The APU starter motor duty cycle is limited to no more than ____ starts or start attempts in 1 hour.
APU 起动系统由直流起动机和一系列由 ECU 控制的继电器组成。起动系统的电源是: The APU start system consists of a DC starter motor and a series of relays that are controlled by the ECU. The electrical power source is:
APU排气温度(EGT)受以下参数影响:APU EGT is influenced by:
判断正误:当 APU 转速超过 50% 时,进气门完全打开。True or false: At APU rpm greater than 50%, the intake door is fully open.
判断正误:如果不知道 APU 进气门的位置,那么空速不得超过 220KIAS,或者 APU 必须保持运行状态。True or false: If the APU door position is unknown, airspeed is restricted to 220 KIAS, or the APU must remain in operation.
APU驱动的附件包括The APU driven accessories include:
以下哪个是APU主要部件组成。Which of the following is major component of APU:
