46.With ear protection :

　There is no hazard area.

　There is a hazard area.

　There is a hazard area but only if the power is set above idle.

正确答案：B

A320机型英语知识练习

扫码进入小程序
随时随地练习

615.The service interphone system operates automatically when:

614.Which of the following is not part of the air conditioning PACK:

613.When the PACK airflow selector switch is selected “low” by bleeding air from APU, the outlet airflow of the PACK is:

612.What is the function of the bypass valve for the air conditioning PACK:

611.A/C on ground and engines shutdown,what are the conditions to erase the CVR recordings?

610.What is the purpose of the CVR ?

609.”ACARS MSG” on the upper ECAM display unit indicates:

608.The post flight report can be transmitted to the ACARS NU:

607.In radio-communication mode,which signal determines if the VHF 3 transceiver is tuned by the ACARS MU or by the RMPs?

606.What is the purpose of the static dischargers?