220.所需转速驱动发电机的机械装置。 ( )

A. 　If an AC circuit consists of resistance only, the value of the impedance is the same as the resistance.

B. 　If an AC circuit consists of impedance only, the value of the capacitance is the same as the impedance.

C. 　If an DC circuit has capacitance only, the value of the resistance is the same as the capacitance.

A. 　如果部件跌落,有可能会造成轻微的损坏。

B. 　如果部件掉落,可能会造成永久性的损坏。

C. 　部件永久性的损坏可能是由掉落造成的。

A. 　如果可行的话,手册中出现的计量单位应该保持一致。

B. 　实际上,手册中出现的测量值必须保持一致

C. 　手册使用的计量单位必须与实际清况保持一致。

A. 打开/关闭整流罩时，不要站在整流罩和发动机之间

B. 不能在风扇整流罩打开并锁定的情况下，功率高于慢车

C. 风速大于65节排故可以短时打开风扇整流罩

D. 风速大于65节不能打开风扇整流罩

A. 　It is stated int the document that you should inform the FAA about the alterations you＇ll perform on the airplane to insure the airworthiness of the airplane.

B. 　The document says that the FAA should be involved in any alterations on airplane so to insure that the airplane will not violate any airworthiness.

C. 　The document sets forth that you should contact the FAA before any alterations on airplane to make sure that the airplane is airworthy continuously.

A. 　为了从表格里提取准确的性能值,需要在中位数之间挑选。

B. 　为了从表中获得准确的性能值,需要在增量值之间插值。

C. 　为了从表中获取准确的性能值,需要评估增长的中间值。

A. 　The gearbox is installed behind the pneumatic motor.

B. 　The bump is installed behind the hydraulic motor.

C. 　The bump is installed behind the pneumatic motor.

A. 　在 APU 运转过程中,如出现滑油渗漏,检查滑油温度传感器。

B. 　在 APU 运转过程中,检查滑油温度传感器的滑油渗漏程度。

C. 　在 APU 运转过程中,检查滑油温度传感器有无滑油渗漏迹象。

A. 　Scientific verbs must disobey the same rules as other approved verbs in STE.

B. 　Technical verbs must obey the same rules as other approved verbs in STE.

C. 　Mechanical verbs must violate the same rules as other approved verbs in STE.

A. 　An example is the bleed system, supplying bleed to both the air conditioning system and the engine starters.

B. 　An example is the pneumatic system, supplying air to both the air conditioning system and the engine starters.

C. 　For example is the pneumatic system, giving air to both the air conditioning system and the engine starters.