The circulation of the air in the components is such that the temperature for specific component is not out of the limit.

A. Keep all the parts that are serviceable and discard those that are broken.

B. Retain the parts that are functional and discard those that are of poor condition.

C. Keep all the parts that are operational and drop those that are contaminated.

A. Light L4 illuminates within 5 seconds.

B. Light L4 comes on after 5 seconds.

C. Light L4 comes on 5 seconds before.

A. 对2号引擎进行排故。

B. 对2号发动机进行大修。

C. 对2号发动机进行校验。

A. 操作部件两个循环，从管道排除空气，拆下组件。

B. 操作部件两个循环，排除管道中的空气。

C. 操作部件使空气两次循环，从管子上拆下。

A. Collect all maintenance records for the part PNxxxx.

B. Compile all maintenance logs for the component PNxxxx.

C. Collect all flight logs for the component PNxxxx.

A. 缠紧卷轴上的发条。

B. 将胶带缠绕在卷筒上。

C. 将胶带粘贴在线圈上。

A. For clean configuration of landing, the limit load factor in g unit should be provided. For spinning and aerobatic aircraft, the load factor of flaps down should be provided as well.

B. The limit maneuvering load factors, in g units of acceleration, for clean cruise and landing configurations, shall be given. The negative g limit, flaps up, should be given for aircraft approved for spinning or aerobatics.

C. The flight maneuver load factor limit in the unit of g should be given for the smooth configuration of aircraft cruising and landing. For aircraft approved for spin or aerobatics, load limits should also be provided when flaps are opened.

A. 裂缝的最大长度为5英尺。

B. 裂缝的最大长度为5英寸。

C. 裂缝的最大深度为5英寸。

A. 燃油排放系统保持油箱压力接近环境压力。太大的压力会引起机翼结构损坏。

B. 燃油通风系统保持油箱压力接近大气压力。压差过大会引起机翼结构损坏。

C. 燃油通风系统确保油箱压力在接近大气压时保持稳定。太大的压力变化会引起机翼结构损坏。

A. 拆下螺栓和止动块。

B. 拆下螺帽和挡板。

C. 拆下螺钉和螺帽。