For airplanes certificated after January 1, 1985, regardless of certification basis, the speed(s) at the 50 foot obstacle may not be less than 20% above the power-off stall speed for the same airplane configuration.

A. The pneumatic system gets compressed air from the pneumatic air sources and supplies the compressed air through ducts to the user systems.

B. The pneumatic system gets compressed air from the pneumatic air sources and supplies the compressed air through manifold to the user systems.

C. The pneumatic system gets comprised air from the pneumatic air sources and supplies comprised the air through ducts to the user systems.

A. 如果由于腐蚀你不能拆卸螺栓，则涂渗透油。

B. 如果你不能去除螺栓的腐蚀，则申请穿透油。

C. 如果你由于防腐不能拆卸螺钉，则涂渗透油。

A. 如果最初的设置已更正，将在CDU显示器上显示“自动测试完成”。

B. 如果初始化设置正确，将在CDU显示屏上显示“自动测试进行中”。

C. 如果“自动测试正在进行”显示在CDU显示屏上则表明初始化设置正确。

A. 裸露的金属表面通常适合电搭接。

B. 纯金属表面通常适用于电气连接。

C. 金属搭接面通常具有良好的电气连接效果。

A. 外圆周长必须与内圆周长相匹配。

B. 外侧半径必须与内侧半径等比例。

C. 外径必须与内径同心。

A. 把螺帽拧松一圈。

B. 拧紧螺帽半圈。

C. 拧紧螺帽一圈。

A. The tune time for a frequency not in memory is 2 to 4 seconds typical, 7 seconds maximum.

B. The adjust time for a frequency not in memory is 2 to 4 seconds typical, 7 seconds maximum.

C. The tune time for a frequency not in memory is 2 to 4 seconds common, 7 seconds maximum.

A. 如果不能安全执行此地面移动操作，警告不要再次尝试它。

B. 如果不能安全执行此操作，应提供警告不要再次尝试此操作。

C. 如果不能安全执行此操作，应提供警告不要尝试此操作。

A. The following information on maneuvers appropriate to the Airplane Category shall be given: (a) A Statement of Authorized Maneuvers and Appropriate Entry Speeds (b) A Statement of Unauthorized Maneuvers (c) A Statement that the airplane is Approved for Spins, Unapproved for Spins, or is characteristically incapable of spinning.

B. The following information should be provided to the maneuver flight as appropriate: (a) A Statement of Entry Speed for Authorized Maneuvers (b) A Statement of Unauthorized Maneuvers (c) A Statement that aircraft is Unapproved or not suitable for Spinning.

C. The following appropriate information should be provided to the aircraft maneuvers: (a) A Statement of Appropriate Entry Speed for maneuvers flight (b) A Statement of Unauthorized maneuvers (c) A Statement that aircraft has been unapproved for Spins, or is characteristically incapable of spinning.

A. Obey the safety precautions when you do work with high voltages.

B. Obey the safety warnings when you do work with high impedance.

C. Obey the safety cautions when you do work with high capacitance.