2939. Replace the slide valve if its surface is rough

A. Follow the working procedure.

B. Obey the working procedure.

C. Require the working procedure.

A. All the related data shall be grouped in a logical manner.

B. A logical method is required to group the unconcerned data together.

C. Divide all the involved data into groups logically.

A. The metal is has a plastic coat to prevent itself from being damaged;

B. The metal is covered outside to protect itself from damage;

C. The metal has a coating of plastic on it to prevent corrosion;

A. Some equipment are integrated into a monolithic structure which has the full circuit features.

B. Some devices are integrated circuit with monolithic structure which can operate independently.

C. Some devices have integrated components, in monolithic structure, which perform complete circuit Functions.

A. It is required to get a sample of the fabric without finish for the fabric punch tester.

B. Fabric punch tester is a device used to determine the strength of the fabric covering on an aircraft,which can get very accurate result.

C. Fabric punch tester is used to determine the relative strength of aircraft fabric.

A. 确保行李箱已空

B. 确保厨房柜已空

C. 确保卫生间已空

A. 当整个存储区域已满时,新的故障数据和当前航班的数据,将替换/覆盖故障历史中最老的航班的数据。

B. 当整体存储区域已满时,新的故障数据,例如当前飞行段的数据,将替换/覆盖具有最早故障历史航班的数据。

C. 当整个存储区域已满时,新的故障数据,即当前飞行段的数据,将替换/覆盖故障历史中最早的飞行段的数据。

A. Both master schematic diagrams and system function of complex systems should be for simplicity of presentation and understandability.

B. Complex systems should be divided into system function but not overall master schematic diagrams for homeliness and a better understanding of presentation.

C. For simplicity of presentation and understandability, complex systems should be divided into either system function or overall master schematic diagrams.

A. 制造商可制定查询CAP时的程序,并为发现的不适航的情况(无论是否包含在CAP中)提供建议(来自遵循CAP的营运人和维修厂)

B. 制造商可制定程序,对遵循CAP时发现的不适航的情况(无论是否包含在CAP中)提供反馈(来自遵循CAP的营运人和维修厂)

C. 制造商可制定程序,对补充CAP时发现的不适航的情况(无论是否包含在CAP中)提供方案(来自遵循CAP的营运人和维修厂)

A. Time the pressure decay.

B. Count the time necessary for the pressure to decrease.

C. Record the time for the pressure to go upwards.