3184. Operational Test That procedure required to ascertain only that a system or unit is operable

A. You must inspect the check valve to make certain that the spring holds the check valve open a short distance before installing the duct and check valve assembly.

B. Before you installing the duct and check valve assembly, you must check the check valve to make sure the spring holds the check valve open a short distance.

C. You must exam the check valve to ensure the spring holding the check valve open a short distance before mount the duct and check valve assembly.

A. 本工作为准备飞机航班而给出维护步骤,以防两个空调组件失效。

B. 在两个空调组件关闭的情况下,本工作给出了为飞机飞行做准备的维护步骤。

C. 本工作给出了在两个空调组件均不工作的情况下为飞机飞行做好准备的维护步骤。

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. Procedures shall be omitted for coping with cases of smoke and/or fire in the cabin or from an engine in the following fight segments.

B. Procedures shall be provided for accompany with cases of smoke and/or fire in the cabin or from an engine in the following flight sectors.

C. Procedures shall be provided for coping with cases of smoke and/or fire in the cabin or from an engine in the following flight phases.

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. If the filter bonds to the tool, make the tool moist with cold water.

B. If the filler bonds to the tool, make the tool moist with cool water.

C. If the filler bonds to the tool, make the tool moist with cold water.

A. The lower seal appears as the lower bearing is pulled down.

B. You can see the lower seal before pulling the lower bearing down.

C. Only after you pull the lower seal down can you see the lower bearing.

A. Oil the steel surfaces.

B. Sprinkle the oil to the steel surface.

C. Apply oil to the steel surfaces.

A. Set a point at the fire temperature the gas grows larger to close the FIRE pressure switch in the detector. This influences the resistance longer.

B. When the fire temperature is set at the point, the gas extends more to shut the FIRE pressure switch in the detector. This abates the further resistance.

C. At the fire temperature set point, the gas inflates further so as to close the FIRE pressure switch in the detector. This diminishes the resistance moreover.

A. If pump makes noise, shut it down and check the pump filter.

B. If pump operation is noisy, check pump filter for metal particles.

C. If there is noise when the pump operates, examine the filter for metal particles.