Rafts passing tests and inspections may remain in service indefinitely since the inflation tests and material inspections will identify and condemn rafts having more than minor installation defects.

A. "EMERGENCY EXIT" placard at exit hatch over Left wing is illegal.

B. "EMERGENCY EXIT" placard at exit hatch over Left wing is not legible.

C. "EMERGENCY EXIT" placard at exit hatch over Left wing is missing.

A. Each revision and the effective page should be logged in the logbook.

B. Only the effective revisions pages need to be recorded in the manual.

C. Each manual shall have a record of revisions or effective pages.

A. Using either method, the item to be checked is in the list of the desired condition.

B. Either way, check the listed item whose desired condition is stated.

C. No matter which method is used, the item to be checked is listed and its desired condition is presented.

A. Clean the surface with a soap and clean a water solution.

B. Use a soap-and-water solution to clean the surface.

C. Use a soap to clean the surface and a water solution.

A. Detection system will provide information about how to detect ice.

B. Detection system is utilized to find and display ice formation.

C. The detection information of ice is from the indication system.

A. There are only four kinds of fasteners.

B. Fasteners is generally divided into four types.

C. We classify the fasteners through four dimensions in general.

A. Evaluate the impedance between the antenna baseplate and the airplane skin.

B. Record the measured resistance between the antenna baseplate and the airplane skin.

C. Perform the measurement of the resistance between the antenna baseplate and the airplane skin.

A. The actuator receives a hydraulically controlled mechanical command from FCC who sends an electrical commands and the aileron and the elevator power control units(PCU) will carry out this command.

B. FCC sends an electrical order to autopilot actuator. The actuator converts it to a hydraulically controlled mechanical command. The aileron and the elevator power control units(PCU) will carry out this command.

C. FCC sends an electrical commands to autopilot actuator. The actuator receive it to a hydraulically controlled unit . The aileron and the elevator power control units(PCU) will carry out this command from hydraulically controlled unit.

A. Schematic diagram designers may make a compromise so as to add more details to make the diagram self-explanatory and keep its simplicity at the same time for ease of reading and understanding.

B. In designing schematic diagrams, it may be necessary to pay attention to both detail that is necessary to make the diagram self-explanatory, and simplicity that is essential for ease of reading and understanding.

C. Detail makes the diagram self-explanatory. Simplicity makes it easy to read and understand. It is necessary to consider both of them and make a compromise if needed when designing schematic diagrams.

A. The wording given in the approved example is of a suggested nature. It only represents approved words for writing the same information. You can express the same thing with different constructions and other approved words.

B. It is necessary to use these terms in the approved example sentences to write standard information. You can choose what to express and how to express it from the approved structure

C. The wording must be approved to indicate that the information should be written to the same standard and you can often use similar structures and words to describe the same thing.