A、One of the two directional valves.
B、The enable solenoid valve.
C、The Linear Variable Differential Transducer.
答案：B
A、One of the two directional valves.
B、The enable solenoid valve.
C、The Linear Variable Differential Transducer.
答案：B
A. By comparison between the SFCC commands and the Asymmetry PPU signals.
B. By comparison between the SFCC commands and the Feedback PPU signals.
C. By comparison between Asymmetry PPU and the Feedback PPU signals.
A. When the EMER EXIT LT selector is in the ON position.
B. When the EMER LIGHT pushbutton on the FAP is pressed and the 28 VDC ESS BUS is lost.
C. When the main lighting system has failed.
A. The master FMGC supplies bith PDFs and NDs.
B. The slave FMGC supplies bith PDFs and NDs.
C. Each FMGC supplies its related PFD and ND.
A. By the vacuum created in the waste tank.
B. By the water flushing and gravity.
C. By water pressure.
A. By releaseing out the ENG FIRE P/B.
B. By removing electrical power form A/C.
C. The valve is already closed.
A. To enable the received audio signals to be selected.
B. To enable the received audio signals and the frequencies to be selected.
C. To enable the frequencies of all the radio communication systems to be selected.
A. Red when in presence of a corrective RA detection.
B. Green when in presence of a corrective RA detection.
C. Red or green when in presence of a corrective RA detection depending on the sector band in which they are.
A. To control mask oxygen inlet.
B. To prevent oxygen inlet to mask.
C. To control oxygen supply during tests and mask operation.
A. ISA + 15℃ （59°F）
B. ISA + 30℃ （86°F）
C. ISA + 59℃ （138°F）
A. LP Fuel SOV.
B. Hydraulic Fire SOV.
C. Fuel Isolation Valve.
