更多"[单选题]When a side of engine bleed fa"的相关试题:
[单选题]If bleed pressure fails, engine anti-icing valve ____
A. Keeps OFF
B. Keeps ON
C. Keeps normal position
[单选题]If both RTL fails, when returning to low speed logic:
A. move retaining device to recover the maximum rudder deflection when slats reach out
B. retain RTL at the last position
C. move retaining device to the maximum rudder deflection at any time
[单选题]A side of engine bleed pressure is abnormal, the outlet temperature of residual pneumatic precooler exceeds 240 ℃ within 2 minutes after x-bleed valve opens, turn off the affected PACK, and the remaining pack will automatically transmit
A. High-flow
B. Medium-flow
C. Low-flow
[单选题]When using APU bleed, air conditioning unit flow is automatically selected in：
A. high-order position
B. normal position
C. low position
[单选题]What happens when RMP2 fails?
A. Communication system fails
B. VHF2 frequency cannot be controlled
C. All frequency of the communication system can be controlled
[单选题]When engine and APU work, APU bleed valve is selected ON, which of the following is correct?：
A. Engine bleed valve is closed, X bleed valve is closed, and APU bleed valve is open
B. Engine bleed valve is open, X bleed valve is on, and APU bleed valve is closed.
C. Engine bleed valve is closed, X bleed valve is open and APU bleed valve is open.
[单选题]When some of the weather radar function fails, the detected fault list on ND, which is correct?
A. A. If it is red message, no radar images displayed on ND; if it is amber messages,no effects on images
B. B. When there are red or amber messages displayed, no radar images displayed on ND
C. C. Both red and amber messages do not affect the radar images
[单选题]Do not use ____ when APU supplies bleed air to avoid bleed system damage.
A. LP ground unit
B. HP ground unit
C. engine bleed
[单选题]When ILS 1 fails, is it influence GPWS GLIDESLOPE aural alert?
A. A. Yes, inhibited
B. B. No, ILS 2 available
C. C. Not sure, if left-seat is not PF, no influence
[单选题]When the pilots move both side stick simultaneously in the same or opposite direction and neither takes priority,_______
A. the system adds the signals of both pilots algebraically.
B. the left sidestick priority
C. the moving of the control surface is in proportion to the last deflected sidestick
[单选题]APU bleed page，in this box displays the bleed pressure in amber when ____.
A. the ADIRS1 is not available or selected OFF
B. the data from the ECB are invalid or not transmitted
C. both correct
[单选题]ENG BLEED LEAK（发动机引气漏气）警告和APU BLEED LEAK（APU引气漏气）警告失效，意味着_?故障
A.BMC1
B.BMC2
C.APU 引气
[单选题]Bleed air from engine：
A. is to use cold bleed air of engine fan and it’s cooled by air heat exchanger
B. It’s only cooled by the air of air conditioning
C. It’s cooled by ambient air
[单选题]APU BLEED灯颜色是
A.蓝色
B.绿色
C.琥珀色
[单选题]ECAM bleed page controller indicates ALTN MODE,
A. Master control fails (green)
B. Zone controller fails
C. Zone controller operates normally
[单选题]The green engine bleed pressure numbers indicate the bleed upstream of the precooler. When do these numbers become amber?
A. When the pressure drops below 21 PSI with N2≥10%.
B. When there is an overpressure.
C. Both of the above are correct.
[单选题]Pneumatically, the bleed valve is fully closed:
A. If upstream pressure goes below 8 psi
B. If there is return flow
C. All of above
[单选题]Electrically, the bleed valve is fully closed:
A. The BLEED pushbutton switch (switched OFF), or ENG FIRE pushbutton (pushed)
B. Overtemperature, Overpressure, Leak, Open starter valve and APU bleed being on.
C. All of above
[单选题]If bleed air temperature is too low during flight, can’t：
A. start APU
B. start engine anti-icing
C. start wing anti-icing
