[多选题]Under which circumstance(s) should ONE ADR KEEP ON, TWO ADRs off applied in OEB 48 abnormal V ALPHA PROT:
A.AT ANY TIME, with a speed above VLS, if the aircraft goes to aCONTINUOUS NOSE DOWN PITCH RATE that cannot be stopped with backward sidestick inputs.
B.If the Alpha Max strip (red) completely hides the Alpha Prot strip (black and amber) in a stabilized wings-level flight path (without an increase in load factor).
C.If the Alpha Prot strip (black and amber) rapidly moves by more than30kt during flight maneuvers (with an increase in load factor), with AP ON and speed brakes retracted.

[单选题]Under which of the following conditions does flow control valve of air-conditioning unit automatically close?：
A.Air-conditioning unit overheats, fire-protection pushbutton of engine releases ,engine starts, ditching pushbutton is pressed
B.Bleed valve failure, air-conditioning unit outlet pressure increases
C.All of above are correct

[单选题]Under which phase can reverse thrust perform the highest deceleration efficiency?
A.High-speed roll after landing
B.All phases after landing
C.When roll with low speed

[多选题]Under which abnormal situation below, captain must perform emergency evacuation procedures?
A.There is a fire alarm or smoke, which cannot be extinguished and eliminated
B.Serious aircraft fuel leakage
C.Serious damage of fuselage

[单选题]About fuel recirculation system, which one of the following is correct?
A. Some of the fuel goes from the high-pressure fuel line in that engine, through the integrated drive generator (IDG) heat exchanger (where it absorbs heat), to the fuel return valve and to the outer fuel tank.
B. If the outer tank is already full, the fuel overflows to the inner tank through a spill pipe
C. All of above

[单选题]About automatic refueling, which one is correct?
A. Automatic refueling starts with the outer cells. If the selected fuel load exceeds the wing tank capacity, the center tank is simultaneously refueled.
B. Refuel valves close automatically, when the tanks contain the preselected load, or when sensors detect a high fuel level.
C. All of above

[单选题]Which one of the following statements about BANK ANGLE PROTECTION is correct?
A.If the bank angle exceeds 40°, the autopilot disconnects and the FD bars disappear. The FD bars return when the bank angle decreases to less than 30°.
B.If the bank angle exceeds 45 °, the autopilot disconnects and the FD bars disappear. The FD bars return when the bank angle decreases to less than 30°.
C.If the bank angle exceeds 40°, the autopilot disconnects and the FD bars disappear. The FD bars return when the bank angle decreases to less than 33.
D.If the bank angle exceeds 45 °, the autopilot disconnects and the FD bars disappear. The FD bars return when the bank angle decreases to less than 40°.

[单选题]Which one of the following is correct about hot air pushbutton on air conditioning panel?
A. Off: The FAULT circuit is reset.
B. FAULT: air regulation valve automatically open
C. FAULT light goes on when air regulation valve doesn’t work.

[单选题]Which one of the following is correct about ventilation system in normal operation?
A. The open-circuit and close-circuit configuration operate in accordance with on-ground threshold
B. According to in-flight threshold, It can operate in close-circuit and intermediary configuration
C. All of above

[单选题]Which one of the following is correct about automatic pressurization system failure?
A. Select manual position switch when failure, regulate vertical speed to control up or down of the switch.
B. Air outlet valve can’t be automatically open when it connects ground during MANUAL PRESSURE CONTROL MODE
C. All of above

[单选题]Which one is the minimum battery voltage of starting APU
A. 25V
B. 25.5V
C. 26V

[单选题] Which one is not a distress , urgency or safety communication procedure might marked by? ( ))
A. Mayday
B. Pan-Pan
C. Warning
D. Security

[单选题]Among the 5 displays of ND, which one cannot display weather radar image？
A. ROSE　NAV
B. 　ARC
C. 　PLAN

[单选题]For the use of APU, which one of the following is the right description?
A.After a normal takeoff with packs provided by APU bleed, PF close the APU bleed air at Acceleration altitude, APU as requires.
B.After a normal takeoff with packs provided by APU bleed, PF close the APU bleed air at Deceleration altitude, APU as requires.
C.After a normal takeoff with packs provided by APU bleed, PNF close the APU bleed air at Acceleration altitude, APU as requires.
D.After a normal takeoff with packs provided by APU bleed, PNF close the APU bleed air at Deceleration altitude, APU as requires.

[单选题] Which of the following has become one of America’s fastest growing businesses?
A. Selling home furnishings.
B. Renting furnished apartments.
C. Selling used furniture.
D. Renting home furnishings.

[单选题] A one-way route which vessels have to comply with within a traffic separation scheme is called ( ) .
A. traffic way
B. fairway
C. traffic lane
D. TSS

[单选题]如果所有的ADR都提供不可靠数据，则将3部ADR关掉，这时＿＿ 的：
A.正确的
B.错误的

[单选题]当ADR1和ADR3（大气数据基准1和3）同时故障，则对于放起落架：
A.没有任何影响
B.起落架可以通过正常方式放下，但放下过程缓慢
C.不能正常放下，只能靠重力放下

[多选题]OEB非正常V迎角保护，什么情况时执行：一部ADR保持接通，两部ADR关断
A.速度大于VLS的任何时候，如果飞机出现持续的机头向下的俯仰率且无法通过向后输入侧杆阻止。
B.如果在机翼水平的稳定飞行轨迹上（没有载荷因素增大），Alpha Max条（红色）完全遮挡了Alpha Prot条(黑色和琥珀色相间)。
C.在AP接通且减速板收回的情况下，如果Alpha Prot条（黑色和琥珀色相间）在机动飞行时（载荷因素增大）以30节以上的速度迅速移动。