[单选题]The heading difference between two NDs in the cockpit is monitored by ___
A. FWC
B. DMC
C. ADIRS

[单选题]When difference between the heading on the CAPT and F/O displays is greater than ____°, local warning CHECK HDG will appeared on PFD.
A. A. 3
B. B. 5
C. C. 7

[单选题]How many Hertz between two communication frequencies at least may not produce interference?
A. 2 Hertz
B. 3 Hertz
C. 5 Hertz

[单选题]If the thrust lever is set between two detents,
A. the FADEC selects the rating limit corresponding to the lower detent.
B. the FADEC selects the rating limit corresponding to the higher detent.
C. the FADEC will provide a caution.

[单选题]When difference between the altitude, displayed on the CAPT and F/O PFD, is greater than ____, local warning CHECK ALT will appeared on PFD.
A. A. 500 ft, if BARO ref STD is selected or 250 ft, if QNH (or QFE) is selected
B. B. 500 ft, if BARO ref STD or QNH (or QFE) is selected
C. C. 250 ft, if BARO ref STD or QNH (or QFE) is selected

[单选题]When difference between roll or pitch angle, displayed on the CAPT and F/O PFD greater than ____°, local warning CHECK ATT will appeared on PFD.
A. A. 3
B. B. 5
C. C. 7

[单选题]If the difference between FMS landing strip centerline and actual landing strip centerline is ____, the managed approach speed shall not be used.
A. 30 degree
B. 50 degree
C. 70 degree

[单选题]Maximum differences between magnetic heading indications on the NDs: ____°.
A.2
B.3
C.4

[单选题]For the distance between wingtip and obstruction is less than _, aircraft must be guided by ground personnel for taxi, otherwise, should stop taxing.
A.7m
B.10m
C.15m

[简答题]The cable between LEU and switchable balise shall not be longer than 2 500 m, otherwise LEU should be placed at trackside and redundantly configured.

[单选题]Both PFDs and NDs display the message “CHECK HDG” if there is a discrepancy of at least ______ between the heading values. （Ａ）
A.5
B.4
C.3

[单选题]Two identical, independent, digital controllers are used in system control：
A.One is active, the other is standby
B.Both are monitored by FMGS
C.No.1 controller is used for CLIMB while No.2 is used for CRUISCE and descent.

[单选题]Window Heat Computers provides two heating power, which is correct?
A. High power when above 20000ft, low power when below 20000ft
B. High power in flight, low power on ground
C. High power in ice condition, low power in other condition

[单选题]Two dimmable dome lights illuminate the overall cockpit. When the batteries are supplying all electrical power,____.
A. Only the lefthand dome light is on line
B. Only the righthand dome light is on line
C. Both are not on line

[单选题]Two electrical transfer valves are mounted in each wing to：
A. permit fuel transfer from outer to inner tank
B. transfer fuel from center tank to inner tank, and then feed the engine
C. transfer fuel from inner tank to outer tank to overcome wing bending and flutter relief.

[单选题]Takeoff charts can be presented in two different ways which are：
A. temperature entry and weight entry
B. speed entry and weight entry
C. temperature entry and speed entry

[单选题]13 Two LTM devices must be manually configured to restrict in the same Device Group. What is the correct order of steps to meet this requirement?
A.Configure VLAN, Configure-Sync IP, Configure Failover type, Establish Device Trust, Sync Device Trust, Create type, Establish Device Sync Device Trust, Create Device Group.
B.Configure VLAN, Configure Self-IPs, Configure Config-Sync IP. Configure Failover type, Establish Device Trust, Sync Device Trust, Create Device Group.
C.Configure Self-IPs, Configure VLAN, Configure Config-Sync IP. Configure Failover type, Establish Device Trust, Sync Device Trust, Create Device Group
D.Configure VLAN, Configure Config-Sync IP. Configure Self-IPs. Configure Failover type. Establish Device Trust, Create Device Group

[单选题]The explorers sailed on the ocean for two weeks and ________ found the mysterious land.
A.generally
B.eventually
C.extremely
D.gradually

[单选题]Two LGCIUs，each one controls a complete gear cycle，when will it automatically turn to another one?
A. When each gear cycle ends
B. In case of failure
C. All of above

[单选题]Two generators control units (GCU) control the output of their respective generator. Which?of?the?following?is?true ？
A. The main functions of GCU is control the frequency and voltage of the generator output.
B. GCU protects the network by controlling the associated generator line contactor (GLC).
C. all of the above