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Boeing 737 · Navigation 题库（39 题）

Boeing 737 机型「Navigation」相关知识共 39 道题。想练习或模拟考试，请到 题库 · 模拟考试。
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1.A marker beacon sensitivity selector is located

  1. On both the Captain's and First Officer's control panel.
  2. On the First Officer's instrument panel.
  3. On the Captains instrument panel. ✓
正确答案：On the Captains instrument panel.　·　737　·　来源 b737.org.uk

2.The Weather radar WX/TURB mode displays detected turbulence within

  1. 160 Nm.
  2. 80 Nm.
  3. 40 Nm. ✓
正确答案：40 Nm.　·　737　·　来源 b737.org.uk

3.A WXR DSPY warning on an EHSI indicates

  1. Loss of display unit cooling or an overheat condition of the EHSI. ✓
  2. Weather radar calibration fault.
  3. Weather radar has failed.
正确答案：Loss of display unit cooling or an overheat condition of the EHSI.　·　737　·　来源 b737.org.uk

4.Selecting an IRS mode selector from OFF to ALIGN will initiate

  1. The 7 minute alignment cycle.
  2. The 10 minute alignment cycle. ✓
  3. The 30 second fast alignment cycle.
正确答案：The 10 minute alignment cycle.　·　737　·　来源 b737.org.uk

5.A flashing IRS ALIGN light indicates

  1. Normal alignment cycle.
  2. Alignment cannot be completed due to IRS detection of airplane movement.
  3. Alignment cannot be completed due to IRS detection of airplane movement (on some 3/4/500's only), significant difference between previous and entered positions or no present position entry. ✓
正确答案：Alignment cannot be completed due to IRS detection of airplane movement (on some 3/4/500's only), significant difference between previous and entered positions or no present position entry.　·　737　·　来源 b737.org.uk

6.With all AC busses powered, the IRSs are selected from OFF to ALIGN. The ON DC light momentarily illuminates indicating

  1. A short DC power test with no action required. ✓
  2. Impending DC power problems, check with the maintenance engineers.
  3. A fast align is in progress.
正确答案：A short DC power test with no action required.　·　737　·　来源 b737.org.uk

7.Fast alignment of an IRS is possible

  1. On the ground and stationary only. ✓
  2. On the ground or in flight provided one IRS is fully aligned for cross-reference purposes.
  3. Any time the air/ground sensor is in ground mode.
正确答案：On the ground and stationary only.　·　737　·　来源 b737.org.uk

8.The Altenate Nav System (if installed) uses

  1. IRS information only. ✓
  2. IRS and VOR/DME information only.
  3. IRS, VOR/DME and ADF information.
正确答案：IRS information only.　·　737　·　来源 b737.org.uk

9.The AN/CDU is limited to

  1. 25 waypoints.
  2. Unlimited waypoints.
  3. 20 waypoints. ✓
正确答案：20 waypoints.　·　737　·　来源 b737.org.uk

10.During Alternate Nav System operation an IRS fails. The IRS Transfer switch

  1. Can transfer navigation inputs from the other IRS.
  2. Cannot transfer navigation inputs from the other IRS. ✓
  3. Can transfer navigation inputs from the No. 2 IRS to the Captains AN/CDU only.
正确答案：Cannot transfer navigation inputs from the other IRS.　·　737　·　来源 b737.org.uk

11.To define the origin airport on the FMC Route page

  1. Use the airfield 4 character ICAO identifier. ✓
  2. Use the airfield 3 character identifier.
  3. No input is necessary as the FMC always knows where it is.
正确答案：Use the airfield 4 character ICAO identifier.　·　737　·　来源 b737.org.uk

12.You observe an altitude restriction on ACT RTE LEGS page of 6000B. This indicates that the aircraft should

  1. Be at FL060 or below at this point.
  2. Be at or between +/- 500 of this altitude (6000 feet QNH) at this point.
  3. Be at 6000 feet (QNH) or below at this point. ✓
正确答案：Be at 6000 feet (QNH) or below at this point.　·　737　·　来源 b737.org.uk

13.The SUPP NAV DATA pages are accessible

  1. On the ground only. ✓
  2. At any time.
  3. In flight only.
正确答案：On the ground only.　·　737　·　来源 b737.org.uk

14.The REF NAV DATA pages allow the crew to inhibit

  1. Up to 5 VORs or DMEs from being used for FMC position updating.
  2. Up to 2 VORs or DMEs from being used for FMC position updating. ✓
  3. One VOR or DME from being used for FMC position updating.
正确答案：Up to 2 VORs or DMEs from being used for FMC position updating.　·　737　·　来源 b737.org.uk

15.All waypoints in the AN/CDU flight plan

  1. Must be defined in terms of latitude and longitude.
  2. May be defined in terms of latitude and longitude or radial/distance from navigation beacons. ✓
  3. Must be defined as navigation beacons or radial/distance from navigation beacons.
正确答案：May be defined in terms of latitude and longitude or radial/distance from navigation beacons.　·　737　·　来源 b737.org.uk

16.The AC busses have failed in flight. The IRSs will

  1. Continue to operate on DC power but the LEFT IRS is limited to 5 minutes only.
  2. Continue to operate on DC power but the Right IRS is limited to 5 minutes only. ✓
  3. Continue to operate on DC power for 5 minutes only.
正确答案：Continue to operate on DC power but the Right IRS is limited to 5 minutes only.　·　737　·　来源 b737.org.uk

17.While in flight the right IRS DC FAIL amber light (only) illuminates indicating that

  1. The IRS will fail after 5 minutes.
  2. The IRS has totally failed.
  3. The IRS is operating normally on AC power. ✓
正确答案：The IRS is operating normally on AC power.　·　737　·　来源 b737.org.uk

18.You have just entered the aircraft's present position into the IRS Display unit ( aircraft stationary ) and the integral cue lights in the CLR key have illuminated indicating

  1. The IRS self test determines the data to be of an unreasonable value and the entry is not accepted by the IRS. ✓
  2. The IRS self test determines the data to be of an unreasonable value but the entry is accepted by the IRS.
  3. The Centre, Left and Right (CLR) function of the IRS is fully operational.
正确答案：The IRS self test determines the data to be of an unreasonable value and the entry is not accepted by the IRS.　·　737　·　来源 b737.org.uk

19.The IRS store magnetic variation data between the

  1. 73 degrees North and 73 degrees South latitudes.
  2. 60 degrees North and 73 degrees South latitudes.
  3. 73 degrees North and 60 degrees South latitudes. ✓
正确答案：73 degrees North and 60 degrees South latitudes.　·　737　·　来源 b737.org.uk

20.The left IRS requires a full alignment so it is selected OFF. All electrical power is

  1. Removed from the system after a 10 seconds shutdown cycle.
  2. Removed from the system after a 30 seconds shutdown cycle. ✓
  3. Removed immediately.
正确答案：Removed from the system after a 30 seconds shutdown cycle.　·　737　·　来源 b737.org.uk

21.During IRS alignment the right hand window of the IRS Display unit can display the minutes remaining until the alignment is completed, provided the Display Selector is in the

  1. TK/GS position.
  2. HDG/STS position. ✓
  3. PPOS position.
正确答案：HDG/STS position.　·　737　·　来源 b737.org.uk

22.The IRS provides.

  1. Attitude, heading and wind information while in ATT mode.
  2. Attitude, heading and groundspeed information while in ATT mode.
  3. Attitude and heading information while in ATT mode. ✓
正确答案：Attitude and heading information while in ATT mode.　·　737　·　来源 b737.org.uk

23.During FMC CDU pre-flight setting up, a VERIFY POSITION message is observed. This could be caused by

  1. The difference between the entered IRS Present Position and the origin airport is greater than 10 NM.
  2. The difference between the entered IRS Present Position and the origin airport is greater than 4 NM. ✓
  3. The CDU setting up must be performed from the Left (Captain's) position and not the Right (F/O's) position.
正确答案：The difference between the entered IRS Present Position and the origin airport is greater than 4 NM.　·　737　·　来源 b737.org.uk

24.The FMC CRZ page displays a TURB N1 value which is a reference display of the N1% for turbulance penetration and it

  1. Cannot be commanded by the autothrottle. ✓
  2. Can be commanded by the autothrottle.
  3. Can be modified by manual input on the CDU to drive the autothrottle.
正确答案：Cannot be commanded by the autothrottle.　·　737　·　来源 b737.org.uk

25.The IRS NAV ONLY message is displayed in flight on the FMC CDU indicating

  1. AN/CDU operation is required immediately.
  2. No radio updating has occurred within the last 4 minutes.
  3. No radio updating has occurred within the last 12 minutes. ✓
正确答案：No radio updating has occurred within the last 12 minutes.　·　737　·　来源 b737.org.uk

26.The IRS MOTION message is displayed on the FMC CDU during alignment indicating

  1. The IRS has automatically restarted the alignment due to detection of excessive motion. ✓
  2. The IRS has automatically frozen the alignment due to detection of excessive motion.
  3. A IRS Laser gyro platform has failed to move during alignment and maintenance action is required immediately.
正确答案：The IRS has automatically restarted the alignment due to detection of excessive motion.　·　737　·　来源 b737.org.uk

27.The DRAG REQUIRED message on the FMC CDU indicates

  1. The airspeed is 15 knots or more above FMC target speed or within 15 Knots of Vmo/Vmmo.
  2. The airspeed is 20 knots or more above FMC target speed or within 5 Knots of Vmo/Vmmo.
  3. The airspeed is 10 knots or more above FMC target speed or within 5 Knots of Vmo/Vmmo. ✓
正确答案：The airspeed is 10 knots or more above FMC target speed or within 5 Knots of Vmo/Vmmo.　·　737　·　来源 b737.org.uk

28.If IRS alignment is lost in flight, the navigation mode becomes inoperative for the remainder of the flight.

  1. True ✓
  2. False
正确答案：True　·　NG　·　来源 Chair Flight B737 Question Bank

29.On later aircraft YW059 through YW164, what is the default Vertical Required Navigational Performance (VRNP) used by the FMC for oceanic, en route, and terminal phases of flight?

  1. 400 feet below, 250 feet above the aircraft planned altitude.
  2. 250 feet below, 400 feet above the aircraft planned altitude.
  3. 250 feet.
  4. 400 feet. ✓
正确答案：400 feet.　·　NG　·　来源 Chair Flight B737 Question Bank

30.Where on the FMC CDU are the GPS latitude and longitude displayed?

  1. POS REF page 2 ✓
  2. POS INIT page 1
  3. NAV DATA
  4. INIT REF
正确答案：POS REF page 2　·　NG　·　来源 Chair Flight B737 Question Bank

31.The image below shows the IRS panel located on the AFT overhead panel, for later aircraft YW130 through YW164. Other than OFF, what are the switch positions in the clockwise order?

  1. NAV, ALIGN, ATT.
  2. ALIGN, NAV, ATT. ✓
  3. NAV, ALIGN, GLS
  4. ATT, ALIGN, NAV.
正确答案：ALIGN, NAV, ATT.　·　NG　·　来源 Chair Flight B737 Question Bank

32.A total of 99 numbered waypoints cannot be exceeded for any single route.

  1. True
  2. False ✓
正确答案：False　·　NG　·　来源 Chair Flight B737 Question Bank

33.What does the GPS light illuminating indicate when either annunciator panel is pushed to initiate a recall?

  1. IRS left or right selector switch selected to ATT.
  2. Single GPS sensor unit failure. ✓
  3. Failure of both GPS sensor units
  4. GPS left and right system running in degraded mode.
正确答案：Single GPS sensor unit failure.　·　NG　·　来源 Chair Flight B737 Question Bank

34.How long are the navigation databases valid for?

  1. 21 Days
  2. 48 Hours
  3. Valid until next update
  4. 28 Days ✓
正确答案：28 Days　·　NG　·　来源 Chair Flight B737 Question Bank

35.On which page of the FMC is the IRS position initially set?

  1. DEP ARR page.
  2. INIT REF page.
  3. RTE page.
  4. POS INIT page ✓
正确答案：POS INIT page　·　NG　·　来源 Chair Flight B737 Question Bank

36.Regardless of what range you select on the Navigation Display, the range at which turbulence is detected is automatically limited to 40 nautical miles.

  1. True ✓
  2. False
正确答案：True　·　NG　·　来源 Chair Flight B737 Question Bank

37.Setting the ADF mode selector switch to ANT has what effect?

  1. ADF bearing pointer slews to 135 degrees relative bearing.
  2. ADF bearing data switched to keel antenna only, to minimise multipath interference.
  3. ADF bearing data sent to Standby Radio Magnetic Indicator as well as the DUs
  4. No ADF bearing data available and audio reception optimised. ✓
正确答案：No ADF bearing data available and audio reception optimised.　·　NG　·　来源 Chair Flight B737 Question Bank

38.On the IRS panel, if the DC FAIL light illuminates in flight all alignment data is lost and the system cannot be re-set until the aircraft is parked on the ground.

  1. True
  2. False ✓
正确答案：False　·　NG　·　来源 Chair Flight B737 Question Bank

39.On the navigation display, how is the display presented in VOR, Approach and Plan modes?

  1. VOR = heading up, Approach = heading up, Plan = true north up. ✓
  2. VOR = heading up, Approach = true north up, Plan = heading up.
  3. VOR = true north up, Approach = heading up, Plan = heading up.
  4. VOR = true north up, Approach = true north up, Plan = heading up.
正确答案：VOR = heading up, Approach = heading up, Plan = true north up.　·　NG　·　来源 Chair Flight B737 Question Bank
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