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Boeing 737 - Navigation System Exam MCQ
by
Pooja Gupta
June 29, 2020
178
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Boeing 737 - Navigation System Exam MCQ
1
The No 1. VHF NAV is agility tuning. The DME-1 indications on each RDMI
Will display a warning flag.
Will display 4 dashes.
Will display the DME distance to each tuned DME.
2
Before selecting the ILS test facility
Select an ILS frequency on the both VHF NAV control panels.
Select an ILS frequency on the associated VHF NAV control panel.
Select an ILS or VOR frequency on the associated VHF NAV control panel.
3
A marker beacon sensitivity selector is located
On the First Officer's instrument panel.
On the Captains instrument panel.
On both the Captain's and First Officer's control panel.
4
The Weather radar WX/TURB mode displays detected turbulence within
40 Nm.
160 Nm.
80 Nm.
5
A WXR DSPY warning on an EHSI indicates
Weather radar has failed.
Loss of display unit cooling or an overheat condition of the EHSI.
Weather radar calibration fault.
6
Selecting an IRS mode selector from OFF to ALIGN will initiate
The 7 minute alignment cycle.
The 10 minute alignment cycle.
The 30 second fast alignment cycle.
7
With all AC busses powered, the IRSs are selected from OFF to ALIGN. The ON DC light momentarily illuminates indicating
A fast align is in progress.
A short DC power test with no action required.
Impending DC power problems, check with the maintenance engineers.
8
Fast alignment of an IRS is possible
Any time the air/ground sensor is in ground mode.
On the ground and stationary only.
On the ground or in flight provided one IRS is fully aligned for cross-reference purposes.
9
During auto tuning the No. 1 VHF NAV radio is providing unreliable data for position updating to the FMC. The VHF NAV control panel automatic frequency window will
Display 108.00 (Update 4 FMC or above.)
Display the frequency of the unreliable DME station.
Display ---- (Update 4 FMC or above.)
10
The Altenate Nav System (if installed) uses
IRS and VOR/DME information only.
IRS, VOR/DME and ADF information.
IRS information only.
11
The AN/CDU is limited to
25 waypoints.
Unlimited waypoints.
20 waypoints.
12
During Alternate Nav System operation an IRS fails. The IRS Transfer switch
Can transfer navigation inputs from the other IRS.
Cannot transfer navigation inputs from the other IRS.
Can transfer navigation inputs from the No. 2 IRS to the Captains AN/CDU only.
13
You observe an altitude restriction on ACT RTE LEGS page of 6000B. This indicates that the aircraft should
Be at FL060 or below at this point.
Be at 6000 feet (QNH) or below at this point.
Be at or between +/- 500 of this altitude (6000 feet QNH) at this point.
14
The SUPP NAV DATA pages are accessible
At any time.
In flight only.
On the ground only.
15
The AC busses have failed in flight. The IRSs will
Continue to operate on DC power but the Right IRS is limited to 5 minutes only.
Continue to operate on DC power but the LEFT IRS is limited to 5 minutes only.
Continue to operate on DC power for 5 minutes only.
16
The IRS store magnetic variation data between the
73 degrees North and 73 degrees South latitudes.
73 degrees North and 60 degrees South latitudes.
60 degrees North and 73 degrees South latitudes.
17
The left IRS requires a full alignment so it is selected OFF. All electrical power is
Removed immediately.
Removed from the system after a 10 seconds shutdown cycle.
Removed from the system after a 30 seconds shutdown cycle.
18
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
TK/GS position.
PPOS position.
HDG/STS position.
19
The IRS provides.
Attitude, heading and wind information while in ATT mode.
Attitude and heading information while in ATT mode.
Attitude, heading and groundspeed information while in ATT mode.
20
The IRS NAV ONLY message is displayed in flight on the FMC CDU indicating
AN/CDU operation is required immediately.
No radio updating has occurred within the last 12 minutes.
No radio updating has occurred within the last 4 minutes.
21
The IRS MOTION message is displayed on the FMC CDU during alignment indicating
The IRS has automatically frozen the alignment due to detection of excessive motion.
A IRS Laser gyro platform has failed to move during alignment and maintenance action is required imm
The IRS has automatically restarted the alignment due to detection of excessive motion.
22
The DRAG REQUIRED message on the FMC CDU indicates
The airspeed is 20 knots or more above FMC target speed or within 5 Knots of Vmo/Vmmo.
The airspeed is 10 knots or more above FMC target speed or within 5 Knots of Vmo/Vmmo.
The airspeed is 15 knots or more above FMC target speed or within 15 Knots of Vmo/Vmmo.
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