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END OF CHAPTER 5 - AIR TRAFFIC CONTROL EQUIPMENT - Continued
END OF CHAPTER 5 - AIR TRAFFIC CONTROL EQUIPMENT - Continued

Air Traffic Controller
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5-10. What method is used to control vehicles when the control tower has a radio
outage?
A.
Hand signals
B.
Flag signals
C.
Sound signals
D.
Light signals
5-11. Sound waves travel through air at __________ ft per second.
A.
1000
B.
1100
C.
2000
D.
2100
5-12. What type of RADAR display allows you to increase the maximum range of
coverage on a scope face for a selected azimuth sector?
A.
Moving target indicator (MTI)
B.
Plan position indicator (PPI)
C.
Identification friend or foe (IFF)
D.
Off-centered plan position indicator
5-13. Clutter caused by heavy precipitation can be mitigated by reducing the duration
of RADAR pulses. In this situation, what circuit allows small target echoes to be
picked up?
A.
PPI
B.
FTC
C.
MTI
D.
STC
5-14. What circuit of a RADAR system distinguishes stationary targets (clutter) from
moving targets?
A.
AVC
B.
PPJ
C.
AFC
D.
MTI
5-58






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