3D156 CDC Vol. 2

124 Questions | By Rale123 | Updated: Mar 22, 2022 | Attempts: 53

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1.

(201) The localizer equipment shelter is generally painted what colors?
- A.
  
  International orange and white.
- B.
  
  Olive drab and black.
- C.
  
  Brown and tan.
- D.
  
  Red and White.
2.

(201) How many assemblies support each localizer antenna?
- A.
  
  1.
- B.
  
  2.
- C.
  
  3.
- D.
  
  4.
3.

(202) The localizer station is designed for what type of operation?
- A.
  
  Local control.
- B.
  
  Remote control.
- C.
  
  Continuous unmanned.
- D.
  
  Intermittent unmanned.
4.

(202) How can the localizer station be controlled?
- A.
  
  Locally only.
- B.
  
  Remote only.
- C.
  
  Locally from the site or remotely from control tower or RAPCON.
- D.
  
  Remotely from the site or locally from the control tower or RAPCON.
5.

(202) What is the maximum miles per hour (mph) wind speed the localizer equipment station is designed to withstand?
- A.
  
  50.
- B.
  
  70.
- C.
  
  90.
- D.
  
  110.
6.

(202) How many channels do the radios in the localizer equipment station have?
- A.
  
  One.
- B.
  
  Two.
- C.
  
  Three.
- D.
  
  Four.
7.

(202) In megahertz (MHz), the frequency range of the transmitters in the localizer equipment station is
- A.
  
  108 to 112.
- B.
  
  324 to 336.
- C.
  
  962 to 1,213.
- D.
  
  2,250 to 2,259.
8.

(202) How many RF outputs are connected to the localizer antenna system for the course transmitter?
- A.
  
  1.
- B.
  
  2.
- C.
  
  3.
- D.
  
  4.
9.

(202) What are the modulation frequencies in the localizer course transmitter?
- A.
  
  90,150, and 2250 Hz.
- B.
  
  150 and 2259 Hz.
- C.
  
  90, and 2259 Hz.
- D.
  
  90, 150, and 1020 Hz.
10.

(202) What is the nominal carrier plus sideband (CSB) watt (W) output power of the course transmitter in the localizer?
- A.
  
  10.
- B.
  
  15.
- C.
  
  20.
- D.
  
  25.
11.

(202) What is the nominal carrier plus sideband (CSB) watt (W) output power of the clearance transmitter in the localizer?
- A.
  
  10.
- B.
  
  15.
- C.
  
  20.
- D.
  
  25.
12.

(203) What is the first basic operation of the localizer station?
- A.
  
  Monitor the radiated pattern.
- B.
  
  Radiating the pattern.
- C.
  
  Control transmitter.
- D.
  
  Update status.
13.

(203) In the localizer, what frequency, in kilohertz (kHz), is the course (CRS) carrier transmitter?
- A.
  
  Station assigned frequency (SAF) + 4.00.
- B.
  
  SAF +4.75.
- C.
  
  SAF -4.75.
- D.
  
  SAF -4.00.
14.

(203) What is the capture effect principle in reference to the localizer?
- A.
  
  Stronger radiated signal controls the aircraft receiver.
- B.
  
  Weaker radiated signal controls the aircraft receiver.
- C.
  
  Aircraft transmitter controls the localizer.
- D.
  
  Aircraft receiver controls the localizer.
15.

(203) In the localizer, what frequency, in kilohertz (kHz), is the clearance (CLR) carrier transmitter?
- A.
  
  Station assigned frequency (SAF) + 4.75.
- B.
  
  SAF +4.00.
- C.
  
  SAF -4.75.
- D.
  
  SAF -4.00.
16.

(203) The hertz (Hz) frequency of the coded tone to provide the station identification (ID) is
- A.
  
  770.
- B.
  
  1,020.
- C.
  
  1,410.
- D.
  
  2,250.
17.

(203) How many log-periodic dipole antennas (LPD) are there in the localizer antenna array?
- A.
  
  7.
- B.
  
  10.
- C.
  
  14.
- D.
  
  16.
18.

(203) How many monitors must detect a fault to cause an equipment transfer in the localizer?
- A.
  
  One.
- B.
  
  Two.
- C.
  
  Three.
- D.
  
  Four.
19.

(203) Which parameter is not checked by the localizer course monitors?
- A.
  
  Course.
- B.
  
  Frequency difference.
- C.
  
  Radio frequency (RF) level.
- D.
  
  Identification (ID) precent modification.
20.

(203) Which unit is not tied into the control unit in the localizer?
- A.
  
  Distribution unit.
- B.
  
  Changeover unit.
- C.
  
  Power supply unit.
- D.
  
  Battery backup unit.
21.

(203) What is a function of the dual power supply in the localizer?
- A.
  
  Regulate line frequency.
- B.
  
  Display various voltages.
- C.
  
  Keep backup batteries charged.
- D.
  
  Regulate alternating current (AC) power.
22.

(203) In watts (W) and milliwatts (mW) respectively, what is the nominal localizer course transmitter carrier-plus sideband (CSB) and sideband only (SBO) power?
- A.
  
  15, 360.
- B.
  
  10, 300.
- C.
  
  5, 190.
- D.
  
  3, 190.
23.

(203) What is the output frequency of the synthesized frequency source (SFS) in the localizer course transmitter?
- A.
  
  Station assigned frequency (SAF).
- B.
  
  55 kilohertz (kHz).
- C.
  
  SAF +4.75 kHz.
- D.
  
  SAF -4.75 kHz.
24.

(203) Which unit of the localizer course transmitter provides a means of suppressing the carrier in the sideband only (SBO)?
- A.
  
  Exciter.
- B.
  
  Modulator assembly.
- C.
  
  Identification keyer.
- D.
  
  Diode-switching network.
25.

(203) What is the nominal clearance sideband only (SBO) milliwatt (mW) power in the localizer?
- A.
  
  180.
- B.
  
  300.
- C.
  
  360.
- D.
  
  450.