3D156 CDC Vol. 3

85 Questions | By Rale123 | Updated: Mar 15, 2022 | Attempts: 62

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1.

(401) What facility ground subsystem uses surge arrestors?
- A.
  
  The earth electrode subsystem.
- B.
  
  The fault protection subsystem.
- C.
  
  The signal reference subsystem.
- D.
  
  The lightning protection subsystem.
2.

(401) What facility ground subsystem is also called the safety ground?
- A.
  
  The earth electrode subsystem.
- B.
  
  The fault protection subsystem.
- C.
  
  The signal reference subsystem.
- D.
  
  The lightning protection subsystem.
3.

(402) What term is used for the establishment of a low-impedance path between two metal surfaces?
- A.
  
  Bonding.
- B.
  
  Shielding.
- C.
  
  Annealing.
- D.
  
  Grounding.
4.

(402) Bonds in the earth electrode subsystem normally are direct permanent bonds and do not exceed a resistance of
- A.
  
  1 milliohm.
- B.
  
  2 milliohms.
- C.
  
  5 milliohms.
- D.
  
  10 milliohms.
5.

(402) What bonds are normally applied to signal reference bonds?
- A.
  
  None.
- B.
  
  Brazing.
- C.
  
  Welding.
- D.
  
  Mechanical.
6.

(403) What are two basic functions of shielding?
- A.
  
  Prevent interference between multiple emanating systems and minimize compromising emanations.
- B.
  
  Prevent interference between multiple emanating systems and block all emanations from exiting a secure facility.
- C.
  
  To equalize all electronic systems to the same potential and minimize compromising emanations.
- D.
  
  To equalize all electronic systems to the same potential and block all emanations from exiting a secure facility.
7.

(404) The thin plastic colored tape spirals around a specific number of pairs that replicate in a cable is a
- A.
  
  Marker.
- B.
  
  Bundle.
- C.
  
  Casing.
- D.
  
  Binder.
8.

(404) In telecommunications cable, the "tip" or "primary" color group order is
- A.
  
  Blue, orange, green, brown, and slate.
- B.
  
  Blue, green, yellow, red, and orange.
- C.
  
  White, red, black, yellow, and violet.
- D.
  
  White, blue, green, yellow, and violet.
9.

(404) What is the "ring" or "secondary" color code for telecommunications cable?
- A.
  
  Blue, orange, green, brown, and slate.
- B.
  
  Blue, green, yellow, red, and orange.
- C.
  
  White, red, black, yellow, and violet.
- D.
  
  White, blue, green, yellow, and violet.
10.

(404) In telecommunications cable, the binder color for pair count 26-50 is
- A.
  
  Yellow-orange.
- B.
  
  Violet-orange.
- C.
  
  White-orange.
- D.
  
  White-slate.
11.

(404) Most newly installed network cables follow what standard?
- A.
  
  N586B.
- B.
  
  N568C.
- C.
  
  T586C.
- D.
  
  T568B.
12.

(404) Two types of network cables are
- A.
  
  Straight through and crossover.
- B.
  
  Straight through and flip/flop.
- C.
  
  High and low baud.
- D.
  
  "n" and "g".
13.

(405) How are Air Force communications quality control checksheet (AFCQCC) organized?
- A.
  
  Alphabetically.
- B.
  
  By unit type code.
- C.
  
  By numbered and titled series designator groups.
- D.
  
  By equipment short title and national stock class.
14.

(405) Which is a function of Air Force Communications Special Instructions?
- A.
  
  Permanently change technical order procedures.
- B.
  
  Means to issue optional equipment modifications.
- C.
  
  Provide significant system repair history for equipment transfers.
- D.
  
  Paraphrases technical order procedures via quick reference index cards.
15.

(406) How many parameters are associated with temperature/dewpoint measurement?
- A.
  
  2.
- B.
  
  3.
- C.
  
  4.
- D.
  
  5.
16.

(406) What is the degree of accuracy and scale used to measure temperature/dewpoint readings?
- A.
  
  Tenth, Celsius.
- B.
  
  Tenth, Fahrenheit.
- C.
  
  Hundredth, Celsius.
- D.
  
  Hundredth, Fahrenheit.
17.

(406) For stations utilizing Coordinated Universal Time, what are the standard time designations for observing maximum and minimum temperatures?
- A.
  
  0000 and 1200.
- B.
  
  0000, 0800, and 1600.
- C.
  
  0000, 0600, 1200, and 1800.
- D.
  
  0000, 0400, 0800, 1200, 1600, and 2000.
18.

(407) Wind direction is determined by averaging the direction over how many minutes?
- A.
  
  1.
- B.
  
  2.
- C.
  
  5.
- D.
  
  10.
19.

(407) How many degrees of direction change must occur to be classified as a wind shift?
- A.
  
  10.
- B.
  
  45.
- C.
  
  90.
- D.
  
  180.
20.

(408) The four visibility parameters are
- A.
  
  Prevailing, sector, surface, and tower.
- B.
  
  Approach, clearance, surface, and tower.
- C.
  
  Approach, prevailing, surface, and tower.
- D.
  
  Approach, clearance, prevailing, and surface.
21.

(408) What standard must automated visibility sensor use?
- A.
  
  International Standard Algorithms for Automated Weather Observing Systems Used for Aviation Purposes.
- B.
  
  Federal Standard Algorithms for Automated Weather Observing Systems Used for Aviation Purposes.
- C.
  
  Federal Aviation Administration (FAA) Standard Weather Algorithms.
- D.
  
  FAA Algorithms for Aviation Weather Observations.
22.

(409) Altimeter setting refers to the altitude above mean sea level of an aircraft located where?
- A.
  
  500' above the weather station.
- B.
  
  1000' above the weather station.
- C.
  
  Anywhere in the local flight pattern.
- D.
  
  On the ground at the measurement location.
23.

(410) Cloud height is one part of a more complex forecasting fundamental called
- A.
  
  Sky condition.
- B.
  
  Visibility.
- C.
  
  Structure.
- D.
  
  Horizon.
24.

(410) What piece of meteorological equipment is used to measure cloud height?
- A.
  
  Barometer.
- B.
  
  Ceilometer.
- C.
  
  Cloudometer.
- D.
  
  Laser measure.
25.

(411) What four major subassemblies make up the automated meteorological station, AN/FMQ-19?
- A.
  
  Sensors, field data collection unit (FDCU), terminal data acquisition unit (TDAU), and data multiplexer.
- B.
  
  FDCU, remote control display unit (RC/DU), TDAU, and data multiplexer.
- C.
  
  Sensors, FDCU, TDAU, and operator interface display (OID).
- D.
  
  FDCU, data multiplexer, TDAU, and OIDs.