Z3D153 - 2016 Edit Code 3, Volume 1 Part 2

19 Questions | By Notmayo | Updated: Mar 17, 2022 | Attempts: 58

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RF Transmissions Journeyman CDCs. Split up 20 questions at a time.

Questions and Answers

1.

The RED designation is used for equipment processing
- A.
  
  Unencrypted unclassified information.
- B.
  
  Clear-text unclassified information.
- C.
  
  Encrypted classified information.
- D.
  
  Clear-text classified information
2.

Which electronic discharge sensitive (ESD) class has a sensitivity range from 0 – 999 volts?
- A.
  
  Class I.
- B.
  
  Class II.
- C.
  
  Class III.
- D.
  
  Class IV.
3.

Which of these activities would generate the most electrostatic voltage?
- A.
  
  Working at a bench.
- B.
  
  Walking across carpet.
- C.
  
  Walking across a vinyl floor.
- D.
  
  Picking up a common plastic bag.
4.

Which distinct region of the electromagnetic pulse is produced by the interactions between the weapon products and the earth’s atmosphere?
- A.
  
  Secondary.
- B.
  
  Radiated.
- C.
  
  Plasma.
- D.
  
  Source.
5.

What source region electromagnetic pulse region has a primarily vertical electromagnetic pulse electric field and what structures are affected?
- A.
  
  Radiated; antennas and bore site feedhorns.
- B.
  
  Plasma; antennas and bore site feedhorns.
- C.
  
  Secondary; cables and ground wires.
- D.
  
  Source; cables and ground wires.
6.

Which of the following statements is true concerning shielding?
- A.
  
  Cables should be of unshielded construction.
- B.
  
  Only ventilation ports are shielded along the walls.
- C.
  
  Sensitive equipment will be located within the shielded barrier.
- D.
  
  All power lines supplying shielded areas do not require filters.
7.

Little or no variations in the strength of the interfering signal when moving the receiving antenna for short distance normally indicates
- A.
  
  Enemy jamming.
- B.
  
  Internal interference.
- C.
  
  Radio receiver trouble.
- D.
  
  Unintentional interference.
8.

What type of equipment often generates many spurious emissions?
- A.
  
  Slow tuning receiver.
- B.
  
  Rapid tuning receiver.
- C.
  
  Slow tuning transmitter.
- D.
  
  Rapid tuning transmitter.
9.

What man-made noise results from voltage surges, arcing, or corona discharges?
- A.
  
  Relays.
- B.
  
  Lighting.
- C.
  
  Power line.
- D.
  
  Switching equipment.
10.

Who is tasked to provide interference resolution support to the unified commanders?
- A.
  
  The operator.
- B.
  
  Joint Spectrum Center.
- C.
  
  Installation spectrum manager.
- D.
  
  Federal Communications Commission.
11.

Who is the focal point for emission security (EMSEC) matters at an installation?
- A.
  
  Information security officer (IAO).
- B.
  
  Wing information assurance office (WIAO).
- C.
  
  Information security program manager (ISPM).
- D.
  
  Communications and information system officer (CSO).
12.

What plays a major role in a conductor’s ability to minimizing compromising emanations?
- A.
  
  Distance and angles.
- B.
  
  Distance and separation.
- C.
  
  Induction and grounding.
- D.
  
  Induction and impedance.
13.

What secondary cell is prone to the memory effect?
- A.
  
  Nickel cadmium.
- B.
  
  Carbon zinc.
- C.
  
  Lead-acid.
- D.
  
  Lithium.
14.

What power line fault category is symptomatic of a short term decrease in voltage levels?
- A.
  
  Sag.
- B.
  
  Spike.
- C.
  
  Noise.
- D.
  
  Blackout.
15.

What power line fault category is symptomatic of a total loss of utility power?
- A.
  
  Sag.
- B.
  
  Spike.
- C.
  
  Noise.
- D.
  
  Blackout.
16.

What power line fault category is more typically referred to as electromagnetic interference (EMI) and radio frequency interference (RFI)?
- A.
  
  Sag.
- B.
  
  Spike.
- C.
  
  Noise.
- D.
  
  Blackout.
17.

What type of uninterruptible power supply (UPS) has traditionally been referred to as “offline” by technicians?
- A.
  
  Passive standby.
- B.
  
  Line interactive.
- C.
  
  Double conversion.
- D.
  
  Ferro resonant standby.
18.

What type of uninterruptible power supply (UPS) uses a transformer or inductor between the utility power source and the load to correct or filter some variations in input power?
- A.
  
  Passive standby.
- B.
  
  Line interactive.
- C.
  
  Double conversion.
- D.
  
  Ferro resonant standby.
19.

How many phases of generator power are usually required for industrial and commercial applications?
- A.
  
  Single.
- B.
  
  Double.
- C.
  
  Three.
- D.
  
  Four.