Z3D153 - 2016 Edit Code 3, Volume 1 Part 2
RF Transmissions Journeyman CDCs. Split up 20 questions at a time.
- 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.
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