Vol 1 STQ Flashcards
What does the first character of the RF Transmission Systems AFSC represent?
Support
What is the fourth position of a RF Transmission Systems journeyman’s AFSC?
The skill level; in this case, it’s the 5-skill level or journeyman level.
Where is the current and complete list of SEI(special experience identifier) codes located?
Part II of the AFECD(Air Force Enlisted Classification Directory) on myPers.
Where can you find the most current version of the CFETP(career field education and training plan)?
On the Air Force’s e-publishing website http://www.e-publishing.af.mil.
What does part II section A of the CFETP (career field education and training plan) include?
The STS (which includes duties, tasks, and TRs to support training), Air Education and Training Command (AETC) conducted training, wartime course and core task and correspondence course requirements.
What is the AFSC of a RF Transmission Systems technician after being promoted to the rank of SMSgt?
3D190
State the overall purpose of the RF Transmission Systems AFSC.
To deploy, sustain, troubleshoot, and repair standard RF wireless, line-of-sight, beyond line-of-sight, wideband, ground-based satellite, and encryption transmission devices in a fixed and deployed environment.
Which AFSC installs, supports and maintains servers or other computer systems and responds to service outages and interruptions to network operations?
Cyber Systems Operations (3D0X2).
Which AFSC monitors and analyzes performance of underground, buried and aerial cable, and antenna networks?
Cable and Antenna Systems (3D1X7).
Which AFI consolidates material in the 91-series of the AFOSH standards as they relate to general AF operations?
AFI 91-203.
What direction should you use when there is conflicting safety guidance?
The direction that provides the most protection.
What should you do if you encounter a hazardous situation not covered by existing directives?
Utilize the RM (risk management) process to assess the risks associated with the situation and then determine what adequate safeguards or procedures are necessary to manage those risks.
What is a JSTO (job safety training outlines)?
An outline of mandatory training items that supervisors use to prepare JSTG
What does the JSTG (job safety training guide) identify?
Applicable safety, fire protection/prevention, and health requirements for the specific work environment, and accomplishes this through both safety awareness and job safety training.
What is the most common method of documenting the completion of mandatory employee safety training?
By use of the AF Form 55.
Within how many hours should you report a personal injury; property damage; or any suspected exposure to biological, chemical, or nuclear hazardous materials to your supervisor?
Twenty four
What should you do if you notice a spill?
Take immediate action and clean it up.
Who has the primary responsibility for identifying workplace hazards?
The individual.
Can lead to long-term health problems. Early signs include
Stress
Contributing factors include fatigue, inattention, worry, anger, distraction, urgency, and lack of job knowledge.
Human
Exists when there is a risk of direct skin contact, inhalation, accidental ingestion, or absorption of hazardous chemicals.
Chemical
Includes any virus, bacteria, fungus, protozoan, insect, or other living organism that can cause a disease in healthy humans.
Biological
Includes insufficient lighting, excessive levels of noise and vibration, excess pressure, temperature extremes, oxygen deficiency, and non-ionizing radiation.
Physical
Which form is authorized for use by the USAF Hazard Reporting Program to identify and report hazards?
AF form 457.
What are the most common work center accidents?
Walking surface mishaps, manual material handling mishaps, and electrical mishaps
What are the primary reasons for walking surface mishaps?
Poor housekeeping, dangerous surface conditions, inadequate lighting, and human factors
What determines the severity of an electric shock?
The amount of current flowing through the body, the time of exposure to the electricity, and the body’s physical condition.
What AFI directs specific LOTO requirements?
AFI 91-203.
Why should you not rely on safety devices such as interlocks, high voltage disconnect relays, or automatic circuit grounds?
They are subject to failure.
In the event of suspected RF over-exposure, who should you report the incident to?
Your supervisor.
Within how many hours must a medical exam be conducted if a person has been overexposed to non-ionizing radiation?
Seventy two hours.
Within how many hours must you report ionizing radiation overexposures to the base BEE office?
Three hours.
What does SIPTO (standard installation practices technical order) guidance help to ensure?
Installation projects are accomplished safely, with special emphasis on personnel and equipment safety.
Who should you contact to gain access to SIPTOs (standard installation practices technical order)?
TO library custodian
What does the term interconnection mean in communications?
Linking two or more systems or items within a network together.
When a metal cable duct divider is horizontal, how are the upper and lower sections used?
The upper section is for signal and control cables and the lower section for power cables
How many feet are surface installation support intervals for cables now allowed to exceed?
Five
Why should you control the number of splices in a fiber cable?
To minimize transmission loss and to reduce the installation time and expenses generated due to splices
Place the first marker (label) within how many inches on a cable from the connector and how will it be marked?
Within 12 inches and will be marked “TO.”
What guidance should you follow when configuring network equipment?
Gateway access authorizations or cut sheets and technical order specifications.
Who determines the minimum scheduled inspection requirements for assigned equipment?
Each IIM/ SM(system manager)/ PM(program manager)
Which type of inspection must be performed prior to placing equipment into service?
Acceptance Inspection.
Who is authorized to increase the frequency or scope of scheduled inspections?
Flight commander or Flight chief.
What are the three main functions of grounding?
Personnel safety, equipment protection, and noise reduction
What are the four subsystems that compose the facility ground system?
The earth electrode, lightning protection, fault protection, and signal reference.
What facility ground subsystem is also known as the safety ground?
The fault protection subsystem
When does bonding occur?
When a low-impedance path between two metal surfaces is established.
What does the term bond refer to?
Both the mechanical interface between the joined conductors and to bonding straps used to interconnect two separate conductors.
What is the maximum resistance for bonds in the earth electrode subsystem?
One mΩ
What type of bond is not allowed for the lighting protection and fault protection subsystems?
Soft solder.
Name at least three less obvious conductive paths for the escape of CEs
Power lines and the electrical metallic tubing they run in, extension cords, signal ground wires, alarm signal lines, fire suppression piping, air conditioning and heating ducts, water pipes, and building metallic members.
What is considered RED equipment?
Equipment that processes clear-text classified information
What is considered BLACK equipment?
Equipment that processes encrypted or unclassified information
When does generation of electrostatic charges occur?
Whenever there is motion and friction between various types of material.
What are the three classes of ESD?
Class I - Sensitive items from 0 to 999 volts.
Class II - Sensitive items from 1,000 to 3,999 volts.
Class III - Sensitive items from 4,000 to 14,\,999 volts.
What is the best method for controlling electrostatic discharge?
Preventing it from building up
What is the single most important item for effective static control?
Wearing a conductive wrist strap.
EMP is a product of what action?
Nuclear explosion
Which two elements produce the EMP effects?
Gamma rays and secondary neutron radiation
What are the three electromagnetic pulse forms that produced detonations at different levels?
HEMP - (high-altitude electromagnetic pulse)
SGEMP - (system-generated electromagnetic pulse)
SREMP - (source region electromagnetic pulse)
What are the two distinct regions of importance for SREMP? (source region electromagnetic pulse)
The source region where EMP is generated and the radiated region.
What capability can be employed by MILSTAR to mitigate communications loss within a contaminated area?
Crosslink
Describe the difference between long-line and local effects of EMP on facilities?
Long-line effects are the currents and voltages induced on long power lines, communication cable links, or even other conductors, such as pipelines. These long-line EMP effects occur from a signal being induced far away and guided to a facility along a conductor. Local effects are the currents and voltages induced directly on the facility shield, building structure, wiring, equipment cabinets, and so forth.
How can a facility be survivable against EMP?
It should be shielded as much as possible. Furthermore, all openings to the facility need to be filtered and protected. The facility also needs to be isolated from any external electric electromagnetic propagation in the earth.
Where should all metallic penetrations entering the protected area be located?
At a common location.
To reduce coupling into susceptible circuits, what element is installed on both signal and power lines?
Filters
What is EMI?
Any electromagnetic disturbance that interrupts, obstructs, or otherwise degrades or limits the effective performance of electronics and electrical equipment.
What type of EMI occurs when an unwanted carrier frequency follows the normal signal path through the effected receiver?
Co-channel.
How can you eliminate broadband transmitter noise?
By placing a band-pass filter on the offending transmitter
What type of intermodulation can have a very large bandwidth and cause more severe interference problems than intermodulation products created in either transmitters or receivers?
Rusty bolt.
When do spurious responses occur?
When a receiver responds to off-frequency signals.
What type of equipment often generates many spurious emissions?
Transmitters that use rapid tuning methods.
What type of EMI occurs when high level radiated signals penetrate and induce a radio frequency voltage in the internal circuits of a system or equipment?
Brute force
What amplitude modulated receivers are particularly susceptible to power line noise?
High frequency and very-high frequency
How would you normally eliminate EMI caused by sodium and mercury vapor lights?
Installing new bulbs.
What is the purpose of the AFSIR(Air Force spectrum interference resolution) program?
Document and resolve spectrum interference problems
If your EMI sounds like noise, what are possible sources of these interferences?
Power lines, welding equipment, etc.
What document contains guidelines for classifying EMI reports?
CJCSI 3320.02D.
Who is responsible for recording specific information concerning EMI?
The operator
What service provided by the 85 EIS analyzes and recommends corrective actions for reported EMI problems?
QFIRC (quick fix interference reduction capability )
What is the objective of the JSIR (joint spectrum interference report) program?
Report and assist with the resolution of EW (electronic warfare) and recurring EMI (electromagnetic interference).
Who maintains a central database of EMI cases, resolutions and lessons-learned for all DOD EMI?
JSC (Joint Spectrum Center)
What is TEMPEST? (telecommunications electronics material protected from emanating
spurious transmissions)
An unclassified DOD term referring to technical investigations for CEs from electronically operated information processing equipment.
What is the primary objective of EMSEC? (emissions security)
Identify requirements from the standpoint of IA (information assurance) risk management principles and to provide the appropriate protection at the least possible cost; preferably at no cost at all.
What is the WIAO’s (wing information assurance office) role in terms of EMSEC (emissions security)?
The WIAO (wing information assurance office) is the focal point at a given installation for EMSEC (emissions security) matters. The purpose of the WIAO is to assess the need for EMSEC and determine the required countermeasures.
At what angle do conductors introduce less mutual induction?
Right angles
What type of cable does not generate any compromising emanations, and are not susceptible to electrical interference?
Fiber optic.
As a minimum, what should you use for baseline TEMPEST (telecommunications electronics material protected from emanating
spurious transmissions) protection?
Nonferrous shielded cable.
What are the two categories of batteries?
Primary and secondary cells.
What is another name for primary cell batteries?
Dry cell, because of its moist paste electrolyte.
What primary battery cell has a very low internal resistance, and a high service capacity?
Alkaline
What secondary cell battery is known for its light weight, high power capacity, no memory effect and long shelf life?
Lithium battery.
What is the primary reason for an UPS?
To provide an alternate source of clean AC power in an emergency
What are the five basic categories of power line faults?
Sags, blackouts, spikes, surges, and noise.
What power line fault is similar to a tidal wave and can damage or completely destroy components?
A spike.
What are the three types of UPS defined by the IEC?
Passive standby, line interactive, and double conversion.
What UPS topology has been traditionally referred to as “offline?”
Passive standby.
What UPS topology has been traditionally referred to as “online?”
Double conversion.
How many phases are preferred in a generator set for motors and industrial applications?
Three-phase power.
What are the power specification outputs for the two types of generator sets?
Three phase generators are set up to produce 120/208 or 277/480 volts. Single-phase sets are 120 or 120/240.
What is the purpose of an ATS(automatic transfer switch)?
It allows for smooth and immediate transfer of electrical current between multiple sources and the load.
