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B1 UR Flashcards

1
Q

What four things does a Radio Frequency (RF) Transmissions Systems Technician do?

A

Deploys, sustains, troubleshoots and repairs

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2
Q

What six type of devices does a Radio Frequency (RF) Transmission Systems Technician work on?

A

Standard radio frequency wireless, line-of-sight, beyond line-of-sight, wide-band, ground-based satellite, and encryption transmission devices

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3
Q

The first position on an AFSC identifier is?

A

The career group

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4
Q

The second position on an AFSC identifier is?

A

The career field

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5
Q

The third position on an AFSC identifier is?

A

The career field subdivision

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6
Q

The fourth position on an AFSC identifier is?

A

The skill level

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7
Q

The fifth position on an AFSC identifier is?

A

The specific AFSC

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8
Q

What skill level is awarded upon completion of the CDCs, 12 months of on the job training tasks (9 months if retraining) and obtaining supervisor/commander recommendation?

A

Skill level 5

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9
Q

Career Field Education and Training Plans (CFETP) do what?

A

They ensure viable training at the appropriate points in your career

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10
Q

The AFMAN 91-203 does what?

A

It provides a focal point for safe and healthful workplace guidance

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11
Q

What are two potential hazards for Radio Frequency (RF) personnel?

A

Working with communications-electronic equipment (CE) and repairing and installing antenna systems

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12
Q

Severity of electric shock is determined by what three factors?

A

The amount of current flowing through the body, the exposure time and the physical condition of the body

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13
Q

Normally the amount of voltage applied to the body that may result in cardiac arrest is?

A

50mA or higher

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14
Q

What are four possible side effects of current on the body?

A

Muscle spasms interfering breathing, temporary paralysis causing cardiovascular failure, ventricular fibrillation resulting in cardiac arrest and arc burns and/or temporary/permanent blindness

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15
Q

What are the two types of radiation?

A

Ionizing and non-ionizing

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16
Q

The radiated hazards of major concern in the operation of Communications-Electronic (CE) equipment are?

A

Radio frequency and x-ray

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17
Q

What type of radiation is Radio Frequency (RF) energy?

A

Non-ionizing

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18
Q

What does non-ionizing radiation do to the body?

A

Produces heat in the body tissue

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19
Q

What are four types of safe procedures and guidelines used to avoid risk of Radio Frequency (RF) radiation?

A

Applicable instructions, equipment technical orders, equipment commercial manuals and unit operating instructions

20
Q

What are two steps to take before performing maintenance on or near antennas to prevent energizing?

A

Disconnect or lock the antenna

21
Q

The mandatory time-frame to receive a medical exam after being overexposed is?

A

Within 72 hours of the overexposure

22
Q

Standardized communications links for use in transmitting digital information are called?

A

Tactical Data Links (TDL)

23
Q

The Tactical Data Link (TDL) program facilitates information exchange between who?

A

US and Allied commands

24
Q

What is a secure digital point-to-point legacy data link that operates in half-duplex?

25
Q

What is a secure digital point-to-point data link that operates in full-duplex and uses serial transmissions?

26
Q

What is a secure, frequency hoping (FH), line-of-sight (LOS) data link whose primary purpose is situational awareness and C2?

27
Q

What is the primary data link for USAF?

28
Q

What are the high-capacity, Ultra-High Frequency (UHF), Line-of-sight (LOS), Frequency Hopping (FH) data communications terminals that provide secure, jam-resistant voice and digital data exchange over Link 16

A

Joint Tactical Information Distribution System (JTIDS) / Multi functional Information Distribution System (MIDS)

29
Q

Why is Link 16 ill-suited for ground applications?

A

It’s frequency band does not penetrate foliage or man-made structures and it does not bend around hills

30
Q

A joint service secure, jam-resistant data link that is primarily used by ground forces for blue-force tracking (friendly troop position information) and digital data dissemination is called?

A

Enhanced Position Location Reporting System (EPLRS)

31
Q

Situational Awareness Data Link (SADL) provides what four things?

A

Fighter-to-fighter, ground-to-air and air-to-ground communications in addition to air-to-ground combat identifications

32
Q

What allows smooth and immediate transfer of electrical current between multiple sources and the load?

A

An Automatic Transfer Switch (ATS)

33
Q

The transfer switch continues to ____________________, and when it is restored,
switches the load ____________________ back to the utility power.

A

monitor utility power; from the generator

34
Q

What does an uninterruptible power supply (UPS) system provide?

A

An alternate source of clean Alternating Current (AC) power in an emergency

35
Q

The UPS system provides backup power to mask what type of outage?

A

Short-term outage

36
Q

A reference point from which voltages are measured, a common return path or a direct physical connection to earth is?

37
Q

What are the three main reasons for groundin?

A

Personal safety, equipment protection and noise reduction

38
Q

What are the four main methods for obtaining better grounding?

A

Deeper grounding electrode, parallel grounding electrodes, soil replacement and concrete encapsulation

39
Q

A electrical connection between two electrically conductive objects made with the intent of significantly reducing potential differences is?

40
Q

What are three methods of bonding?

A

Soldering, bolts/nuts/clamps and exothermic connection

41
Q

What re five components of lightning protection?

A

Strike termination devices, bonding, cable conductors, grounding electrodes and surge protection devices

42
Q

The use of conductive enclosures or casings to reduce electromagnetic interference (EMI) or radio frequency interference (RFI) to sensitive equipment is?

43
Q

What is the purpose of shieding?

A

To isolate electrical devices from their surroundings

44
Q

An Electromagnetic Pulse (EMP) is caused by what?

A

Nuclear explosion

45
Q

What are three measures to protect against the effects of an electromagnetic pulse?

A

Grounding, bonding and shielding

46
Q

An electrostatic discharge (ESD) occurs when?

A

A positively or negatively charged material contacts a grounded object or and object of the opposite charge

47
Q

What are two simple rules for substantially reducing the risk of electrostatic discharge (ESD) damage?

A

Handle all ESD sensitive items at an approved static controlled workstation
Transport and store all ESD sensitive items (both reparable and serviceable) in static shielding (Faraday Cage) and non-charge generating packages or containers

RF UR (11 decks)

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