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90 Cards in this Set
- Front
- Back
What structural areas allow maintenance personnel to inspect or service aircraft components? |
Doors |
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Which major aircraft structural area provides support for the engines? |
Nacelles |
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Which is not a major aircraft structural area? |
Wing carry-through |
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What components guard against accidental firing of ejection seats? |
Safety pins |
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How do independent positioning determine subsystems function? |
Independent of ground equipment |
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Which is not an offensive avionics system? |
Built-in test system |
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Which is not part of an engine indicating system? |
Water temperature |
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What is normally considered a minimum safe distance from the inatke of an operating jet engine? |
25 feet to the front and sides |
|
When approaching overheated aircraft wheels, always approach the wheel |
from the front of or behind the wheel |
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Initially what happens when RF energy is absorbed in the tissue of your body? |
Heat is produced |
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What is the minimum safe distance from a UHF antenna when the associated transmitter is radiating power? |
1 foot |
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The minimum safe distance from a HF antenna when the associated transmitter is radiating power is |
5 feet |
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Which condition is not caused by overexposure to noise? |
Excessive energy |
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The greatest noise levels around an operating jet aircraft engine is to the rear of the engine through an angle of |
45 degrees on either side |
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Which physical symptom is least likely to indicate a person is suffering from overexposure to noise? |
unconsciousness |
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Which is a condition that results from frequent exposure to small overdoses of noise? |
Permanent hearing loss |
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Which is not an Air Force inspection concept? |
Preflight |
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Which units fall under the programmed depot maintenance inspection concept? |
All units regardless of MAJCOM |
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Which inspection is designed to detect defects that might have developed during ground operation of the aircraft? |
End-of-runway |
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When is the thruflight inspection performed? |
Prior to takeoffs at intermediate stops |
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Which inspection is more extensive than the hourly postflight or basic postflight inspections and covers certain parts, areas, and systems of the aircraft that require less frequent inspection? |
Periodic |
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When the HSC inspection becomes due during a long-range mission, it is completed at the base |
to which the aircraft belongs |
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Which inspection includes a review of the forms for current status, a visual inspection of equipment for defects, and adequate servicing? |
Operator inspection |
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Malfunctions documented on an AFTO Form 244 are the responsibility of |
Aerospace ground equipment mechanics |
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Part V of the AFTO Form 244 is used to document |
Maintenance/delayed sicrepancies |
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The AFTO Form 781-series would not be used to document aircraft |
Component repair |
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Except for battle damage, each discrepancy discovered is documented on the AFTO Form 781 |
A |
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At what point do you erase symbols you entered on the AFTO Form 781A? |
Never, even if you entered them in error |
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Who ensures that the job control number is entered on the AFTO Form 781A? |
Technician |
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Which information is required in the corrective action block of the AFTO Form 781A? |
Description of the corrective action |
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Who is responsible for the validity and legibility of all COMSEC required entries? |
Comm/Nav technician |
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Which AFTO form is used to document maintenance status and servicing information? |
781H |
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Which AFTO form is used to document aerospace vehicle time and engine data including operating time? |
781J |
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Which AFTO form allows you to record essential inspection and delayed maintenance data? |
781K |
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Block C on the AFTO Form 781K is used to document |
Inspection items that require inspection/testing at a specified time/period |
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To "flag" a condition on an aircraft that could cause damage or injury if ignored, used |
AF Form 1492 |
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What portion of the tag is used to provide a cross-check with the aircraft forms and is inserted through the aircraft forms binder? |
The bottom portion |
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What helps to dissipate and lessen the effects of electrostatic discharges? |
Humid air |
|
An example of an ESDS device is a |
PROM |
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What type of failure associated with ESD is the most difficult to detect? |
Latent or delayed |
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Which is not a flight line precaution used to protect ESDS components? |
Using protective tote boxes |
|
When working on ESDS devices in the shop area, you must use |
a grounded workbench |
|
What type of ground do you need to provide for soldering irons in an ESD protected area? |
Hard |
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Which action could pose a safety hazard to personnel in an ESD protected area? |
Use of ionizers |
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Which type of cable carries RF power from one point to another with a known rate of loss? |
Coaxial |
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Which is not a type of connector coupling? |
Insertion |
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All of the following are RF connector precautions except |
ensure a good grip when using pliers |
|
Twisting an optic fiber during installation or maintenance results in |
reduced optical power transmission |
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What is not an advantage of fiber optic cables over copper wire? |
Cost |
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Optoelectronic transducer detectors perform what function in a fiber optic transmission? |
Converts optical energy to electrical energy |
|
Utilizing exact dimensions for strippng wire ensures |
proper connection |
|
Flux is designed to |
prevent oxygen from combining with metal |
|
Proper care of an electric soldering iron involves |
keeping iron in a proper holder when not using it |
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Which is not a type of solderless connector? |
Connector splice |
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What type of solderless connector permits easy and efficient connections to electrical equipment? |
Terminal lug |
|
One purpose of crimper positioners is to |
put pin contacts in the proper position |
|
The colored end of an insertion and extraction tool is used for contact |
insertion into a rear-release connector plug |
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One way of pressure and moisture sealing the back of a connector is to use |
silicone tape |
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The MIL-STD that governs heat tool operations in a potentially explosive enviornment is |
810 |
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The heat and air pressure required for proper installation of heat shrink products is controlled by the |
tool operator |
|
As a flight line technician, you can repair up to |
25 percent of the outer shield circumference of an EMP hardened cable |
|
Before performing any type of wire repair, you must consult the procedures in TO |
1-1A-14 |
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What precaution must you adhere to prior heat shrink to a wire repair job? |
Warnings concerning use of heat tools on aircraft |
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What is the purpose of prewaxing cotton or linen tape when used for wire bundling? |
Promotes moisture and fungus resistance |
|
Which of the following is not considered a general precaution when lacing or tying wire groups or bundles? |
Tie all wire groups or bundles 12 inches or less apart |
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The circuit used in an AM transmitter to bring the oscillator frequency up to the designed frequency required for carrier wave operation is |
a frequency multiplier |
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To achieve AM, what device is used to ensure the output signal contains frequencies not present in the input signal? |
Non-linear amplifier |
|
The frequencies created by the heterodyning process in an AM transmitter modulator are the |
sum and difference |
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Which is not a basic characteristic that can vary in a modulating wave or signal? |
Rate |
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In an FM signal, the amount of frequency modulation is controlled by the modulating signal's |
amplitude |
|
In an FM transmitter, the frequency of the oscillator is controlled by the |
reactance modulator |
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In an FM transmitter, which circuit detects the output frequency changes and produces an automatic frequency control correction voltage? |
Discriminator |
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The low-pass filter in the automatic frequency control circuitry of a FM transmitter prevents |
correction voltage changes caused by the modulation signals |
|
Which is not an advantage of single sideband over double sideband? |
Frequency stability |
|
In a single sideband transmitter, frequency stability is controlled by |
Carefully controlled oscillators |
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In single sideband transmitter, the balanced modulator's output consists of |
the upper and lower sidebands |
|
The single sideband transmitter circuit that increases the power output without introducing distortion is the |
linear power amplifier |
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The ability of a radio receiver to select a particular station frequency from all other station frequencies that appear at the receiver antenna is called |
selection |
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In a typical AM superheterodyne receiver, the process used to tune two or more circuits with a single control is called |
ganged tuning |
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In a typical AM superheterodyne receiver, the heterodyning process produces four frequencies; they are the two basic input frequencies, their sum, and their difference. The difference frequency is known as the |
intermediate frequency |
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The purpose of the limiter circuit in an FM receiver is to |
remove amplitude variation from the intermediate frequency signal |
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FM modulation signals provide much more realistic sound reproduction than AM signals because |
of an increase in the number of sidebands |
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The two advantages of using a single-sideband receiver over an AM receiver are the ability to place |
more signals in a small portion of the frequency spectrum and a narrower receiver bandpass |
|
The basic difference between the single-sideband receiver and a conventional superheterodyne reciever is that the single-sideband receiver uses a |
special detector and carrier reinsertion oscillator |
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A major drawback in using a single-sideband receiver over an amplitude modulated receiver is the |
need for critical frequency stability |
|
A receiving radio antenna receives radio frequency signals by |
electromagnetic fields impressing a voltage across the antenna thus causing current to flow |
|
The ratio of the maximum radiation intensity of a given directional radio antenna to the radiation intensity of a nondirectional radio antenna using the same power input it known as antenna |
gain |
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The radio frequency line that has uniform capacitance betweenthe conductors throughout the length of the line is the |
shielded pair |
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When the impedance of a radio frequency transmission line and load do not math, the reflected wave and the applied wave are on the line at the same time and are creating a |
standing wave |
|
What type of radio frequency transmission line losses result from the skin effect? |
copper losses |