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102 Cards in this Set
- Front
- Back
- 3rd side (hint)
How are terminal lugs placed on a stud?
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Largest on bottom
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How many grounds can be connected to a ground terminal?
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No more than 4
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NavAir 01-1A-505-1 01700 pg 4
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What frequency will be most absorbed by the human body?
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30-300 MHz
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M10550.25A 4.1.10.2.3
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The CG lowered the UHF frequency range from 300MHz to what?
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225 MHz
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What is the most dangerous thing about a strobe light?
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High AC voltage, 3 minutes to discharge capacitor before handling
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CGTO 1C-130H-2-33GS-00-1
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What would make a strobe light fail prematurely?
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What is the color of the plastic tool for extracting a pin?
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White
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What is the max pressure that should be attached to the HT9000 nitrigen heat gun?
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200 psi or 5 to 7 psi for normal operating
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NavAir 505-1 1200 pg 5
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Whose responsibility is it to purchase general test bench equipment?
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Procurement of General Purpose Electronics Test Equipment used primarily for station
maintenance and all specialized Electronics Test Equipment for other than avionics use is a MLC or district responsibility. |
COMDTINST M13020.1F Ch8.E.2.e
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To prevent a spark what lead should you put on last?
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Negative; ON: positive then negative OFF: negative then positive
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COMDTINST N10550.25A PG 4.1-33
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How do you neutralize NiCad battery acid?
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3% solution of acetic acid, vinegar, lemon juice or a 10% solution of Boric acid
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TO 1H65A-11-243200 pg 6
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Electrolyte used in a Nickel Cadium battery is?
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30% Potassium Hydroxide; 70% Water
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What would be a suitable storage place for lead-acid batteries?
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Ventilated fireproof rooms
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PG 85-00-110 pg2-4
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If you get electrolyte in your eyes, how long should you flush them with water?
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With large quantities of water for at least 15 minutes.
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PG 85-00-110 pg 2-3
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How many times must a battery shop be ventilated?
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3-4 times per hour
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PG 85-00-110 pg2-3
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What are the requirements for a NiCad battery shop?
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Mech. Ventilated, smoking prohibited, location must be approved by the installation ground safety director, fire inspector chief, and medical officer.
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PG 85-00-110 pg 2-3
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What is the purpose of wearing a face shield while servicing a NiCad battery?
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Protect eyes from electrolyte spray. This might occur when cells are removed or squeezed into place or when vent caps are removed.
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PG 85-00-110 pg 2-2
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What would be some characteristics of a NiCAd battery?
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What do you use to extinguish a nicad battery overheat?
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Water fog for overheat & CO2 for flames
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An exposed metal in the tops of the battery cell should be treated with?
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Mil-C-85054
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The maximum current leakage allowed between the case & battery terminal is?
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150ma
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During discharge what happens to the plates within a cell?
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Gassing is increased
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What pressure will vent cap on a battery cell release the build up of gas?
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6 psi +/- 4
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What is the continuous thin multi laminate of nylon and cellophane that keeps the Neg & Pos plates from coming in contact with one another?
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Separator
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Why is a specifiic gravity check of the electrolyte used not acceptable to determine charge?
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Does not change during charge or discharge
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What would cause a battery to fail or deliver its rated capacity?
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Cell imbalance or faulty cell
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What bonding class is used for lightning?
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"L"
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Bonding Classes: 6
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Class "A" (antenna installations) Class "C" (current path return) Class "H" (shock hazard) Class "L" (lightning protection, except antenna) Class "R" (RF potentials) Class "S" (static charge)
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What does the AB represent on wire# ARC174-27AB20N?
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Wire segment letter double letters will be used when there are more than 24 segments
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NavAir 505-1 pg 00800 pg8
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A wire 12R5-2ARN30W, what part shows its an "airborn" electronics system?
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A
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A bad wire was found 2RZ123A20N, what system is effected?
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ICS
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An HU-25 has a wire problem with X123A16, what system is this?
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AC Power
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NavAir 505-1 00800 pg 8
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What wire # for radio communication?
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R
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NavAir 505-1 00800 pg 7
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What effect would a DC wire have on a wet compass if it was next to it?
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Conduct 90 degrees towards magnetic flow
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NEETS, Mod 2 pg1-4
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If the optimum 6" distance can not be maintained for wire bundles next to flammable lines what should the distance be?
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Minimum 1/2" level with flam lines space clamps, so if wire breaks it won't contact flam lines nylon sleeve.
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NavAir 505 01000 pg 10
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What type of diagram would you find wire size?
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Wiring diagram
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What size wire is used for sheer wire?
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0.002
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What type of wire is used to keep a "guarded" switch closed?
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.0020 copper
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The communtator on a DC generator act like what?
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The GCU controls DC how?
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Uses 28VDC to close generator contactors
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2-24GS pg 2-42
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What is the correct phase sequence of a generator?
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A,B,C
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2-24GS pg4-1 table 4-2
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In an AC generator, voltage is controlled by the strength of what?
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Magnetic Field
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What is the first step for cleaning saltwater immersed electronics?
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Flush with clean fresh water, no mention of water temp.
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NavAir 16-1-540 10-2
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When can you remove a part that has been soaking for salt water clean ups?
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Not less than 4 hours in warm circulating water or change water every hour in non-circulating. OR when you're ready to assemble
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When are you authorized to remove saltwater immersed avionincs from the alconox mixture?
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What is the salt water immersed equipment drying time?
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24 hrs at 150 degrees F
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How long do you bake equipment at 150 degrees after the solution emmersion procedure has been completed?
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2 hours ( Dry at 130 degrees for 1 to 2 hours)
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NavAir 16-1-540 10-
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What is the proper mixture of "alconox" for salt water clean up?
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99% fresh water to 1% alconox
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What chemical is used when flushing salt water immersed equipment?
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Potassium Dichromate: 1/2 oz. to every 10 gallons
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What type of cleaning agent is used on circiut cards?
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Isopropyl Alcohol
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What is the hazard using Carbon Tetrachloride?
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It is prohibited, causes ozone depletion
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When an indicator is full of salt-water what process is used?
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Remove it from the gear
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M10550.25
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When would a ground recepticle be checked that a resistance lower than 10,000 ohms?
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Every 14 months
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PG 85-00-110 pg 2-14
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What is the tolerance of a 100 ohm resistor with a silver band?
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10% ( Gold x .1 Silver x .01) [Gold 5% Silver 10%]
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What is the Maintenance code for shops?
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Class D: The work performed consists of the routine day to day up keep required by shop facilities.
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M13020.1F pg 3-1
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Material Safety Data Sheets:
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1. Identification 2. Ingrediant Information 3 Hazards 4. First Aid 5. Fire Fighting 6. Accidental Release 7. Handling & Storage
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A fuse A03 is what in comparison to A05?
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shorter
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What is the difference between an F02 and a F05 fuse?
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F05 has larger diameter
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A fuse is designed for what purpose?
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Protects circuit from an overcurrent
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NavAir 505
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What is a fuse made to protect against?
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Current overloads caused by shorts or other faults
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NavAir 505 02800 pg 9
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What are polyethane coatings on connectors used for?
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Static discharge // Prevent corrosion??
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A Type 2 crimper makes what kind of impression?
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A formed crimp
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NavAir 505 CH01300 pg50
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How are voltmeter ranges listed?
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Internal impedence
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What is the impedence of a TNC connector?
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Nominal impedence of 50ohms
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NavAir 505 02100 pg 15
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Electronics gear is what kind of property?
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High Value
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What color is the 3rd band on a 4.7 ohm, 5% tolerant resistor?
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Gold, It would be Yellow, Violet, GOLD, Gold
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A coaxial cable in a communications circuit would be labeled how?
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R
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NavAir 505-1 00800 pg7 table 2
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What is the purpose of a transformer-rectifier?
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Convert AC to DC
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To take a radar sample with an inline watt meter what is required?
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Where do you look to find the list of electronic equipment in the shop?
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On the Electronic Installation Record(EIR)
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M10550.25 pg 5.2-199
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What does an inverter do?
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A mechanical device that converts a DC input to a AC output.
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NAVEDTRA 14323 PgA1-2
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How is voltage regulated?
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Varying current to the exciter winding maintains a constant load
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How is a system regulation with 208 volts connected in an AC system?
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Between 2 phases
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ERPALS was in section 15 of the 298. What type of material is it?
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Electronic Repair Parts Allowance List is an electronic spare parts list.
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M10550.25 pg 5-11
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What does EIS stand for and what does it do?
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Electronic Equipment Information Systems, a CG computer software application for maintaining mx and inventory data. Presently two used AIM & CMPlus
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M10550.25 pg6-3
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What are the curently approved safety harnesses constructed of?
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Parachute harness constructed of nylon web material
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M10550.25 pg 2-3
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A megger produces what type of voltage?
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A hand driven DC generator
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NEETS module 16 pg 3-18
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How often are Air Stations grounds & antennas inspected?
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Quarterly
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M10550.25 pg 11-8
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What receptacle does not require marking?
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Any outlet voltage & frequency other than 110 vac, 60Hz shall be labeled
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M10550.25 pg 2-13
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A coax that has a short will display what on a TDR?
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Negative deflection
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What does the 12 stand for in the plug #... MS1385E12-10PW?
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Shell size
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NavAir 505
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When a cannon plug has a single wire, how is the segment marked?
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marked A
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NavAir 505
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What is ROM?
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Read Only Memory; Nonvolatile Read memory, not lost when power is shut off.
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Microelectronics pg54
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What is RAM?
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Random Access Memory; Volatile memory lost when power is shut off
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Microelectronics pg54
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How does a computer retrieve bits of information?
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I/O devices
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NAVEDTRA 12331
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What is the disadvantage of parallel ports via serial ports?
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Requires more interconnecting cables, complex circuits and more expensive
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NAVEDTRA 12331
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What does MOSFETstand for?
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Metal-Oxide semi-conductor field effect transistors
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PG 85-00-110 Encl 9
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What are the correct handling procedures for MOSFETs?
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Personnel shall utilize ground device.
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PG 85-00-110 Encl 9
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What type of material is used on a bench for MOSFETs?
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Metal or conductive rubber, grounded bench
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PG 85-00-110 Encl 9
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What is the proper packing for a MOSFET?
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Stored in conductive package so all leads/pins are shorted via the package. Prevents electrical & mechanical damage
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PG 85-00-110 Encl 9
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How would you decrease noise generated on a receive line?
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Place a filter on the primary power line
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M10550.25 pg
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How is shielding used in a system to reduce noise?
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The effectiveness of a shield assembly is its ability to contain the noise fields within the shield
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TO 12R-1-1
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What type of electrical diagram uses graphic symbols to show how the circuit functions electrically?
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Schematic
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Blueprint reading & sketching pg 6-1
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What type of electrical diagram shows the major components or a system are represented by squares, rectangles or other geometric figures and the normal order of progression of a signal or current flow is represented by lines?
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Block
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Blueprint reading & sketching pg 6-1
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What type of electrical diagram is made up of pictorial sketches of the various parts of an item of equipment and the electrical connections between parts?
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Pictorial Wiring
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Blueprint reading & sketching pg 6-1
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What type of electrical diagram shows the outline of a ship or aircraft and the location of equipment such as panels, connection boxes and cable runs?
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Isometric wiring
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Blueprint reading & sketching pg 6-1
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What type of electrical diagram uses lines & graphic symbols to simplify complex circuits or systems?
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Single-line
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Blueprint reading & sketching pg 6-1
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What type of electrical diagram shows how each individual conductor is connected within the various connection boxes of an electrical circuit or system?
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Elementary wiring
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Blueprint reading & sketching pg 6-1
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