Question bank Flashcards
What precautions should be taken when using an electrically powered pitot/static test set?
Do not disconnect the equipment when it use.
When using a wattmeter, how is it installed?
Current fixed coil, voltage moving coil.
When using a TDR (Time Domain Reflector), how is a short in a cable reflected?
A negative pulse.
When using a TDR (Time Domain Reflector), how is an open circuit reflected?
A positive pulse.
When using an external test set for checking ILS/LOC/ATC/VOR antenna you should?
Cover the antenna not being used.
How should you store aluminium sheeting?
Upright and separated.
SI unit measurements.
Meter/Kilogram
150°C in Fahrenheit?
302°F
What does SAE stand for?
Society of Automotive Engineering
If a drawing is scale 1;2, it is?
Half of the actual size.
What type of drawings are used in troubleshooting manuals?
Block diagrams.
Thread pitch on micrometer for 0.01mm
1mm screw pitch, 100 increments
(Not in notes)
Imperial micrometer divisions for 0.369inch
3 main, 2 sub and 19 on thimble
(Not in notes)
What could you use to measure the resistance of a wire?
A wheatstone bridge
How can you top up a lead acid battery?
By adding acid to the water
(Not in notes)
How do you store high pressure cylinders?
They are stored upright.
What precautions should be taken when working with oxygen?
Brass tools, no oils or grease present.
What tool could you use to determine the size of a hole?
A go/ no go gauge.
What is the reason behind weight and balancing of an aircraft?
Safety.
An aircrafts centre of gravity range is found where?
The weight and balance manual.
What is an aircrafts zero fuel weight?
The total weight of an aircraft excluding fuel.
A tap test is an effective form of testing on what type of surface?
Bonded surfaces.
How many readings should you take when using a depth gauge?
Several readings.
Where will you find the repair limits criteria?
In the structural repair manual.
What is dye penetrant used for?
To detect surface cracks.
When removing corrosion on an aluminium surface, what should you be aware of?
Do not use steel wool or brushes on the surface.
When fastening an interference fit bolt, where is the torque applied?
The torque is applied to the nut.
What sort of blasting is taken place on aluminium surfaces?
Bead blasting/ glass grits.
What should you be careful of when using penetrating fluid?
Penetrating fluid damages the integrity of sealant.
An aircraft should always finish a tow straightened, why?
Relief the landing gear from side loads.
When parking an aircraft, you should?
Park it facing into the wind.
If you have to manually move an aircraft, you should?
Push only at specified points.
Where is the max jacking weight found?
The AMM
What is attached to covers and blanks?
A red pennant.
Troubleshooting is know as a …..?
Systematic process.
What is the “half split method”?
It is a “Functional/ Theoretical Structure Technique
The “Probability technique” requires?
Previous operational and troubleshooting experience.
What is the “MRB”?
Maintenance Review Board.
Are AD’s mandatory?
Yes.
What is the FAA 8130-3?
It is the FAA’s version of an EASA form 1.
The authorised release certificate.
What test must be carried out if mercury is detected in an area?
You must x-ray the piece.
What does HIRF stand for?
High intensity radiated field.
The quality assurance department should have?
More than 500 staff, dedicated QA
Less than 500, personnel within
Max 10, Independent access.
How should you used soldering flux paste?
The flux paste should melt before soldering and act as a medium for the solder to appropriately bond to the surface.
What should you ensure of when soldering a wire?
Leave ample space between the wire and the insulation.
Solder best adhere’s to…?
Clean metal surfaces.
What must you check when you are using a crimping tool?
Check the tools serviceable label, and on a go/no go
ARINC
NOT IN NOTES
How are coaxial wires run in a loom?
The are outside of the wire bundle.
What is the minimum bend radius of a wire bundle?
5 times the outside diameter of the cable.
If the AMP crimp tool left an impression of two dots, what colour crimp are you using?
Blue
Cable bend radius at terminal? NIN
3x diameter
What could be the cause of an intermittent short in a circuit?
Too sharp of a bend radius.
When disconnecting electrical connectors, you should not…?
Leave the connectors hanging freely.
What could cable insulation damage lead to?
Wet arc tracking
Which of these would not cause discolouration of cable?
Sharp bends
Cable chaffing could be caused by?
A missing sleeve/ grommet
Non-conductive composite materials such as glass are coated with conductive paint to?
Aid electrical bonding.
What is the maximum permissible resistance in primary conductor surfaces?
0.05 ohms
What is the insulation resistance of an essential circuit? NIN
1 mega-ohm for every 1000v.
Insulation is tested at twice the normal voltage of a circuit.
What is the maximum permissible resistance in secondary conductor surfaces?
1 ohm
The minimum insulation resistance for wiring in the wheel well is…?
2 megaohms
What is the maximum number possible the display on a 3 ½ digit multimeter?
1999
How could you use electronic test equipment to check a batteries serviceability?
Check the battery voltage
