M7 Flashcards
- prohibit action that could cause hazard
prohibition signs
- command a certain action
mandatory signs
- warn against danger or risk
warning signs
- show escape routes. emergency doors. etc
emergency signs
- max load to be lifted manually
20kg
- used for pneumatic tools like drills. rivet guns etc
compressed air
- used to inflate tires and shock struts
compressed nitrogen
- used to dissolve
dilute or suspend other materials
- Class A fire
solid matter (wood
- Class B fire
liquid matter or oils and grease
- Class C fire
gaseous matter
- Class D fire
flammable metals
- Class F fire
cooking oil and fat
- only be used for Class A fires
water
- eliminates oxygen from fire and suitable for class a & b fires
carbon dioxide
- most effective for class a.b & c fires
dry powder
- liquified. compressed gas that stops fire by chemically disrupting combustion
Halon
- most common fire extinguishing agent for aircraft cabin
halon
- aqueous film forming foam agent that builds layer of foam when discharged
foam
- used for class d & f fires
sand
- covering law and serves the company’s internal emergency and catastrophe protection and/or limitation of damages in case of emergencies
alarm order (AO)
- Systeme International d’ Unites
SI
- diff between basic dimension and the upper or lower limit
tolerance / allowance
- used for sheet metal layout and measurements where slide gauge or micrometer is not needed
steel scales or rules
- equipped with hook on on6e end that will hold onto a corner or ledge
flexible steel tape
- most common tool for testing squareness of components and parts
tri-square
- consist of half round dial that is graduated from 0 to 180 degrees (measure angle)
protractor
- hole is larger than shaft
clearance
- used to measure inside or outside radii
radius Gauge
- used to check interface gaps or gaps and made of thin steel leaves
feeler gauge
- freezing & boiling point in fahrenheit
-32 F (freezing) & 212 F (boiling)
- freezing & boiling point in celsius
-0 C (freezing) & 100 C (boiling)
- 5/9 x (F-32)
fahrenheit to celsius
- 9/5 x C+32
celsius to fahrenheit
- (K-273)
kelvin to celsius
- used to mark permanent lines on components or part surfaces
scriber
- used for measuring absolute height above the datum surface
venier height gauge
- electrical interconnection of metallic parts for safe distribution of electrical charges
bonding
- amount of rotational force applied when tightening a fastener
torque
- show actual torque on mechanical scale
dial gauge or electronic scale
- preset to the desired torque value and starting a signal when the torque is reached
Signalling torque wrenches
- where torque values are found
maintenance manual
- control friction & wear by introducing friction reducing film between moving surfaces in contact
lubricant
- concentrate the force from hammer blow to immediate area of punch tip
punches
- used for separating material & for producing grooves and notches
sawing
- space from one tooth to the next
pitch
- for soft material
coarse
- normal materials
medium
- hard material
fine
- process which removes material from metal or wood etc
filing
- used to produce smooth surface
single cut file
- used for fast metal removal
double cut file
- produces extremely rough cut
rasp cut file
- produce very smooth finish on soft metals
curved tooth
- bench or floor mounted machine
pillar drill
- tightens the drill. countersinking bit. reamer etc
Chuck
- finishing operation that provides closer control of hole sizes and better finishing than drilling alone
reaming
- consists of a bar and two measuring jaws
vernier caliper
- high precision measurement tool with accuracy of 0.01mm and used for comparison. smoothness or roundness measuring
dial indicator
- standard views in european drawings
front. side. and top
- standard views in american drawings
top. left side and rear
- shows the object as if part of it is removed so that the interior shape is seen clearly
sectional view
- drawings used in the design. construction & maintenance of engineering projects
production drawing
- drawings used in the design
construction and maintenance of jigs. tools & checking fixtures
- used in the detailing or fabrication of single parts
detail drawing
- function is to show the relationship of 2 or more parts and subordinate assemblies
assembly drawing
- designed to describe exactly where on the airplane/vehicle. certain parts or assemblies are to be permanently affixed
installation drawings
- parts are expanded outward so that each part can be identified by its physical appearance or name.
exploded view drawing
- used to show every part in the assembly
exploded viewdrawing
- used to illustrate a principle of operation & does
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- Applied at the edges of structural joints to prevent intrusion of moisture/fluids
Fillet seal
- Sealant removal should be made of
Hardwood. Plastic. or metal not harder than aluminum structure
- What to do after lightning strike
Inspect base on ATA 05
- Necessary if damage occured in Phase I inspection
Phase II inspection
- Responsible in airworthiness
Operator
- Basically walk-around inspection
Transit Check
- Provision of general information
Service Letter
- Semi-finished products which are not used until processed
Raw material