M6 Part 4
M6 part 4Do not share
- 1.Aircraft engine fuel metering unit uses:
- A.
Tension spring
- B.
Compression spring
- C.
Torsion spring
- 2.What type of corrosion will have on aircraft aluminum structure if there is a spilling of battery acid
- A.
Direct chemical attack
- B.
Intergranular corrosion
- C.
Fretting
- 3.Advanced composite structure repair required curing of resin by
- A.
Heat only
- B.
Pressure only
- C.
Heat and pressure
- 4.Which one of the following materials has the highest tensile strength?
- A.
Glass fibre
- B.
Aramid
- C.
Carbon fibre
- 5.18-8 stainless steel contain
- A.
18% carbon and 8% chromium
- B.
18% titanium and 8% vanadium
- C.
18% chromium and 8% nickel
- 6.A split pin
- A.
Used twice only
- B.
Use once
- C.
Can be re-used if it is serviceable
- 7.Almost all blind rivets installation is by
- A.
Pulling of mandrel through the hole until the shear force is reach
- B.
Using rivet gun and buck head
- C.
Using dolly
- 8.A locking plate
- A.
Can be reuse if serviceable
- B.
Must be discard after used
- C.
Can be used not more than two time
- 9.If two dissimilar materials mate, which one will corrode first?
- A.
Anodic
- B.
Strongest material
- C.
Hardest material
- 10.Which on of the following reduction gear ration will give the maximum RPM of propeller?
- A.
3:2
- B.
16:7
- C.
20:7
- 11.Which of the bearing will give you the largest contact surface area on a shaft with the same diameter?
- A.
Thrust bearing
- B.
Roller bearing
- C.
Plain bearing
- 12.Landing gears wheels use what bearing?
- A.
Roller bearing
- B.
Ball bearing
- C.
Tapered roller bearing
- 13.Undamaged composite material will give a ______ sound when tap check is done
- A.
Hollow thud
- B.
Hollow vibration
- C.
Solid ringing
- 14.When considering an engine value spring, other than a smooth surface finish, what properties does the spring require?
- A.
Torsion strength
- B.
Compression strength
- C.
Fatigue strength
- 15.If a composite damage does not go through the fiber of a fiberglass component,
- A.
Minor damage that must be repaired
- B.
Cosmetic damage and not mandatory to repair
- C.
Major damage
- 16.A test involving a pendulum hitting a notched material,
- A.
Hardness test
- B.
Impact test
- C.
Tension test
- 17.The fuel metering in a fuel control unit uses what spring?
- A.
Compression spring
- B.
Tension spring
- C.
Leaf spring
- 18.Which material will give high strength, low weight and ductility when alloyed?
- A.
Copper
- B.
Magnesium
- C.
Aluminum
- 19.The hole drilled through the center of the turnbuckle is,
- A.
To ensure terminals are safely engaged
- B.
For use of locking clips and lockwire
- C.
To ensure correct alignment of terminal
- 20.The main load curried by a rivet is,
- A.
Shear
- B.
Tensile
- C.
Compressive
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