Answer Happy

MCQ Aircraft Landing Gear Components & Hydraulic
System.
1.Downlock mechanism is provided by?
a. Hydraulic pressure, spring, over center lock and additional
safety ground pin
b.Spring, over center lock and additional safety ground pin
c.Spring, over center lock and additional safety ground pin
d.PSEU and WOW
2. During which sequence that hydraulic pressure is
active for the purpose of landing gear retraction and extension
operation?
a.Transit and downlock
b.Transit just before donwlock and uplock
c.Transit and uplock
3.A leaking actuator can be trace from the defect of the
ring such as o ring and u ring, taken into consideration of "years
in service" what would be the issue?
a.Human error
b.Oversize ring
c.Aging
4.Downlock mechanism for the aircraft landing gear
consist of which component?
a.Upper drag brace, lower drag brace, jury strut and downlock
pin
b.Upper drag brace, lower drag brace, dual spring, jury strut
and downlock pin
c.Upper drag brace, lower drag brace, dual spring and jury
strut
5.Due to the type of material trunnion were made of the
most suitable NDT would be? (Material : Titanium,Stainless
Steel,SAE Chrome Moly,CRFP)
a.Only FPT applicable
b.ET , UT and FPT
c.Thermography and acoustic