AGK Systems Flashcards
1
Q
A basic hydraulic system contains
A
A piston
Source of powe
Hydraulic lines
Hydraulic reservoir
2
Q
Active hydraulic system
A
Uses pumps
3
Q
Passive hydraulic system
A
Uses human effort
4
Q
Selector vales
A
Direct fluid to either side of an actuator
5
Q
Constant pressure pump
A
Uses swash plate
6
Q
Spur gear pump
A
Pressure depends on RPM
7
Q
Relief valve
A
Vents excess pressure
8
Q
Restrictor valve
A
Restricts
eg in gear up line
9
Q
Priority valve
A
Maintains pressure to one part of the system
10
Q
Shuttle valve
A
Always supplies from the highest power source
11
Q
Fuses
A
Automatically cut off
12
Q
Drag strut
A
For and aft movement
13
Q
Side stay
A
Side loads
14
Q
Red light on gear indicates
A
Unlocked or travelling
15
Q
Open and closed centre hydraulic system
A
Open centre only when hydraulic power in needed
Closed centre always powered eg large aircraft
