Hydraulic

Question 1

System pressure

Answer 1

Normal 3000 psi for each system. Green, Yellow and Blue. Each with own resovoir .2500 psi when powered by RAT.

Question 2

Can hydraulic fluid be transfered from one system to another?

Answer 2

No

Question 3

Green system pump

Answer 3

Operated by engine 1

Question 4

Blue system pump

Answer 4

Electric pump pressurizes Blue system. RAT in case of Emergency

Question 5

Yellow system pump

Answer 5

Engine 2 pump. An Electric pump Can also pressurise the Yellow system. Allows hydraulic on Ground. Also hans pump for cargo door when No Electric.

Question 6

PTU

Answer 6

Between green and Yellow system

Question 7

RAT

Answer 7

Drop out turbine coupled to Blue system.
Works if electrics is lost on both engines.
Auto deploy if AC BUS 1 and AC BUS 2 are both lost.
Manual activatiob via pb.
Can only be showed on Ground

Question 8

System accumulator

Answer 8

Help maintain constant pressure during transient demand during normal operation

Question 9

Priority Valves

Answer 9

Cut off hydraulic power to heavy load users if system pressure gets low

Question 10

Fire shut off valves

Answer 10

Each green and Yellow system has a fire shutoff valve upstream of its engine driven pump.
Close by pushing eng 1 or 2 fire pb

Question 11

Leak measurement valve

Answer 11

Located upstream each system of the primary Flight controls.

Operated by leak measurement valves pb sw on maintanance panel.

Question 12

Generation

Answer 12

Question 13

Green system

Answer 13

Question 14

Yellow

Answer 14

Question 15

Blue system

Answer 15

Question 16

Reservoir quantity

Answer 16