Hydraulics

Question 1

State pascal’s law

Answer 1

Pascal’s law states the pressure exerted anywhere upon an enclosed liquid is transmitted undiminished, in all directions, to the interior of the container.

Question 2

Name the hydraulic fluid and models utilized in the P8-A

Answer 2

BMS 3-11 Type IV Class I Fluid

Question 3

State the three independent hydraulic systems

Answer 3

• A
• B
• Standby

Question 4

What are the sources for power for the main hydraulic systems

Answer 4

• Engine Driven Pump (EDP)

- AC Electric Motor Driven Pump (EMDP)

Question 5

Which systems does the standby hydraulic system supply alternate hydraulic pressure to

Answer 5

• Rudder
• Thrust Reversers
• Leading Edge Flaps and Slats

Question 6

Name all the systems which receive pressurized fluid from the main and auxiliary hydraulic systems

Answer 6

• Both thrust reversers
• Power transfer unit (PTU) motor
• Landing gear extension and retraction
• Nose wheel steering
• Main gear brakes
• Primary flight controls
• Secondary flight controls
• Air to air refueling
• weapons bay doors
• Mechanism, also referred to as Annex B