WorksheetsCHƯƠNG 6. HỆ THỐNG THUỶ LỰC (ATA 29)
Total questions: 47
Worksheet time: 24mins
A. Green hydraulic system
B. Blue hydraulic system
C. Yellow hydraulic system
A. Is lost
B. Can be recovered by the PTU
C. Can be recovered by Deploying the RAT
A. To isolate the hydraulically heavy load users in order to maintain normal supply to essential users
B. To isolate the hydraulically heavy load users in order to maintain normal supply to the primary and secondary flight controls in case of hydraulic pressure decrease
C. To isolate the hydraulically heavy load users in order to maintain normal supply to the landing gear extension system and A/C nose wheel steering
A. The “OFF” indication comes on, the pump stops working
B. The “OFF” indication comes on, the pump stops working, the systems are no longer supplied
C. The pump is depressurized, the system is no longer supplied, but lubrication and cooling of the pump are maintained
A. In stand-by MODE
B. Working continuously
C. Working continuously and there is on transfer of hydraulic fluid from one system to the other
A. RAT is not deployed, because A/C is not supplied
B. RAT is deployed
C. RAT is deployed only if batteries are ON
A. Never.
B. By the gauge on the ground service panel of the yellow system
C. By the DIRECT READING gauge on the reservoir
A. Engine #1 or the bleed air system
B. Engine#2 or the bleed air system
C. The bleed air system
A. Directly out of A/C
B. Into collector tanks
C. Into the engine drain system
A. Enigine driven pump(edp) and an electric pump
B. An electric pump, RAT and the PTU
C. An EDP and the PTU ONLY
A. Power Transfer Unit (PTU)
B. Engine Driven Pump (EDP)
C. Electrical-Pump
A. Operates automatically when one engine is operating
B. Operates automatically when A/C is in flight configuration
C. Manually controlled or automatically operates
A. Individual reservoir depressurization
B. Individual hydraulic system depressurization
C. Depressurization of all reservoirs at the same time
A. Green hydraulic system
B. Blue hydraulic system
C. Yellow hydraulic system
A. Is lost
B. Can be recovered by the PTU
C. Can be recovered by DEPLOYING the RAT
A. 4000 PSI.
B. 3000 PSI.
C. 1000 PSI
A. In stand-by
B. Working continuously
C. Working continuously and there is no transfer of hydraulic fluid from one system to the other
A. The Green hydraulic fluid to flow into the Yellow system
B. The Green and Yellow hydraulic fluid to power both systems
C. The Green system powered by the Yellow system or vice versa, without fluid transfer.
A. The Blue system for emergency use.
B. The Green system for emergency use.
C. The Yellow system for emergency use.
A. The Yellow system for Landing Gear Door manual operation.
B. The Yellow system for Cargo Door manual operation.
C. The Yellow system for PTU operation.
A. The Main Landing Gear(MLG) bay
B. The Nose Landing Gear(NLG)bay
C. The Green hydraulic compartment
A. The Green ground service panel
B. Separated service panel
C. The tail section
A. Downstream of the Engine Driven Pump
B. Upstream of the Engine Driven Pump
C. On the Engine Driven pump
A. The electric pump operates at first engine start.
B. The pump is de-energized.
C. The pump operates in case of both EDP failure
A. Upstream of the primary flight controls.
B. Downstream of the primary flight controls.
C. Downstream of the landing gear system.
A. To provide A/C electrical power in case of emergency.
B. To provide hydraulic power in case of emergency.
C. To provide A/C electrical power and Blue hydraulic power in Emergency.
A. Reservoirs cannot be filled and reservoir quantity cannot be checked
B. Reservoirs can be filled but reservoir quantity cannot be checked
C. Reservoirs can be filled and reservoir quantity can be checked
A. On ECAM and Green service panel.
B. On ECAM and reservoirs.
C. On the ECAM SD HYD page or Hydraulic service Panel or Directly on the Resrviors
A. compressing the air charge in an accumulator.
B. the use of a pressure/heat exchanger.
C. compressing the fluid in a reservoir.
A. Fluid loss.
B. Increase in fluid pressure.
C. Increase in fluid temperature
A. Increase acidity.
B. Increase viscosity.
C. Increase alkalinity.
A. are only ever used in an emergency.
B. store fluid under pressure.
C. provide additional fluid if leaks occur.
A. show pressure and source of hydraulics.
B. show fluid temperature and quantity.
C. illuminate a light in the cockpit when the system is ready
A. 1800 PSI.
B. 3000 PSI.
C. 300 PSI.
A. use any hydraulic fluid.
B. use any hydraulic fluid made by the same manufacturer.
C. use the same/correct hydraulic fluid
A. pump cavitation.
B. reverse flow.
C. overpressure.
A. rapid depressurisation of system.
B. pump cavitation.
C. rapid fluctuations of instruments.
A. minimize the possibility of pump cavitation.
B. absorb pressure surges.
C. relieve excess pressure.
A. accumulator.
B. engine driven pump.
C. selector.
A. landing gear and doors
B. safety switches.
C. brake anti-skid units.
A. direct fluid to the hydraulic actuator.
B. restrict the movement of components.
C. isolate one component from another.
A. is not important.
B. must be minimum working.
C. must be at maximum.
A. provide a reserve of stored energy.
B. maintain a constant fluid level.
C. minimize the possibility of pump cavitation.
A. only the specified fluid.
B. any fluid of the same specific gravity.
C. any hydraulic fluid available.
A. landing gear and auto-brake systems.
B. nose wheel steering.
C. flying controls if hydraulic power lost
A. a tap into a convenient return line.
B. a stack pipe higher than the normal level.
C. the bottom of the reservoir
A. area * volume.
B. area * pressure.
C. pressure * stroke.
