ATA 29 Quiz

What are the manual depressurization valves provided for? (level 1)

• Depressurization of related hydraulic circuit

• Hydraulic system depressurization

• None of above

Fire shut-off valve are installed for: (level 1)

• Blue system and Green system.

• Yellow system and Blue system.

• Green system and Yellow system.

What is the nominal system pressure?

• 1000 PSI

• 2000 PSI

• 3000 PSI

When you push the fire panels: (level 1)

• The green fire valve closes.

• The green fire valve and the yellow fire valve closes.

• The green fire valve, the yellow fire valve and blue fire valve closes.

If there is no electrical power available: (level 1)

• the fluid level can be checked by push BAT ON.

• the fluid level can be checked on the reservoir itself.

• the fluid level can't be checked.

Each hyd. Fluid's ' OVHT ' status is monitored by sensor installed in:

• Suction line

• High pressure line

• Return line

When the PTU operation is inhibited? (level 2)

• In case of cargo door operations with the yellow electric pump or first engine start.

• Only if an engine failure has been detected.

• Never, it cannot be inhibited.

With the BLUE ELEC PUMP pushbutton set to AUTO

• The electric pump operates at first engine start.

• The pump is de-energized.

• The pump operates in case of both EDP failure.

The EDP in the de-pressurized mode:

• Does not operate

• Still operates and supplies reduced pressure to the system

• Still operates and does not supply pressure to the system

To which system(s) will the Ram Air Turbine provide hydraulic power?

• The blue system

• The yellow system

• The green and yellow systems