Podcast
Questions and Answers
What are the key elements of APU lubrication and starting systems?
What are the key elements of APU lubrication and starting systems?
- Load Gearbox and Transfer Gearbox
- Transfer Gearbox and Accessory Gearbox
- Load Gearbox and Accessory Gearbox (correct)
- Auxiliary Gearbox and Accessory Gearbox
What drives the two generators and the dedicated oil pump for generator lubrication?
What drives the two generators and the dedicated oil pump for generator lubrication?
- Load Gearbox (correct)
- Accessory Gearbox
- Transfer Gearbox
- Auxiliary Gearbox
What Gearbox is driven by the starter and drives the APU engine oil pumps?
What Gearbox is driven by the starter and drives the APU engine oil pumps?
- Auxiliary Gearbox
- Load Gearbox
- Transfer Gearbox
- Accessory Gearbox (correct)
The APU starting system can be energized by?
The APU starting system can be energized by?
APU emergency shutdown is located at?
APU emergency shutdown is located at?
Controls and monitors APU start, operation and shutdown (normal and emergency
Controls and monitors APU start, operation and shutdown (normal and emergency
What are the two APU oil sub-systems?
What are the two APU oil sub-systems?
Where does the oil store in the APU for the Main Engine Section and Electrical Generation Section?
Where does the oil store in the APU for the Main Engine Section and Electrical Generation Section?
On APU Oil tank, how does the tank filled with oil?
On APU Oil tank, how does the tank filled with oil?
Where can you check the oil level for Generator Section and Main Engine Section?
Where can you check the oil level for Generator Section and Main Engine Section?
An APU overboard drain outlet is installed on what location?
An APU overboard drain outlet is installed on what location?
An APU overboard drain outlet is installed on the R/H APU door. It is connected to the AGB drain and Starter Drain Pad to drain?
An APU overboard drain outlet is installed on the R/H APU door. It is connected to the AGB drain and Starter Drain Pad to drain?
To access APU, APU maintenance access door must be open.
APU maintenance access door latching system has?
To access APU, APU maintenance access door must be open.
APU maintenance access door latching system has?
APU location in Airbus A380?
APU location in Airbus A380?
What protects the air intake against precipitation or against the ingestion of fluids generated on the fuselage?
What protects the air intake against precipitation or against the ingestion of fluids generated on the fuselage?
The APU Air Intake is located on?
The APU Air Intake is located on?
How does the APU compartment ventilated?
How does the APU compartment ventilated?
Releases combustion gases into the atmosphere and suppress APU generated exhaust noise?
Releases combustion gases into the atmosphere and suppress APU generated exhaust noise?
The APU has 4 attachment points connected to how many airframe mounts?
The APU has 4 attachment points connected to how many airframe mounts?
Supplies sufficient ambient air to the APU air plenum chamber during ground or flight conditions, and its design maintains a low noise level with optimum aerodynamic flow?
Supplies sufficient ambient air to the APU air plenum chamber during ground or flight conditions, and its design maintains a low noise level with optimum aerodynamic flow?
Air Intake Flap is controlled by?
Air Intake Flap is controlled by?
Reduces the possibility of foreign object ingestion and prevent against ingestion of fluids and of hot APU gases into Air Intake?
Reduces the possibility of foreign object ingestion and prevent against ingestion of fluids and of hot APU gases into Air Intake?
APU and GEN oil system are?
APU and GEN oil system are?
When does oil cooling took place?
When does oil cooling took place?
Where does the Main (APU) OIL PUMP installed?
Where does the Main (APU) OIL PUMP installed?
The Generator OIL PUMP is installed in?
The Generator OIL PUMP is installed in?
How many Scavenge Pump are there in Accessory Gear Box?
How many Scavenge Pump are there in Accessory Gear Box?
How many Generators Scavenge Pump are there in Load Gearbox?
How many Generators Scavenge Pump are there in Load Gearbox?
Installed just downstream of each oil pressure pump. The valves are used as a safeguard against excessive pressure build-up during cold weather operation.
The valves open and divert oil to the pump inlet if the oil pressures exceed pre-set values.
Installed just downstream of each oil pressure pump. The valves are used as a safeguard against excessive pressure build-up during cold weather operation. The valves open and divert oil to the pump inlet if the oil pressures exceed pre-set values.
What cools the oil in APU and Generator Oil system?
What cools the oil in APU and Generator Oil system?
Valve in each system which lets cold oil bypass the cooler and flow directly to the filter.
Valve in each system which lets cold oil bypass the cooler and flow directly to the filter.
Which component is responsible for preventing the oil in the cooler assembly from draining back to the tank at APU shut down?
Which component is responsible for preventing the oil in the cooler assembly from draining back to the tank at APU shut down?
What is the purpose of the drain valve in each core of the pipe-fittings?
What is the purpose of the drain valve in each core of the pipe-fittings?
Why are drain valves installed in each core of the pipe-fittings?
Why are drain valves installed in each core of the pipe-fittings?
What prevents oil loss when you replace Main (APU) Oil Filter?
What prevents oil loss when you replace Main (APU) Oil Filter?
What prevents oil loss when you replace Generator Oil Filter?
What prevents oil loss when you replace Generator Oil Filter?
Maintains constant oil system pressure and opens at pre-set oil pressure values and bypass oil to the pressure pumps.
Maintains constant oil system pressure and opens at pre-set oil pressure values and bypass oil to the pressure pumps.
Sensors that measure oil pressure upstream and
downstream of the oil filters.
Sensors that measure oil pressure upstream and downstream of the oil filters.
Dual Oil Pressure Sensors inputs are used by the ECB to monitor system oil pressure and identify an impending filter bypass.
The downstream channel is used for?
Dual Oil Pressure Sensors inputs are used by the ECB to monitor system oil pressure and identify an impending filter bypass. The downstream channel is used for?
Dual Oil Pressure Sensors inputs are used by the ECB to monitor system oil pressure and identify an impending filter bypass.
The Upstream channel is used for?
Dual Oil Pressure Sensors inputs are used by the ECB to monitor system oil pressure and identify an impending filter bypass. The Upstream channel is used for?
Where does Oil Temperature Sensor installed?
Where does Oil Temperature Sensor installed?
How many electrical chip detectors are installed in each Oil System?
How many electrical chip detectors are installed in each Oil System?
What pumps the oil from the load gearbox sump including bearing no. 0 to the Main (APU) OIL tank compartment?
What pumps the oil from the load gearbox sump including bearing no. 0 to the Main (APU) OIL tank compartment?
What pumps oil from bearing No.4 to Accessory Gearbox Cavity?
What pumps oil from bearing No.4 to Accessory Gearbox Cavity?
Scavenged oil from Bearings No.1 & 2 and Bearing No.3 flows to AGB cavity by means of?
Scavenged oil from Bearings No.1 & 2 and Bearing No.3 flows to AGB cavity by means of?
What pumps oil from AGB cavity back to Main (APU) OIL Tank?
What pumps oil from AGB cavity back to Main (APU) OIL Tank?
What pumps oil from Generators back to Generators Oil Tank?
What pumps oil from Generators back to Generators Oil Tank?
