Podcast
Questions and Answers
The primary reason for venting an engine oil tank is to:
The primary reason for venting an engine oil tank is to:
An accumulator in a hydraulic system will:
An accumulator in a hydraulic system will:
The so-called 'hot buses' or 'direct buses' are:
The so-called 'hot buses' or 'direct buses' are:
Which part of the fuselage carries loads imposed by pressurization?
Which part of the fuselage carries loads imposed by pressurization?
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The Ram Air Turbine (RAT) provides emergency hydraulic power for:
The Ram Air Turbine (RAT) provides emergency hydraulic power for:
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Hydraulic fluid in the reservoir is pressurized to:
Hydraulic fluid in the reservoir is pressurized to:
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On most transport aircraft, flight deck windows are protected against icing by:
On most transport aircraft, flight deck windows are protected against icing by:
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The APU of a large passenger jet airliner has its own AC generator that:
The APU of a large passenger jet airliner has its own AC generator that:
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Modern pressurized transport aeroplanes are equipped with:
Modern pressurized transport aeroplanes are equipped with:
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The wing anti-ice system protects the:
The wing anti-ice system protects the:
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The fan of a turbo-fan engine is driven by:
The fan of a turbo-fan engine is driven by:
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For a given type of oil, the viscosity depends on the:
For a given type of oil, the viscosity depends on the:
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Which of these statements is correct about a flight crew oxygen mask?
Which of these statements is correct about a flight crew oxygen mask?
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Study Notes
Engine Oil Tank
- The main purpose of venting an engine oil tank is to prevent excessive pressure buildup. This is important to avoid potential damage or leaks.
Hydraulic Accumulators
- Hydraulic accumulators are used to store pressurized hydraulic fluid.
- They help to reduce pressure surges and maintain pressure in the system.
Hot Buses or Direct Buses
- Hot buses, also known as direct buses, are battery-operated electrical systems.
- They serve as backup power sources and automatically connect to the battery if the generators fail.
Fuselage Pressurisation
- The fuselage spars are the primary structural components responsible for carrying the loads imposed by pressurization.
RAM Air Turbine (RAT)
- The RAT provides emergency hydraulic power for the flight controls in the event of a loss of engine-driven hydraulic power.
Hydraulic Fluid Reservoirs
- The hydraulic fluid in the reservoir is pressurised to prevent cavitation in the pump. Cavitation is the formation of vapor bubbles in the fluid, which can damage the pump.
Flight Deck Windows
- Flight deck windows are protected against icing by electric heating.
APU
- The APU (Auxiliary Power Unit) generates 115V, 400Hz three-phase AC power.
- This power is used to provide essential services like lighting, air conditioning, and auxiliary systems.
Oxygen Systems
- Modern aircraft use two independent oxygen systems.
- One system supplies the cockpit, while the other supplies the cabin.
Wing Anti-Ice Systems
- The wing anti-ice system protects the leading edge and slats of the wing, both partially or completely.
Turbo-Fan Engine
- The fan of a turbo-fan engine is driven by the low-pressure turbine (LPT).
Oil Viscosity
- The viscosity of oil is dependent on its temperature. Higher temperatures reduce viscosity, making the oil thinner.
Flight Crew Oxygen Mask
- In the "EMERGENCY" position, the oxygen mask supplies oxygen at 100% with overpressure.
- The overpressure helps ensure adequate oxygen delivery even at high altitudes.
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Description
Test your knowledge on key aerospace engineering systems, including engine oil tanks, hydraulic accumulators, and emergency power systems. Understand the concepts of pressure management and structural integrity in aircraft. This quiz covers essential topics for aerospace engineering students.
