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Variable ValueMass 500,000 kg Wing Area 845 m2 Wingspan 79.75 m Number of Engines 4 CLmax flaps retracted 1.9 CLmax flaps
1. 1 answer
2. 99 views
For the Airbus A380, the largest passenger aircraft ever built, you are given the following parameters:Variable Value Mass
1. 1 answer
2. 87 views
For the Airbus A380, the largest passenger aircraft ever built, you are given the following parameters:Variable Value Mass
1. 1 answer
2. 80 views
The airplane is being controlled by autopilot. The pilot would like to change the heading setting of the autopilot of A380.
1. 1 answer
2. 71 views
The airplane is being controlled by autopilot. The pilot would like to change the heading setting of the autopilot of A280.
1. 1 answer
2. 77 views
E)In reality a slightly larger tail surface area is chosen than the one computed in the previous ques-tion. What is/are the
1. 1 answer
2. 63 views
Number of engines: 2Wing surface: s=88.3 m^2 Diameter of engine inlet: d=1.1180 m Oswald efficiency: e=0.67 Span: b= 23.7m Mass:
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2. 71 views
When we compare three different materials (a steel alloy, an aluminium alloy and a composite material), what is the worst option
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2. 80 views
When we compare three different materials (a steel alloy, an aluminium alloy and a composite material), what is the worst option
1. 1 answer
2. 78 views
Positioning yarns or rovings around a cylindrical mandrel" is called
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2. 57 views
"The assembly of multiple components" is called:
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2. 61 views
The production process for metals in their liquid state" is called:
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2. 39 views
An aircraft with a wing area of 29 m flies with a velocity of 300 km/h, at an altitude where the air density is 0.92 kg/m^3. Its
1. 1 answer
2. 86 views
An aircraft with a wing area of 29 m flies with a velocity of 300 km/h, at an altitude where the air density is 0.92 kg/m^3. Its
1. 1 answer
2. 115 views
What measure(s) can be taken to reduce the drag at transonic and supersonic air speeds? Reduce the tip chord of the wing,
1. 1 answer
2. 98 views
What measure(s) can be taken to reduce the drag at transonic and supersonic air speeds? Reduce the tip chord of the wing,
1. 1 answer
2. 94 views
For an anisotropic material the material properties depend on the
1. 1 answer
2. 57 views
Which one of the following statements about “composites” is true? Typical examples of composites are Fibre Reinforced
1. 1 answer
2. 79 views
Which one of the following statements about “composites” is true? Typical examples of composites are Fibre Reinforced
1. 1 answer
2. 103 views
Which one of the following statements about “beams” is false?Most structural elements of a wing, like spars, ribs and
1. 1 answer
2. 71 views
What is a lift-drag polar? The curve showing the lift coefficient as function of the drag coefficient. The curve that indicates
1. 1 answer
2. 102 views
You are given four statements about the NACA airfoil with code “XYZZ”:The X stands for the camber as percentage of the wing
1. 1 answer
2. 72 views
You are given four statements about the NACA airfoil with code “XYZZ”:The X stands for the camber as percentage of the wing
1. 1 answer
2. 73 views
The Wright Brothers are remembered for their first flight. They were first with:A controlled flight with a heavier than air
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2. 69 views
The value of cybersecurity :What cybersecurity problems are you solving? How are you protecting your organization? How are you
1. 1 answer
2. 116 views
What type(s) of stability does a hovering Harrier jetpossess? Which is/are right: Positive static stability, Neutral static
1. 1 answer
2. 76 views
What type(s) of stability does a hovering Harrier jet (shown below) possess? Which is/are right: Positive static stability,
1. 1 answer
2. 81 views
The main rotor of a helicopter produces a torque of 4.8 kNm. If the tail rotor is capable of producing 720 Newtons of thrust,
1. 1 answer
2. 84 views
What is/are the functions of the swashplate? which is/are right below:It acts as a transmission between the shaft and the
1. 1 answer
2. 80 views
What do we call the manoeuvre which is to be performed after a helicopter engine failure?
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2. 76 views
Why are helicopters so hard to fly? Which is right :There are more controls than in an aircraft, Helicopters are inherently
1. 1 answer
2. 90 views
UserWhy are the engines of all Russian sea planes so high up? To ensure stability whilst flying so low over water, To prevent
1. 1 answer
2. 70 views
What function(s) were the Russian ground effect planes meant to carry out:Be invisible to radar and sonar, Transport military
1. 1 answer
2. 75 views
Suppose an airliner is planning to fly an Airbus A319 very low over a water surface, thereby increasing its lift coefficient by
1. 1 answer
2. 103 views
What is/are the main and unique challenges for materials to be used in space? The materials need to withstand radiation, The
1. 1 answer
2. 136 views
At some point on its trip a Concorde aircraft flies 520 m/s at an altitude where the temperature is -56 degree C. Determine the
1. 1 answer
2. 98 views
On a RADAR screen an operator spots some kind of aircraft, flying 1200 feet per second at an altitude of 14 kilometres. What
1. 1 answer
2. 109 views
There has been an X-plane intended to investigate steering by thrust vectoring. Which number did it have?The X-21, The X-27, The
1. 1 answer
2. 83 views
In the previous clips the ETOPS rules were shortly discussed, which prohibit aircraft with only two engines from making certain
1. 1 answer
2. 111 views
In the previous clips the ETOPS rules were shortly discussed, which prohibit aircraft with only two engines from making certain
1. 1 answer
2. 90 views
It was already determined that the jet velocity of this engine is 376 metres per second. Suppose that this Boeing 777 flies at
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2. 82 views
It was already determined that the jet velocity of this engine is 376 metres per second. Suppose that this Boeing 777 flies at
1. 1 answer
2. 103 views
It was already determined that the jet velocity of this engine is 376 metres per second. Suppose that this Boeing 777 flies at
1. 1 answer
2. 110 views
In an earlier problem we considered the GE90 engine, one of the world's most powerful engines.It was already determined that the
1. 1 answer
2. 116 views
What is a typical value for the bypass ratio of the most modern engines?
1. 1 answer
2. 65 views
Why are modern jet engines so big?To increase their jet efficiency To increase the ratio air/fuel To make them more powerful To
1. 1 answer
2. 82 views
A twin-engined propeller aircraft is equipped with two engines, each rated at 98 kW shaft power. During cruise flight at 72 m/s
1. 1 answer
2. 96 views
A twin-engined propeller aircraft is equipped with two engines, each rated at 98 kW shaft power. During cruise flight at 72 m/s
1. 1 answer
2. 115 views
From the manufacturer the following data can be obtained:Engine Power = 1200 hp Propeller Diameter=2.67m Propeller RPM=1700
1. 1 answer
2. 152 views
The tip of a 2.5m diameter propeller turns with a Mach number of M = 0.8 at sea level, under ISA conditions. Determine the
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2. 87 views
The tip of a 2.5m diameter propeller turns with a Mach number of M = 0.8 at sea level, under ISA conditions. Determine the
1. 1 answer
2. 79 views
Again consider the combustion cycle shown in the previous problem. What is the net work done (in Joule) by this cylinder during
1. 1 answer
2. 78 views
Which of the following is/are not (an) option(s) to let a combustion engine deliver more net work? (Multiple correct an 1.Expand
1. 1 answer
2. 113 views
Which of the following is/are not (an) option(s) to let a combustion engine deliver more net work? (Multiple correct answers
1. 1 answer
2. 61 views
A general aviation aircraft (m = 1200 kg) flies (under ISA conditions) at 850 metres altitude, with a constant velocity (true
1. 1 answer
2. 84 views
A propeller engine for a model airplane is measured to have a jet velocity of 50 kilometres per hour. When strapped to a fixed
1. 1 answer
2. 138 views
What was the main reason why propulsion formed a hurdle initially in the quest to be able to fly? Around the year 1900:
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2. 168 views
What is/are the properties of the Dutch roll regarding aircraft. it is statically stable or dynamically stable or unstable or
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2. 95 views
What is/are the properties of the Dutch roll regarding aircraft ?
1. 1 answer
2. 62 views
In the picture below you see a King Air 200, an aircraft with a so-called T-tail. One of the primary reasons of placing the tail
1. 1 answer
2. 108 views
In the picture below you see a King Air 200, an aircraft with a so-called T-tail. One of the primary reasons of placing the tail
1. 1 answer
2. 113 views
what is l_h meaning aerospace engineering
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2. 63 views
For this aircraft, you are given the following parameters: l(wing)=34.9m, l(tail)-67.8m, S=437 m^2, S_H=93 m^2, C_=8.25m,
1. 1 answer
2. 109 views
For this aircraft, you are given the following parameters:l(wing)=34.9m, l(tail)-67.8m, S=437 m^2, S_H=93 m^2, C_=8.25m,
1. 1 answer
2. 87 views
For this aircraft, you are given the following parameters:Furthermore we will assume that the downwash angle is equal to 10% of
1. 1 answer
2. 70 views
Below you see a figure of a flying wing, so an aircraft without a tail. Its centre of gravity is situated behind the aerodynamic
1. 1 answer
2. 92 views
Longitudinal static stability means that an aircraft
1. 1 answer
2. 83 views
In a car, you basically have two controls in the forward direction: the throttle and the brake pedal. Consider this type of
1. 1 answer
2. 83 views
Consider a statically stable aircraft in the yaw direction. What direction will the aircraft straight away yaw to after the
1. 5 answers
2. 99 views
Below you see a picture of a mass m attached to a spring.By what kind of stability is this system characterised?
1. 3 answers
2. 65 views
As an aircraft flies across the globe, it must continuously pitch (with respect to an inertial frame of reference) to keep
1. 3 answers
2. 86 views
how we understand that yaw angle will be positive or negative the aircraft get?
1. 1 answer
2. 85 views
Suppose the pilot of a conventional aircraft decides to increase the thrust of this aircraft, but wants to keep the pitch angle
1. 7 answers
2. 153 views
Modern aircraft usually have two sets of ailerons: one 'inboard aileron' (close to the fuselage) and one 'outboard aileron'
1. 3 answers
2. 106 views
Early aircraft used wing warping to bank, modern aircraft use ailerons. Why don't modern aircraft use wing warping?
1. 3 answers
2. 74 views
An Airbus A380 is flying in steady, horizontal flight at Flight Level 280.The pilot reads an Indicated Airspeed (IAS) of 290.0
1. 1 answer
2. 146 views
A futuristic Aircraft manufacturer has come up with the idea to build a supersonic passenger jet, which is supposed to perform
1. 7 answers
2. 136 views
A futuristic Aircraft manufacturer has come up with the idea to build a supersonic passenger jet, which is supposed to perform
1. 1 answer
2. 86 views
What will your main argument of why a square fuselage is not a good idea be?
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2. 64 views
A young engineer has come up with a 'brilliant idea': an aircraft with a square fuselage for more space. Since all aircraft have
1. 3 answers
2. 81 views
A modern jet flies at an altitude of 6,200 metres, during its climb to cruise altitude. For additional passenger comfort, the
1. 1 answer
2. 99 views
An aircraft component has an ultimate load of 5.28 kN and a limit load of 1.32 kN. What is its safety factor?Based on this
1. 3 answers
2. 91 views
An aircraft component has an ultimate load of 5.28 kN and a limit load of 1.32 kN. What is its safety factor?
1. 2 answers
2. 72 views
Some aircraft are capable of flying upside down. Suppose that an aircraft cruises upside down, then what it its load factor?
1. 5 answers
2. 76 views
What will have been the design philosophy behind the vertical columns of the Millau bridge?
1. 1 answer
2. 60 views
Between 1903 and 1940, a significant change has taken place on the skin of aircraft wings and fuselages. What change is this?
1. 1 answer
2. 59 views
The course of an aircraft with respect to the true North is 120, its course with respect to the magnetic North is 122. Determine
1. 1 answer
2. 67 views
The course of an aircraft with respect to the true North is 120 degree, its course with respect to the magnetic North is 122
1. 1 answer
2. 53 views
If the ground beneath the aircraft is situated 6,000 ft above sea level, what is the height of the aircraft in feet?
1. 7 answers
2. 85 views
An aircraft flies at an altitude of 32,000 ft. Determine its altitude in metres.
1. 1 answer
2. 90 views

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