Exam Questions Flashcards
Which direction do floor beams lay?
Along the fuselage length
What happens to the horizontal stabiliser if the aircraft’s centre of gravity moves forward?
The leading edge of the stab moves down
In regards to air-con, what is the pressure regulator known as?
Bleed valve
In regards to air-con, what regulates the pressurisation of the cabin?
Outflow valve
What is the level of advisory I.A.W instrument systems?
Level C/1
What frequency is the right lobe I.A.W avionics systems
150Hz
What frequency is the upper lobe I.A.W avionics systems?
90Hz
What is the angle of the white lights I.A.W 11.14?
70
What does mode S on the transponder do?
The transponder can be activated selectively, can transmit address and identification
What does mode A on a transponder do?
Can only transmit identification codes
What is the main function of a Stabilator?
Eliminate Mach tuck caused by a shock wave formation
What is the purpose of vortex generators?
They provide the boundary layer with additional energy to prevent flow separation
What is the effect of pulling the control column rearwards?
Elevators deflect upward, aircraft nose up
How do the ailerons respond if the pilot rolls the aircraft to the left?
The aileron on the left wing moves up and the aileron on the right wing moves down
How does the area rule affect an aircraft’s transonic flight performance?
It reduces wave drag
What are the 2 types of shock waves that are formed in supersonic flight?
Normal and Oblique
What happens to air temperature behind a shock wave?
The temperature rises
If one aircraft structural component fails, another component will assume the failed member, what is this called?
Fail safe
A structure in which multiple attachment points share the load instead of one attachment point is an example of?
Fatigue sharing
The rear pressure bulkhead would separate which zones?
200-300
What load is carried by longerons?
Primary bending loads
What are the 2 main types of construction of a fuselage structure on modern aircraft?
Monocoque and semi-monocoque construction
What are the 3 main areas of the wing structure?
Centre, left and right wing boxes
What creates a smooth joint between fin and fuselage?
Dorsal fin
What is the rudder attached to?
Rear of vertical fin
When measuring the deflection angle of the elevator, and before the elevator can be in zero position, what is the position of the moveable stabiliser?
The moveable stabiliser must be in the moveable position
Following repairs to the flight control surface, adjustments would need to be made to achieve what?
Static balancing
What is the purpose of a pylon?
To attach the engine to the airframe/wing
How many attachment points does the pylon have to the wing?
3
Which supply sources are used to supply the AC system?
APU, Engines and Ground powered air supply
What is the role of the pneumatic controller?
Monitor pressure and temperature, to register leaks and to monitor the operation of the pneumatic components
How does a vapour-cycle machine cool the pneumatic flow?
A special cooling fluid is compressed and expanded in a closed circuit