Pregunta 1
Pregunta
Which is not an anti-ice system?
Pregunta 2
Pregunta
Which are the de-icing types?
Pregunta 3
Pregunta
Who is the last responsible for having the wings free of ice?
Respuesta
-
A. Flight engineer
-
B. Pilot in command
-
C. Air hostesses
-
D. De-icing Ground Crew
Pregunta 4
Pregunta
Pneumatic de-icing boots are:
Respuesta
-
A. A shaped rubber sleeve that conforms to leading edge which is attached.
-
B. A shaped rubber sleeve that is attached to the leading edge of propellers
-
C. Devices which can optimize aerodynamic efficiency
-
D. Devices which its interior is full of glycol
Pregunta 5
Pregunta
. Which is the main difference between an anti-ice and a de-ice system?
Respuesta
-
A. There is not any difference
-
B. De-ice system does not exist.
-
C. The anti ice system allow ice accretion and when is activated shed the ice or melt the ice, while a de-ice system prevent ice accretion
-
D. The anti-ice prevent ice accretion while the de-ice eliminates the ice
Pregunta 6
Pregunta
Which of this statements about the pitot heat is true?
Respuesta
-
A. The pitot heat is not an esential system in commercial aviation
-
B. The pitot heat prevents and eliminates the ice accretion does not matter the ambiential conditions
-
C. Pitot heat is usually part of the anti-ice system in the aircraft
-
D. Pitot heat usually consists in a electrical resistor.
Pregunta 7
Pregunta
. How many types of de-icing systems exist?
Respuesta
-
A. Three: wets, cyclic and regressive.
-
B. Four: evaporate, cyclic, kinetic and regressive.
-
C. Three: evaporative, wets and cyclic.
-
D. Four: wets, cyclic, kinetic and evaporative.
Pregunta 8
Pregunta
.Which of the following is a type of windshield de-icing?
Pregunta 9
Pregunta
Advantages of hydraulic system
Pregunta 10
Pregunta
Disadvantages of hydraulic system
Pregunta 11
Pregunta
Definition of hydraulics
Respuesta
-
A. Science that studies the equilibrium (Hydrostatic) and dynamics of liquids (Hydrodynamics).
-
B. Science that studies the possibility of using air in systems.
-
C. Science that studies the forces involved when an aircraft flies
-
D. Science that studies how the environment changes when an aircraft flies throughout it.
Pregunta 12
Pregunta
The pressure exerted anywhere in a confined incompressible fluid is transmitted equally in all directions throughout the fluid such that the pressure ratio (initial difference) remains the same. This is the definition of:
Respuesta
-
A. Newton´s Law
-
B. Pascal´s Law
-
C. Bernouigi´s Law
-
D. Mach´s Law
Pregunta 13
Pregunta
The F18´s operating pressure is:
Respuesta
-
A. 3000 psi
-
B. 4000 psi
-
C. 2000 psi
-
D. 1450 psi
Pregunta 14
Pregunta
Which of the following is not a type of pump?
Pregunta 15
Pregunta
. Choose the wrong answer: functions of hydraulic accumulators
Respuesta
-
A. Store energy (high pressure fluid)
-
B. Provide fluid/pressure in case of emergency/failure of pump
-
C. Avoid thermal expansion of the fluid
-
D. Cater for small internal leaks
Pregunta 16
Respuesta
-
A. Is the third turbine you can find in a 727 or DC10
-
B. Add extra propulsion to the plane if the main engines fail
-
C. Provides electrical and mechanical power if main resources fail
-
D. Are specially common in jet fighters and not used in civil airliners
Pregunta 17
Pregunta
RAM turbines are:
Respuesta
-
A. To provide electrical and mechanical power if main sources fail
-
B. Installed inside the engines
-
C. Useless
-
D. A kind of turbine engine
Pregunta 18
Pregunta 19
Pregunta
Compared to pneumatic systems:
Respuesta
-
A. Hydraulic control is easier as there are no compressibility effects.
-
B. Hydraulic systems work continuously, being noisier.
-
C. Compressors are usually more expensive than pumps.
-
D. All of the above
Pregunta 20
Pregunta
. Hydraulic fluids can be:
Respuesta
-
A. Vegetable-Based
-
B. Mineral-based
-
C. Synthetic-based
-
D. All of the above
Pregunta 21
Pregunta
Electrically operated pumps operate at a pressure of:
Respuesta
-
A. 2000 – 4500 psi
-
B. 3050 – 3600 psi
-
C. 1000 – 2850 psi
-
D. 2850 – 3050 psi
Pregunta 22
Pregunta
In closed hydraulic systems:
Pregunta 23
Respuesta
-
A. Compensate leaks
-
B. Act as a thermal regulator
-
C. Are used normally and in emergencies
-
D. All of the above are correct
Pregunta 24
Pregunta
About temperature
Respuesta
-
A. Pneumatics can work at higher temperature.
-
B. Pneumatics can work at lower temperature.
-
C. Hydraulics can work at higher temperature.
-
D. Pneumatics are not affected by temperature.
Pregunta 25
Pregunta
Aircraft surfaces must be designed to suffer in flight aerodynamic degradation due to the ice formation
Respuesta
-
A. Yes, always.
-
B. Yes, but not during take off.
-
C. No, never.
-
D. Yes, but not during landing.
Pregunta 26
Pregunta
Which of the following are windscreen rain removal systems?
Respuesta
-
A. Curved and rear-sloping windscreen
-
B. Windshield wipers
-
C. Rain repellent: for torrential rain conditions
-
D. All of the above are correct
Pregunta 27
Pregunta
Which of the following are types of ice?
Pregunta 28
Pregunta
. A safe flight must take also into account possible weather hazards that might be encountered. These can be of different types:
Pregunta 29
Respuesta
-
A. Is the Combination of glaze and rime ice
-
B. Can not occur today
-
C. Take place in clouds with temperature transitionfrom small to large supercooled water droplets.
-
D. Options A and C are true
Pregunta 30
Respuesta
-
A. It is a Transparent air free sheet
-
B. We can see in flight in dense clouds of small supercooled water droplets
-
C. It has an opaque white structure due to air trapped between droplets
-
D. It has an opaque white structure due to the viscosity of the types of droplets
Pregunta 31
Pregunta
Effects of ice accretion on an aircraft
Respuesta
-
A. Weight increases
-
B. Alteration of airfoil shape
-
C. Loss of control due to freeze in the joints between control surfacesand wings / tailplanes
-
D. All of the above are correct
Pregunta 32
Pregunta
About frost/Hoar frost…
Respuesta
-
A. Ice crystals from sublimation when water vapour freezes
-
B. Ice crystals from condensation when water vapour freezes
-
C. Black crystaline structure
-
D. It does form a heavy blanket but roughens the surface increaseaerodynamic performances