Semana de Ortega

Descrição

Quiz sobre Semana de Ortega, criado por diego silva em 03-04-2018.
diego silva
Quiz por diego silva, atualizado more than 1 year ago
diego silva
Criado por diego silva mais de 6 anos atrás
13
0

Resumo de Recurso

Questão 1

Questão
Which is not an anti-ice system?
Responda
  • A. Hot bleed air
  • B. Strong movements of the rudder
  • C. Electrical heating
  • D. Liquid ice protection

Questão 2

Questão
Which are the de-icing types?
Responda
  • A. Evaporative, wets and cyclic
  • B. Movements and heat
  • C. Evaporative and drys
  • D. Only cyclic

Questão 3

Questão
Who is the last responsible for having the wings free of ice?
Responda
  • A. Flight engineer
  • B. Pilot in command
  • C. Air hostesses
  • D. De-icing Ground Crew

Questão 4

Questão
Pneumatic de-icing boots are:
Responda
  • 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

Questão 5

Questão
. Which is the main difference between an anti-ice and a de-ice system?
Responda
  • 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

Questão 6

Questão
Which of this statements about the pitot heat is true?
Responda
  • 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.

Questão 7

Questão
. How many types of de-icing systems exist?
Responda
  • 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.

Questão 8

Questão
.Which of the following is a type of windshield de-icing?
Responda
  • A. Fluid de-icing
  • B. Electrical anti-icing
  • C. Pneumatic System
  • D. All of them are correct

Questão 9

Questão
Advantages of hydraulic system
Responda
  • A. Ability to obtain large forces
  • B. Force amplification
  • C. Accurate control
  • D. All above are right

Questão 10

Questão
Disadvantages of hydraulic system
Responda
  • A. Not useful for small forces
  • B. Temperature range limited
  • C. Expensive components
  • D. All above are right

Questão 11

Questão
Definition of hydraulics
Responda
  • 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.

Questão 12

Questão
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:
Responda
  • A. Newton´s Law
  • B. Pascal´s Law
  • C. Bernouigi´s Law
  • D. Mach´s Law

Questão 13

Questão
The F18´s operating pressure is:
Responda
  • A. 3000 psi
  • B. 4000 psi
  • C. 2000 psi
  • D. 1450 psi

Questão 14

Questão
Which of the following is not a type of pump?
Responda
  • A. Hand pump
  • B. Electrically operated pump
  • C. Engine-driven pump
  • D. Stealth pump

Questão 15

Questão
. Choose the wrong answer: functions of hydraulic accumulators
Responda
  • 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

Questão 16

Questão
RAM Air Turbine
Responda
  • 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

Questão 17

Questão
RAM turbines are:
Responda
  • A. To provide electrical and mechanical power if main sources fail
  • B. Installed inside the engines
  • C. Useless
  • D. A kind of turbine engine

Questão 18

Questão
Seals:
Responda
  • A. Prevent fluid passing a certain point
  • B. Keep air and dirt out of the system
  • C. Both of the above
  • D. None of the above

Questão 19

Questão
Compared to pneumatic systems:
Responda
  • 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

Questão 20

Questão
. Hydraulic fluids can be:
Responda
  • A. Vegetable-Based
  • B. Mineral-based
  • C. Synthetic-based
  • D. All of the above

Questão 21

Questão
Electrically operated pumps operate at a pressure of:
Responda
  • A. 2000 – 4500 psi
  • B. 3050 – 3600 psi
  • C. 1000 – 2850 psi
  • D. 2850 – 3050 psi

Questão 22

Questão
In closed hydraulic systems:
Responda
  • A. The actuation is slow
  • B. The hydraulic pressure is the nominal one (maximum) all the time
  • C. Only one service can be obtained at a time
  • D. All of the above

Questão 23

Questão
RESERVOIRS
Responda
  • A. Compensate leaks
  • B. Act as a thermal regulator
  • C. Are used normally and in emergencies
  • D. All of the above are correct

Questão 24

Questão
About temperature
Responda
  • 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.

Questão 25

Questão
Aircraft surfaces must be designed to suffer in flight aerodynamic degradation due to the ice formation
Responda
  • A. Yes, always.
  • B. Yes, but not during take off.
  • C. No, never.
  • D. Yes, but not during landing.

Questão 26

Questão
Which of the following are windscreen rain removal systems?
Responda
  • A. Curved and rear-sloping windscreen
  • B. Windshield wipers
  • C. Rain repellent: for torrential rain conditions
  • D. All of the above are correct

Questão 27

Questão
Which of the following are types of ice?
Responda
  • A. Clear ice
  • B. Rain ice
  • C. Rime ice
  • D. All of the above are correct

Questão 28

Questão
. A safe flight must take also into account possible weather hazards that might be encountered. These can be of different types:
Responda
  • A. structural (gust, hail impact)
  • B. ice
  • C. lightnings
  • D. All of the above are correct

Questão 29

Questão
. Mixed ice…
Responda
  • 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

Questão 30

Questão
About Rime ice…
Responda
  • 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

Questão 31

Questão
Effects of ice accretion on an aircraft
Responda
  • 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

Questão 32

Questão
About frost/Hoar frost…
Responda
  • 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

Semelhante

Funções administrativas
brunocmt
Combate a incêndio - capítulo quatro - 1
willian reis
Macetes para Fórmulas de Física
Marina Faria
Principais temas para estudar Português
Francine Matos
EMILE DURKHEIM
Débora C. Nascimento
Química Orgânica
Johnny Henrique
Vozes Verbais
Priscila Franco Andrade
Tecido epitelial
Charles Mendes de Oliveira
2a Lei de Mendel
Andrea Barreto M. Da Poça
Lei nº 8.666/1993
Lavs Agah