92.Semana de Ortega

Ismael Vázquez
Quiz by Ismael Vázquez, updated more than 1 year ago More Less
diego silva
Created by diego silva over 3 years ago
Ismael Vázquez
Copied by Ismael Vázquez over 3 years ago
93
4

Description

AVIÓNICA Quiz on 92.Semana de Ortega, created by Ismael Vázquez on 04/04/2018.

Resource summary

Question 1

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

Question 2

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

Question 3

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

Question 4

Question
Pneumatic de-icing boots are:
Answer
  • 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

Question 5

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

Question 6

Question
Which of this statements about the pitot heat is true?
Answer
  • 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.

Question 7

Question
. How many types of de-icing systems exist?
Answer
  • 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.

Question 8

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

Question 9

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

Question 10

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

Question 11

Question
Definition of hydraulics
Answer
  • 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.

Question 12

Question
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:
Answer
  • A. Newton´s Law
  • B. Pascal´s Law
  • C. Bernouigi´s Law
  • D. Mach´s Law

Question 13

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

Question 14

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

Question 15

Question
. Choose the wrong answer: functions of hydraulic accumulators
Answer
  • 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

Question 16

Question
RAM Air Turbine
Answer
  • 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

Question 17

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

Question 18

Question
Seals:
Answer
  • 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

Question 19

Question
Compared to pneumatic systems:
Answer
  • 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

Question 20

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

Question 21

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

Question 22

Question
In closed hydraulic systems:
Answer
  • 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

Question 23

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

Question 24

Question
About temperature
Answer
  • 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.

Question 25

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

Question 26

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

Question 27

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

Question 28

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

Question 29

Question
. Mixed ice…
Answer
  • 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

Question 30

Question
About Rime ice…
Answer
  • 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

Question 31

Question
Effects of ice accretion on an aircraft
Answer
  • 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

Question 32

Question
About frost/Hoar frost…
Answer
  • 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
Show full summary Hide full summary

Similar

Prueba de lectura
Deisy Medina
Prueba Matematicas
Deisy Medina
Investigación
silvanoperazaiti
VENTAJAS Y DESVENTAJAS DE UNA BASE DE DATOS RELACIONAL
Patricia Cualchi
PRINCIPIOS ETICOS UNIVERSALES
andonyjosi20