Questão 1
Responda
-
Full authority digital engine control
-
Full authority duplex engine control
-
Forward authority duplex control
-
None of the above
Questão 2
Questão
Regarding gearboxes and drives, which of the following ones is not one of them?
Responda
-
Internal gearbox
-
Intermediate gearbox
-
Main gearbox
-
Radial driveshaft
Questão 3
Questão
Lubrication system functions, which of the following ones is not true?
Responda
-
Provide cooling for the bearings
-
Protect the lubricated components
-
Maintain it´s properties under extremely cold temperatures
-
Collect foreign matter
Questão 4
Questão
In the oil system, it´s basic components are:
Responda
-
A. Oil tank, oil pumps
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B. Heat exchanger, magnetic chip detector
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C. A, B and air separator
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D. C but without magnetic chip detector
Questão 5
Questão
Regarding air starting system
Responda
-
It is not used in commercial aviation anymore
-
It is high-tech and thus very expensive
-
The starter motor contains a turbine
-
All engines use a starter motor, but they can use another starting system if the pilot in command decides so
Questão 6
Responda
-
Low energy ignition is used for starting all jets
-
Hig energy ignition is used for starting all jets
-
Low energy ignition is used in planes with MTOW<5700 kg and high energy ignition is used in heavier planes
-
Low energy ignition is used in planes commercial and high energy ignition is used in fighter planes
Questão 7
Questão
Regarding the ice protection system, mark out the incorrect one
Responda
-
Must avoid air restrictions due to ice
-
Turbojet engines use hot air supply
-
There is also a electrical power system
-
It can never happen a combination of them because of the amount of energy required to maintain them while flying
Questão 8
Questão
Fire protection systems
Responda
-
Never use external air cooling because the oxygen in the air could rekindle the fire
-
Use fire resistant materials in structural elements but not on pipes
-
Locate the fuel pipes in cold zones separated by fireproof bulkheads
-
Locate the fuel pipes in hot zones and protect them with fireproof bulkhead
Questão 9
Questão
Q1. Choose the correct answer:
Responda
-
A. Aviation fuels are obtain by fractional distillation of crude oil
-
B. Aviation fuels are obtain by solidification of crude oil
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C. Aviation gasoline and kerosene are light distillates
-
D. A and C are correct
Questão 10
Questão
Q2. Detonation can be caused by:
Responda
-
A. An incorrect mixture strength
-
B. An incorrect fuel grade
-
C. A combination of high pressure and temperature
-
D. All are correct
Questão 11
Questão
Q3. Aviation Gasoline can be classified in:
Responda
-
A. Grade 80 (red)
-
B. Grade 90 (green)
-
C. Grade 100 ZZ (blue)
-
D. A and B are correct
Questão 12
Questão
Q4. Related to rich mixtures, choose the incorrect answer:
Responda
-
A. From 18:1 to 15:1
-
B. Leads to an incomplete combustion due to the fuel excess
-
C. Used for high power or low power (idle) settings
-
D. Fuel excess acts as a coolant
Questão 13
Questão
Q5. Related to lean mixtures, choose the correct answer:
Responda
-
A. From 18:1 to 15:1
-
B. Leads to an incomplete combustion due to the fuel excess
-
C. Used for high power or low power (idle) settings
-
D. Fuel excess acts as a coolant
Questão 14
Questão
Q6. Related to the mixture ratio, chemically correct or Stoichiometric ratio is:
Questão 15
Questão
Q7. The main properties of gas turbine fuels are:
Responda
-
A. Thermal instability, low freezing point, low sulfur content
-
B. Thermal stability, high freezing point, low sulfur content
-
C. Thermal stability, low freezing point, high sulfur content
-
D. Thermal stability, low freezing point, low sulfur content
Questão 16
Questão
Q8. The most used gas turbine fuel is:
Questão 17
Questão
Q1. Components of the oil system:
Responda
-
A. Magnetic chip detector A,D,B,A,B,D,B,C
-
B. Squeeze film bearing
-
C. Air separator
-
D. All above and filters and strainers
Questão 18
Questão
Q2. Types of ignition units:
Questão 19
Questão
Q3. Igniter plugs:
Responda
-
A. Air gap type
-
B. Surface discharge
-
C. Both are right
-
D. All are wrong
Questão 20
Questão
Q4. How can we detect the particles in the lubrication system?
Questão 21
Questão
Q5. Which are the factors to select an engine for a combat aircraft:
Responda
-
A. Flight speed, agility, flight envelope, STOL, VTOL,...
-
B. Number of air intakes, flight envelope, agility
-
C. Wing and tail type, agility, flight speed
-
D. B and C are correct
Questão 22
Questão
Q6. A way of avoiding contrail concentration is:
Questão 23
Questão
Q7. The highest concentration of CO2 due to aircraft is located:
Responda
-
A. Near the equator at 2000ft
-
B. Between Paralels 30 and 60 (N) in the tropopause
-
C. Between Paralels 30 and 60 (S) in the tropopause
-
D. Over Australia
Questão 24
Questão
Q8. Emissions because of aircraft and its engines contribute
Responda
-
A. 2-3% of the CO2 global production
-
B. 10% of the global production
-
C. Less than 0,1%
-
D. Emissions in aircraft are only N2 and H2O
Questão 25
Questão
Q9. Lobe type nozzles are designed to:
Responda
-
A. Improve the asthetics of the engine
-
B. Reduce the noise level
-
C. Control the flow of air to increase the thrust
-
D. The main objective is to avoid possible strike damages
Questão 26
Questão
Q10. Acoustic Absorbent sheets in engines:
Questão 27
Questão
Q11. Throughout history the noise level has:
Questão 28
Questão
Q12. Choose the correct option:
Responda
-
If combat regime is used for long times pc is lighter option (interdiction) but if combat regime si used for short times no pc is the best option (future)
-
If combat regime si used for short or long times pc is lighter option always.
-
If combat regime is used for short times pc is lighter option (interdiction) but if combat regime si used for long times no pc is the best option (future)
-
None of them is correct