Quiz
98. SEMANAS 2018.
Questions in this quiz (28)
1FADEC means:
- AFull authority digital engine control
- BFull authority duplex engine control
- CForward authority duplex control
- DNone of the above
2Regarding gearboxes and drives, which of the following ones is not one of them?
- AInternal gearbox
- BIntermediate gearbox
- CMain gearbox
- DRadial driveshaft
3Lubrication system functions, which of the following ones is not true?
- AProvide cooling for the bearings
- BProtect the lubricated components
- CMaintain it´s properties under extremely cold temperatures
- DCollect foreign matter
4In the oil system, it´s basic components are:
- AA. Oil tank, oil pumps
- BB. Heat exchanger, magnetic chip detector
- CC. A, B and air separator
- DD. C but without magnetic chip detector
5Regarding air starting system
- AIt is not used in commercial aviation anymore
- BIt is high-tech and thus very expensive
- CThe starter motor contains a turbine
- DAll engines use a starter motor, but they can use another starting system if the pilot in command decides so
6About ignition
- ALow energy ignition is used for starting all jets
- BHig energy ignition is used for starting all jets
- CLow energy ignition is used in planes with MTOW<5700 kg and high energy ignition is used in heavier planes
- DLow energy ignition is used in planes commercial and high energy ignition is used in fighter planes
7Regarding the ice protection system, mark out the incorrect one
- AMust avoid air restrictions due to ice
- BTurbojet engines use hot air supply
- CThere is also a electrical power system
- DIt can never happen a combination of them because of the amount of energy required to maintain them while flying
8Fire protection systems
- ANever use external air cooling because the oxygen in the air could rekindle the fire
- BUse fire resistant materials in structural elements but not on pipes
- CLocate the fuel pipes in cold zones separated by fireproof bulkheads
- DLocate the fuel pipes in hot zones and protect them with fireproof bulkhead
9Q1. Choose the correct answer:
- AA. Aviation fuels are obtain by fractional distillation of crude oil
- BB. Aviation fuels are obtain by solidification of crude oil
- CC. Aviation gasoline and kerosene are light distillates
- DD. A and C are correct
10Q2. Detonation can be caused by:
- AA. An incorrect mixture strength
- BB. An incorrect fuel grade
- CC. A combination of high pressure and temperature
- DD. All are correct
11Q3. Aviation Gasoline can be classified in:
- AA. Grade 80 (red)
- BB. Grade 90 (green)
- CC. Grade 100 ZZ (blue)
- DD. A and B are correct
12Q4. Related to rich mixtures, choose the incorrect answer:
- AA. From 18:1 to 15:1
- BB. Leads to an incomplete combustion due to the fuel excess
- CC. Used for high power or low power (idle) settings
- DD. Fuel excess acts as a coolant
13Q5. Related to lean mixtures, choose the correct answer:
- AA. From 18:1 to 15:1
- BB. Leads to an incomplete combustion due to the fuel excess
- CC. Used for high power or low power (idle) settings
- DD. Fuel excess acts as a coolant
14Q6. Related to the mixture ratio, chemically correct or Stoichiometric ratio is:
- A14:1
- B15:1
- C16:1
- D17:1
15Q7. The main properties of gas turbine fuels are:
- AA. Thermal instability, low freezing point, low sulfur content
- BB. Thermal stability, high freezing point, low sulfur content
- CC. Thermal stability, low freezing point, high sulfur content
- DD. Thermal stability, low freezing point, low sulfur content
16Q8. The most used gas turbine fuel is:
- AA. A1
- BB. A
- CC. B
- DD. JP-4
17Q1. Components of the oil system:
- AA. Magnetic chip detector A,D,B,A,B,D,B,C
- BB. Squeeze film bearing
- CC. Air separator
- DD. All above and filters and strainers
18Q2. Types of ignition units:
- AA. DC (Low voltage system)
- BB. Transistorized
- CC. AC (High voltage system)
- DD. All above are correct
19Q3. Igniter plugs:
- AA. Air gap type
- BB. Surface discharge
- CC. Both are right
- DD. All are wrong
20Q4. How can we detect the particles in the lubrication system?
- AA. With a magnetic chip detector
- BB. By gravity
- CC. With pumps
- DD. None of the above
21Q5. Which are the factors to select an engine for a combat aircraft:
- AA. Flight speed, agility, flight envelope, STOL, VTOL,...
- BB. Number of air intakes, flight envelope, agility
- CC. Wing and tail type, agility, flight speed
- DD. B and C are correct
22Q6. A way of avoiding contrail concentration is:
- AA. Improve the general efficency of the engine
- BB. Desingn new alternativa routs
- CC. None of the above
- DD. Both options
23Q7. The highest concentration of CO2 due to aircraft is located:
- AA. Near the equator at 2000ft
- BB. Between Paralels 30 and 60 (N) in the tropopause
- CC. Between Paralels 30 and 60 (S) in the tropopause
- DD. Over Australia
24Q8. Emissions because of aircraft and its engines contribute
- AA. 2-3% of the CO2 global production
- BB. 10% of the global production
- CC. Less than 0,1%
- DD. Emissions in aircraft are only N2 and H2O
25Q9. Lobe type nozzles are designed to:
- AA. Improve the asthetics of the engine
- BB. Reduce the noise level
- CC. Control the flow of air to increase the thrust
- DD. The main objective is to avoid possible strike damages
26Q10. Acoustic Absorbent sheets in engines:
- AA. convert noise into heat
- BB. greatly improve the weight
- CC. are porous skins
- DD. A and C
27Q11. Throughout history the noise level has:
- Aincreased
- Bdecreased
- Cremained equal
- Dit has never been a priority
28Q12. Choose the correct option:
- AIf 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)
- BIf combat regime si used for short or long times pc is lighter option always.
- CIf 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)
- DNone of them is correct
Information
- Description
- Tema 12. Clase 12 Abril. 1 hora
- Author
- Ismael Vázquez
- Language
- Español
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