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1. Mathematics
1. Mathematics
2. Physics
2. Physics
3. Electrical fundamentals
3. Electrical fundamentals
4. Electronic fundamentals
4. Electronic fundamentals
5. Digital techniques / Electronic instrument systems
5. Digital techniques / Electronic instrument systems
6. Materials & hardware
6. Materials & hardware
7. Maintenance practices
7. Maintenance practices
8. Basic aerodynamics
8. Basic aerodynamics
9. Human factors
9. Human factors
10. Aviation legislation
10. Aviation legislation
11.  Aeroplane aerodynamics, structures and systems
11. Aeroplane aerodynamics, structures and systems
12. Helicopter aerodynamics, structures and systems
12. Helicopter aerodynamics, structures and systems
13. Aircraft aerodynamics, structures and systems
13. Aircraft aerodynamics, structures and systems
14. Propulsion
14. Propulsion
15. Gas turbine engine
15. Gas turbine engine
17. Propeller
17. Propeller

Last comments in Q&A

JD2016 has left comment on Mickyg1986's question:
There are 2 x Pi radians in a full circle. (Pi= 3.14... or 22/7). Rotational speed given in radians per second so divide by 2 Pi to get revolutions per second (rev/s). Multiply that by 60 to get revolutions per minute (RPM). Read comment

zoom77 has left comment on Mickyg1986's question:
150pi=x*2pi/60 ; divided for pi and then x= 60*150/2=4500 Read comment

zoom77 has left comment on zoom77's question:
thank you Read comment

Matas24 has left comment on zoom77's question:
error in test Read comment

Matas24 has left comment on bucks's question:
it's soft, chalk like material disables high frequencies exiting the fan blades Read comment

Last finished tests

Teto27 finished 7. Maintenance practices with 100% result.
felixsolanes finished 11. Aeroplane aerodynamics, structures and systems with 70% result.
josefb finished 5. Digital techniques / Electronic instrument systems with 90% result.
luca_tag finished 7. Maintenance practices with 83% result.
BobbyITS finished 6. Materials & hardware with 60% result.

Statistics

Questions in database: 10740
Finished tests: 324881
Registered users: 11112
Last registered user: robdoh
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