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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

michaelmara has left comment on bennguli's question:
dunno Read comment

JD2016 has left comment on funcaul 's question:
I agree. This answer is incorrect. The whole idea of an IC is to get rid of wires and squeeze as many components as possible into as small a space as possible. Wires wouldn't be physically possible. Read comment

razvan.stanoiu has left comment on muzammil's question:
               (a + b) • (a - c) • (b - c)
Simplify   ——————————
               (a + b) • (c - a) • (c - b)

Canceling Out :

1. Rewrite  (c-a)=(-1)•(a-c) and (c-b)=(-1)•(b-c)

2. Cancel out.

  (a + b) • (a - c) • (b - c)
————————————— = 1
(a + b) • (-1)•(a-c) • (-1)•(b-c) Read comment

JD2016 has left comment on Benny's question:
N2 =4800
N1 = 1200
Turns Ratio N2/N1 = 4.
Ratio of impedances is the same as the Turns Ratio SQUARED.
Z1 = 1000
Z2 =?

Z2/Z1 = (N2/N1)**2

Z2 = Z1 (N2/N1)**2
= 1000 (4)**2
= 1000 x 16
= 16,000
= 16 Kilohms Read comment

zoom77 has left comment on tini1992's question:
thats right; the area of a circular ring is calculated by the formula pi*(R^2-r^2) Read comment

Last finished tests

francesco.benvenuto93 finished 2. Physics with 93% result.
francesco.benvenuto93 finished 2. Physics with 93% result.
akfe finished 3. Electrical fundamentals with 66% result.
Lore96 finished 2. Physics with 46% result.
Fabio29maggio finished 2. Physics with 90% result.

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