Friday, April 19, 2013

Module 6 11 Quiz aircraft electrical material and hardware

Module 6 is on materials and hardware. The topic number 11 is about electrical cables and connectors. Among the subjects covered are...

a. Cables types, construction and characteristics
b. High tension and coaxial cable
c. Connectors types, plugs and receptacles, pins and sockets, identification codes, couplings
d. insulators
e. Current rating
The term cable and wires are used interchangeably to mean the electrical wires.

On completion of the course, I normally gave some quiz. These are the example of the close book quiz...

1. What is/are the characteristics of airframe cable?

2. Why the wire in bundle and protective conduit carries less current compared to the cable in free air?

3. what is the method used to reduce intercable interference in a ribbon cable.

4. What is the different between fire resistance and fire proof cables?.

5. What is the material commonly used a the screen in "screened" cable?

6.  What is the range of AWG size of cable used in an aircraft?

7. Name 3 disadvantage of aluminium wires and how does it effect its installation.

8. Silver plating has 2 disadvantages, what are thy?

9. Name the plating used for general aircraft wiring and the high temp cable.

10. PVC is a good insulator, but it has disadvantage, what is it?

The DCAM  and EASA had set the number of questions for module 6, inclusive of part 11. It is give in the AN1101 appendix 2.

For category
A 52 questions.
B1 - 72
B2 - 60

Further questions..

Bonus Question... The high tension cable can carry voltage up to 12,000 volts. Explain the construction of wire suited for this.

11. What are the insulators used for Nyvin wire?

12. What the most suitable wires used for general purpose wiring on a turbine engine?

13. Give example and explain the meaning of the wiring code used for circuit identification.

14. What is the common information found in the circuit and cable identification (marking).

15. what are the methods used to mark the cable and circuit markings?

More questions may be generated from module 6 11.  In preparing for the module, please remember the syllabus. For example.. cable type. construction and characteristics and I would related to the application. example...

16. What type of wires are suitable to be used in hydraulic contaminated area, how the wire is constructed and what are its characteristics.

17. Draw the structure of the end terminal lug and inline splice and name the parts. Which part hold and crimp the conductors.

18.Draw the coaxial cable and name the part. Which part hold the (BNC) connector?.

19. What are the precaution to be taken to prevent the galvanic corrosion?

20. What are the size range of the AWG wire that can be connected to the yellow inline splice (smaller yellow)?

21. Draw a connector assy, give the names and  function of each of the part.

22. State the 3 type of coupling and explain how to connect them.

23. state the two type of pins/socket and explain how to install and remove the pins.

24. Give example of part number of a connector and and the break down meaning of the numbers.

25. Looking at the face of a connector plug with 12 pins,  draw the pins, the marked line guide and the parenthesis if any.



1 comment:

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