1) A 14 gauge cable when compared to an 18 gauge cable has Report

the same current rating

higher current rating

lower current rating

2) In a front release connector, the pin will be Report

released from the front and extracted from the rear

released from rear and extracted from the front

released from the front and extracted from the front

3) An interconnect cable has what insulation? Report

same thickness as airframe cable

thicker than airframe cable

thinner than airframe cable

4) Why is the ground side of an electrical power conductor usually connected to a male connector? Report

To make installation of the connector easier

To reduce the chance of an accidental short

To reduce the chance of corrosion affecting the pins

5) Maximum temperature of tin coated copper cable is Report

200 ^oC

150 ^oC

105 ^oC

6) Plug pins are numbered Report

from the outside in - clockwise

from the inside out - clockwise

from the inside out - anticlockwise

7) Equipment wire Report

is flexible and suitable for soldering

can be used for interconnect wiring

has thicker insulation than interconnect wire

8) In the wiring code shown, what does the number 6 (4th number from the left) represent? Report

Cable number

Circuit function

Cable size

9) An aluminium oxide layer on a conductor will do what when the temperature is increased? Report

Become thicker

Become thinner

Remain the same

10) What is a coaxial cable? Report

A single conductor

Two or more conductors

A twisted pair of conductors

11) 'X' on an electrical cable indicates Report

emergency power

AC power

control system

12) What must you be careful with a hot stamped cable? Report

Corrosion

Peeling of the insulation

Wet arc tracking

13) What is the effect of aluminium oxide on aluminium electrical cable? Report

Insulates

Reduces resistance

Provides strength

14) What amperage is an 18 swg cable? Report

1 amp

5 amp

10 amp

15) A co-axial cable is better than a normal cable because Report

there is an electrostatic field around it which helps to reduce the electromagnetic field

weight for weight it can carry more signal

it has less resistance

16) What is the danger if a silver coated connector comes into contact with glycol de icing fluid Report

Fire hazard

Corrosion

Wet arc tracking

17) When silver coated connectors are used in unpressurised parts of the aircraft Report

wet track arcing can occur

separation of the coating can occur

corrosion can occur

18) The conductor in Tersil cable is Report

stainless steel

nickel plated copper

tinned copper

19) A cable is marked NYVIN 22. The 22 represents the Report

current/weight ratio

cross sectional area

current rating

20) Copper is an inferior conductor to aluminium when comparing Report

weight for weight

CSA with CSA

load for load

EASA Questions Module 6: Materials Set 16: Electrical Cables

Set 1: Materials - Ferrous

Set 2: Materials - Ferrous

Set 3: Materials - Non-Ferrous

Set 4: Composite & Non-Metal

Set 5: Wooden Structures

Set 6: Fabric Covering

Set 7: Corrosion

Set 8: Screw Threads

Set 9: Bolts, studs & screws

Set 10: Locking devices

Set 11: Rivets

Set 12: Pipes and Unions

Set 13: Bearings

Set 14: Transmissions

Set 15: Control Cables

Set 16: Electrical Cables