Engeneering myths

 
Mining cables used for underground coal operations
in ree mg and trailing applications are
designed to be “fit for purpos
e” for
their duty in a particularly harsh environment.
The following questions are related to this design requirement:
3)
With the use of the
area below draw at
pical cross section ardi
agram of a “type 2453
Trailing Cable” and identif
ythe critical design
eatures of
the cables internal cores,
insulation and screening (4 marks).
D)escribe how and where the Type 2453 c
able design is utilised in the
underground
mining industry, and why it may be chos
en ov er other cable types? (2 marks)
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