What property makes aluminium generally unsuitable for domestic wiring systems?
A) poor conductivity compared to copper
B) unreliable pressure connections due to 'cold flow'
C) poor conducting quality of its corrosive film
D) low melting point
Correct Answer:
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Q1: In the electrical industry, 'wires' are generally
Q2: Place the following conductors in order, from
Q4: A 'cable' consists of
A) one or more
Q5: The term, 'live conductors', refers to a
Q6: A cable, comprising a line, neutral, and
Q7: Stranded conductors are manufactured to
A) ease their
Q8: For a stranded '7/0.85' cable, the figure
Q9: Cables with 'wedge-shaped' cores are manufactured to
A)
Q10: The purpose of a cable's outer sheath
Q11: The purpose of armouring a cable is
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