Paper 2(16-20) Online Test

16.          T6 designation of al alloy indicates
Saln heat treated & then artificially aged
Saln head treated & then stabilized – T7
Artificially aged only
Saln heat treated & then cold worked

17.          The major alloying element in 7075 al-alloy is
magnesium
silicon
Mg & Si
Zinc

18.          The purpose of turnbuckle is
to make minor adjustment in cable length
to adjust cable tension
both are correct
None

19.          A 7x19 cable is made up of
7 strands of 19 wires each
19 strands of 7 wires each
None
None

20.          A double flare should be used on:
Stainless steel
Ni-steel
Cast iron
Al-alloy only

Score = Correct answers:

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