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Which of the below is not a disadvantage of using ribbed-torsteel bars?

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in Basic Civil Engineering by (111k points)
Which of the below is not a disadvantage of using ribbed-torsteel bars?

(a) High labour charge

(b) Not easily identifiable

(c) Weaker than plain round steel

(d) Arc welding is not possible

This question was posed to me during an interview.

My query is from Market Forms and Uses of Steel in portion Materials for Construction of Basic Civil Engineering

1 Answer

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Best answer
Right option is (a) High labour charge

Explanation: These bars are produced from ribbed-torsteel which is a deformed high strength steel.  These bars have projections (ribs) on their surface.  The bending, fixing and handling of these bars are simplified and it results in less labour charge.

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