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The ____________ is the most effective process of repairing concrete work which has been damaged due to enquiry work or other reasons.(a) Grouting(b) Guniting(c) Vibrating(d) PouringI had been asked this question during an interview for a job.This key question is from Placing of Concrete topic in chapter Cement Concrete Construction of Construction & Building Materials

Answer»

Right option is (b) Guniting

Easy explanation: In Guniting METHOD, the surface to be treated is CLEANED and WASHED, the nozzle of gun is generally KEPT at a distance of about 750 mm to 850 mm from the surface to be treated and the velocity of nozzle varies from 120 m/sec to 160 m/sec.



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