1.

Which one of the following is an advantage of Kiln burning over clamp burning?(a) Burning is not complete(b) Requires more fuel(c) No wastage of lime(d) Time effectiveThis question was addressed to me in an interview for job.My doubt stems from Calcination and Slaking of Lime in section Materials for Construction of Basic Civil Engineering

Answer»

Right option is (d) TIME effective

Best explanation: Clamp burning takes weeks to burn LIMESTONE, WHEREAS kiln burning takes only hours.Kiln burning OPERATION involves loading, burning, cooling and unloading.All these lead to wastage of lime in some AMOUNT.



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