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The _________ of lead, Copper and Aluminium can be used as the membrane of damp proofing.(a) Metal sheets(b) Bituminous felts(c) Mastic asphalt(d) Hot bitumenI got this question by my school principal while I was bunking the class.This interesting question is from Dampness in portion Damp Proofing, Water Proofing and Termite Proofing of Construction & Building Materials

Answer»

The correct answer is (a) Metal sheets

To explain: The LEAD sheet is a flexible material. The thickness of lead sheet should be such that its weight is not less than 200 N/m^2. The lead can be dressed to complex shapes without FACTURE and it possesses high resistant to SLIDING action.



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