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Which among the following when utilized gives good finishing on the both sides of the walls?(a) Cast-in-situ fly ash walls(b) Cellular light weight concrete(c) Sintered light weight aggregates(d) Fly ash cement puttyI have been asked this question in a job interview.My doubt is from Ash and its Effects on Boiler Operation and Performance in portion Steam Generators & Accessories of Energy Engineering

Answer»

Correct option is (a) Cast-in-situ fly ash walls

To explain: Using high fly ash comprising of CEMENT, lime fly ash and sand in appropriate proportions depending UPON the quality of fly ash with pre-measured water cement ratio, cast-in-situ can be built. These can be cast to any thickness using steel shuttering. By using this system we can ACHIEVE 20% of economy, quicker construction, good FINISH on both SIDES of wall and more carpet area.



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