a) Limeb) Limestonec) Marbled) Granite Answer: bExplanation: Calcareous component used for cement manufacture is calcium ...
View QuestionWhat is the advantage of using precalciner?
a) Fine grained cementb) Larger clinker sizec) Fuel efficiencyd) Sound cement Answer: cExplanation: Almost 95% ...
View QuestionWhat is released during the production of clinker?
a) CaCO3 b) CO2 c) Ca(OH)2 d) CO Answer: b Explanation: Specifically, CO2 is released ...
View QuestionHow much does a bag of cement weigh?
a) 1 kgb) 25 kgc) 50 kgd) 35 kg Answer: cExplanation: The weight of one ...
View QuestionWhich one of the below is rarely used as fuel in burning stage of wet process of cement manufacturing?
a) Woodb) Gasc) Pulverised coald) Fuel oil Answer: aExplanation: Clinkers are formed at a temperature ...
View QuestionHow is the argillaceous material used in the manufacture of cement stored?
a) Silosb) Basinsc) Bagsd) Storage tanks Answer: bExplanation: Clay is the argillaceous material used. These ...
View QuestionNowadays, wet method of cement manufacturing is used.
a) Trueb) False Answer: bExplanation: Wet method was used from 1913 to 1960. The dry ...
View QuestionAn excess of magnesium oxide after 5% is harmful to cement.
a) Trueb) False Answer: aExplanation: Excess of magnesium causes problems in structures built with this ...
View QuestionSulphur in cement is present in what amount?
a) 0.5 – 6 gb) 1 – 2.5%c) 0.5 – 6%d) 1 – 2.5g Answer: ...
View QuestionHow many major ingredients are present in the composition of cement?
a) 8b) 5c) 10d) 6 Answer: aExplanation: There are 8 main ingredients present in cement. ...
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