B.Tech Civil Cement — practice questions
26 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice B.Tech Civil Cement in the app →In the manufacture of Portland cement, the dry process is preferred over the wet process mainly because of:In the wet process of Portland cement manufacture, the rotary kiln operates with a hottest-zone temperature ofThe size range of the fused clinker mass produced in the rotary kiln, as given in the source, is:In the dry process, after the powder is fed into the granulator, water is added to convert it into pellets. ThPer the source, when grinding clinker to produce Portland cement, the percentage of gypsum added by weight is:According to Table 1.1 (Oxide Composition Limits) of OPC, the permissible CaO content lies in the range:Per IS 269-1989, the insoluble residue percentage by mass in ordinary Portland cement shall not be greater thaIn Bogue's compound notation used for Portland cement, the symbol 'C' stands for:Tetracalcium aluminoferrite, in Bogue's compound notation, is written as:C3S and C2S together typically constitute the cement strength because their share of total cement is:Which Bogue compound, on reaction with water, is mainly responsible for the EARLY strength of concrete?Why is gypsum added to cement clinker during grinding?In the hydration of Portland cement, Calcium Hydroxide is considered undesirable because it:The chief hydration product 'Tobermorite Gel' described in the source is commonly known as:For complete hydration of Portland cement, the total water required as a percentage of cement weight is approxThe compressive strength figure in the BIS designation '53 Grade OPC' refers to the minimum 28-day strength ofUnder the ASTM classification, the cement Type used 'when high early strength is required (Rapid Hardening CemUnder the ASTM classification, the Type used when 'high sulphate resistance is required' is:The cement most ideally suited for mass concrete construction such as dams, per the source, is:Super sulphate cement is produced by inter-grinding granulated blast furnace slag with gypsum and a small sharAir entraining cement is used principally to improve the resistance of concrete to:Oil well cement, per the source, is engineered to remain mobile and then harden under approximate conditions oThe minimum specific surface (by Blaine air permeability) prescribed for Ordinary Portland Cement (33 Grade OPPer Table 1.5, the soundness of Ordinary Portland Cement tested by the Le Chatelier method must not exceed:Per Table 1.5, the maximum permitted FINAL setting time of Ordinary Portland Cement is:In the Standard Consistency test described in §1.10, the percentage of water 'P' is defined as the water requi