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- Subject
- Building Materials and Constructioncivil-engineering-mcqs › building-materials-and-construction
- Published
- 9 Jan 2019
- Last updated
- 28 May 2026
Explanation
Gypsum is the primary retarder added to cement to slow down the setting process, whereas calcium chloride acts as an accelerator. Calcium carbonate is not typically used as a retarder.
More Building Materials and Construction MCQs
Practice related questions from the same subject.
- 1.What are the benefits of having the correct amount of entrained air in concrete?
- 2.How does cast iron compare to mild steel in terms of compressive and tensile strengths?
- 3.How does double Flemish bond differ from English bond in terms of structure?
- 4.What is the maximum allowable differential settlement for foundations constructed on sandy soils?
- 5.Which type of footing is designed to transfer substantial loads from steel columns to the ground?
- 6.In a collar beam roof, where is the horizontal tie typically located?
- 7.In stair construction, what does the term 'string' refer to?
- 8.What is the minimum recommended number of steps in a flight of stairs?
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