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Questions and Answers
What are the principle constituents of cement used for constructional purposes?
What are the principle constituents of cement used for constructional purposes?
- Compounds of Na and K
- Compounds of Mg and SiO2
- Compounds of Ca and Al +Si (correct)
- Compounds of Fe and CaO
What are the properties of cement when mixed with water?
What are the properties of cement when mixed with water?
- Becomes brittle and crumbles
- Forms a gaseous substance
- Forms a paste which hardens and binds aggregates (correct)
- Becomes liquid and loses its adhesive properties
What are the properties used to characterize liquid lubricants?
What are the properties used to characterize liquid lubricants?
- Boiling and freezing point, Density, Color, Odor
- Hardness, Elasticity, Ductility, Malleability
- Surface tension, Conductivity, pH, Refractive index
- Viscosity and viscosity index, Flash and fire point, Cloud and pour point, Aniline point, acid value, saponification number (correct)
What are the types of cement mentioned in the text?
What are the types of cement mentioned in the text?
What is the role of microscopic constituents in the manufacturing of Portland cement?
What is the role of microscopic constituents in the manufacturing of Portland cement?
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