For the following questions answer them individually
The crushing strength (MPa) of good stone used for construction of a buildingĀ must not be less than ____.
In the process of the hydration of OPC, what is the water requirement (expressedĀ as the percentage by weight of cement) to complete the chemical reactions?
What is the main reason to use lime in the cement slurry during the plastering inĀ the top coat?
Which one of the following metamorphic rocks has more weathering resistanceĀ characteristics?