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What is fineness of cement?
Portland cement (often referred to as OPC, from Ordinary Portland Cement) fineness 300 - 500 m2/kg
What is blaine of cement?
ANSWER In simple terms, the "blaine" is a measure of the particle size or fineness of cement.
What is soundness in cement?
what will be hapened if soundness and fineness more or less percentage presence in cement.
How do you control blaine of cement?
You can control the blaine of cement, which is simply the fineness of the cement mixture, by calculating it with an automatic air permeability test during production.
What does 53 indicate in 53grade cement?
53 indicate the compressive strength (53 MPa) on cement mortar (1:3 mix) cube.
Describe the factors affecting the normal consistency of cement?
Cement fineness: Finer cement particles generally require more water for standard consistency. Cement composition: Different types of cement with varying compositions can exhibit different normal consistencies. Curing temperature Time of testing Humidity Testing procedure Chemical admixtures
What is drying shrinkage in concrete?
Loss of water held in gel spores that causes the change in volume.It is a function of the fineness and gel.Cement paste shrinks more than cement mortar and cement mortar shrinks more than concrete.
What is the definition of fineness modulus?
Fineness Modulus is a measurement of the coarseness or fineness of a given aggregate.
What is the fineness of 14 carat gold?
i think the fineness is 583
What are the factors affecting the initial setting time of cement?
When cement is mixed with water, it forms slurry which gradually becomes less plastic with the passage of time & finally a hard mass is obtained. In this process, at a certain stage when the cement paste is sufficiently rigid to withstand a definite amount of Pressure, it is said to have set & the time required to reach this stage is termed as "setting time".
Fine grained material used in cement?
The fineness of cement has an important bearing on the rate of hydration and hence onthe rate of gain of strength and also on the rate of evolution of heat. Finer cement offers agreater surface area for hydration and hence faster the development of strength.
What does 795 mean on a gold ring?
3 Digit numbers hallmarked on precious metal rings indicate the fineness or caratage (ct) of the metal. There is not a fineness value for 795, as it does not exist, to my knowledge, in the UK or US, and I'm pretty sure nowhere else in the world either. The Fineness marks in the UK are as follows: 375 = 9ct 750 = 18ct 916 = 21ct 999 = 24ct or pure. The fineness in the US is as follows: 417 = 10ct 585 = 14ct 750 = 18ct 916 = 22ct 999 = 24ct or pure.
