Q. A lower ratio leads to _____

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Q. For concrete exposed to a very aggressive environment the w/c should be lower than _________

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Q. What is the range of water in M10?

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Q. What is the range of water in M15?

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Q. What is the range of water in M20?

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Q. What is the range of water in M25?

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Q. What is the approximate quantity of water in M5?

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Q. What is the approximate quantity of water in M7?

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Q. What is the approximate quantity of water in M10?

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Q. What is the gel/space ratio?

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Q. Who has established the relation between the strength and gel/space ratio?

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Q. Power showed that the strength of concrete bears a specific relationship with the gel/space ratio. He found the relationship to be __________

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Q. What does 240 in power’s experiment stand for?

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Q. What does x³ in power’s experiment stands for?

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Q. What unit is present with the 240?

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Q. Gel/Space ratio = x = Volume of gel / Space available = 0.657 C / 0.319 C+ Wo. Here C stands for?

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Q. Gel/Space ratio = x = Volume of gel / Space available = 0.657 C / 0.319 C+ Wo. Here Wo stands for?

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Q. What is concrete maturity?

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Q. Maturity methods provide a ___________ simple approach for strength of concrete.

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Q. The maturity method is a ___________ approach to predict the early age strength gain of concrete.

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