What is a concrete admixture, and why is it used? Discuss the commonly used concrete admixtures.

What will be an ideal response?


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During start-up, you should ensure that all ____________________ are securely held in the I/O rack, and that field wiring arms (if applicable) are fully seated and locked.

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____ is when metal bends or twists out of shape as a result of being heated during the cutting process.

A. Hardening B. Bending C. Dishing D. Distortion

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All of the following were direct benefits reaped by the Americans from the mercantile system of Britain EXCEPT

A. British allowed the Americans to freely trade with other countries and compete on the open market. B. London paid high prices for ship parts to American producers. C. Virginia tobacco planters enjoyed a monopoly in the British market. D. protection of the world's mightiest navy and army without a penny of cost. E. some British merchants were not allowed to compete with the American colonial merchants.

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List three of the five basic types of tolerances.

What will be an ideal response?

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