The type of concrete with millions of microscopic air bubbles, which increases its freeze and thaw resistance, is _____.


a. high-density concrete
b. air-entrained concrete
c. no-fines concrete
d. sprayed concrete


b. air-entrained concrete

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What will be an ideal response?

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a. Charles Darwin c. Louis Pasteur b. Robert Hook d. Carolus Linnaeus

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Answer the following statement true (T) or false (F)

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How much clearance should there be between the sector shaft and the ball nut when the wheels are in the straight-ahead position?

What will be an ideal response?

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