In highway and bridge construction work where a concrete truck delivers the concrete, the best sampling point is _____.


a. in the center point of the placed concrete
b. around any edge of the framework
c. inside the drum of the truck before discharge
d. at the discharge from the truck


d. at the discharge from the truck

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When a person is promoted to crew leader, the amount of time they spend on craft work _____.

a. stays the same b. doubles c. decreases d. increases

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Mares in early lactation need about _____ as much calcium and phosphorus as do nonnursing mares

a. four times c. twice b. three times d. one-half

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The symbol for concentricity is a circle with a cross locating the center

Indicate whether the statement is true or false

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A roof that is elevated in the center and with an angular slope to the edges is called a __________ roof.

A. butterfly B. dome C. pitched/gabled D. double-angle

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