A mat of reinforcing bars used in a slab is usually supported above the subgrade at a distance of _____

a. 3 inches
b. 4 inches
c. 5 inches
d. 6 inches
AGRICULTURAL MECHANICS AND METAL TECHNOLOGIES - TX. ED., VOL. 1 MODULE 27304-14 EXAM 3
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a

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Label the following furnace

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A. 3 B. 5 C. 7 D. 10

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