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


a. 3 inches

Trades & Technology

You might also like to view...

Connecting rods in a four-stroke engine have ______ stamped on them for information purpose.

A. ID numbers B. codes C. clearance specifications D. "born on" date

Trades & Technology

Determine the indicated root and solve as indicated and round to 2 decimal places if necessary: .

Fill in the blank(s) with the appropriate word(s).

Trades & Technology

The volume of a cone is equal to ?r2h where r is the radius and h is the height of the cone.

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

Trades & Technology

In some systems, what is circulated through the heat exchanger inside the ice to melt it from the inside out?

A) cooling tower exhaust gas B) refrigerant discharge gas C) warm water D) warm glycol

Trades & Technology