Concrete normally attains its design strength in about _____.


a. 14 days
b. 21 days
c. 28 days
d. 30 days


c. 28 days

Trades & Technology

You might also like to view...

What will happen if a technician uses a sling psychrometer that has a perfectly dry wick on the wet-bulb thermometer?

What will be an ideal response?

Trades & Technology

The color coding for a 30-ampere Type S plug fuse is __________.

a. blue b. orange c. green d. any of the above

Trades & Technology

A gasoline direct-injection engine has a light ticking sound when running. What should the technician do to correct this noise?

A) Change the oil B) Check for vacuum leaks C) Check for carbon deposits on top of the pistons D) Nothing, the noise is normal

Trades & Technology

The ancestor of the domesticated rabbit used for food, fur, and pets is the European wild rabbit.

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

Trades & Technology