A concrete masonry unit has actual gross dimensions of 190 mm * 190 mm * 190 mm. The unit is tested in a compression machine with the following results: Failure load = 436 kN Net volume of...

A concrete masonry unit has actual gross dimensions of 190 mm * 190 mm *

190 mm. The unit is tested in a compression machine with the following

results:

Failure load = 436 kN

Net volume of 224516 mm3

a. Is the unit categorized as solid or hollow?

b. Calculate the gross area compressive strength.

c. Calculate the net area compressive strength.