Which test used for fiber reinforced concrete?

How to improve the workability of concrete.

Which test used for low workable concretes?

A compaction factor of .85 for a cement concrete sample indicates _______

Well cured concrete _____ thermal, plastic & drying shrinkage cracks.

Dry intervals in surface wetting leads to ______

Workability of concrete can be improved by _______

___________ is practical in field test.