Correct Answer:
Option C - → If dense smooth finish is desired, floating must be followed by troweling.
→ Trowling should begin after the moisture surface disappears from the floated surface and when concrete has harden enough to prevent fine materials and water from being worked to the surface.
C. → If dense smooth finish is desired, floating must be followed by troweling.
→ Trowling should begin after the moisture surface disappears from the floated surface and when concrete has harden enough to prevent fine materials and water from being worked to the surface.