Per §5.6, 'bleeding' of concrete is best defined as:

Question

Accepted Answer

B. {'text': 'Water appearing on the surface AFTER consolidation but BEFORE setting', 'label': 'B'}

1. §5.6 opens: 'Bleeding may be defined as the appearance of water on the surface of concrete after it has been consolidated but before it has set. It is also sometimes referred as water gain.'
2. Bleeding is a special form of segregation: water — being the lightest component — migrates upward.
_Source: IGNOU ET-522 Block-2 Unit-5 Workability & Fresh Concrete-I, §5.6, p. 14_

Answer

{'text': 'Plastic shrinkage cracks appearing on the slab after demoulding the form', 'label': 'A'}

Answer

{'text': 'A chemical reaction of the cement paste with the sulphate ions in ground water', 'label': 'C'}

Answer

{'text': 'Long-term drying shrinkage of the hardened concrete after the 28-day mark', 'label': 'D'}