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Q: Water cement ratio is
  • A. volume of water to that of cement
  • B. weight of water to that of cement
  • C. Both 'volume of water to that of cement' and 'weight of water to that of cement'
  • D. weight of concrete to that of water
Correct Answer: Option B - The water cement ratio (w/c ratio) is the ratio of quantity of water to the cement. This may be given either in the form of ratio of their weights or ratio of their volume. As the water cement ratio increase, strength of concrete decreses.
B. The water cement ratio (w/c ratio) is the ratio of quantity of water to the cement. This may be given either in the form of ratio of their weights or ratio of their volume. As the water cement ratio increase, strength of concrete decreses.

Explanations:

The water cement ratio (w/c ratio) is the ratio of quantity of water to the cement. This may be given either in the form of ratio of their weights or ratio of their volume. As the water cement ratio increase, strength of concrete decreses.