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Q: Which of the following statements is false?
  • A. With passage of time, the strength of cement increases
  • B. With passage of time, the strength of cement decreases
  • C. After a period of 24 months, the strength of cement reduces to 50%
  • D. The concrete made with storage deteriorated cement gains strength with time
Correct Answer: Option A - • Time of storing is also a factor that effects the cement especially its strength. Longer the period reduce the strength of cement. • % Reduction is strength of cement storage for 3 month = 20% • Reduction in strength of cement storage for 6 month = 30% • % Reduction in strength of 1 year storage cement = 40% • % Reduction in strength of 2 year storage cement = 50%
A. • Time of storing is also a factor that effects the cement especially its strength. Longer the period reduce the strength of cement. • % Reduction is strength of cement storage for 3 month = 20% • Reduction in strength of cement storage for 6 month = 30% • % Reduction in strength of 1 year storage cement = 40% • % Reduction in strength of 2 year storage cement = 50%

Explanations:

• Time of storing is also a factor that effects the cement especially its strength. Longer the period reduce the strength of cement. • % Reduction is strength of cement storage for 3 month = 20% • Reduction in strength of cement storage for 6 month = 30% • % Reduction in strength of 1 year storage cement = 40% • % Reduction in strength of 2 year storage cement = 50%