Q. If L1=Measurement taken after 24 hours of immersion in water at a temp. of 27 ± 20oC and L2=Measurement taken after 3 hours of immersion in water at boiling temperature. Then what is soundness of cement? (Solved)
1. L1+L2
2. L1/L2
3. L1-L2
4. L1*L2
- c. L1-L2