Basic Important Knowledge on Timber, Aggregate, Cement for #Civil Engineering #Interview
Q1. What is the maximum water absorption for a good building stone aggregate?
Answer: The maximum water absorption for a good building stone aggregate is 5 percent.
Q2. What is the minimum crushing strength of a good building stone aggregate?
Answer: The minimum Crushing strength of a good building stone aggregate IS 100 MPa.
Q3. What causes the disease of dry rot in timber?
Answer: Lack of Ventilation causes dry rot in timber.
Q4. What is the percentage of moisture content in a well-seasoned timber?
Answer: The percentage of moisture content in a well-seasoned timber is 10 to 12 percent.
Q5. What is the average life of first-class timber?
Answer: The average life of first-class timber is more than 10 years.
Q6. What is the maximum percentage of water absorption of first-class brick?
Answer: The maximum percentage of water absorption of first-class brick is 20 percent.
Q7. What is the use of Le-Chatelier’s device?
Answer: The Le-Chatelier’s device is used for determining the soundness of cement.
