4.3.6. Specific Gravity Test

Try these first

1. 1.

   What is the standard specific gravity for Ordinary Portland Cement (OPC)?

   Hint

   It’s commonly referenced in construction standards.

2. 2.

   Name the apparatus used to perform the Specific Gravity Test.

   Hint

   It has a specific capacity for measuring volumes.

3. 3.

   What is the standard specific gravity value for Ordinary Portland Cement?

   • 2.85
   • 3.15
   • 3.45

   Hint

   Recall the established standard used in testing.

4. 4.

   The Le Chatelier flask is used in which type of cement testing?

   • True
   • False

   Hint

   Think about the relationship between the flask and its purpose.

5. 5.

   If a sample of cement weighs 300 grams and displaces 100 ml of water in the Le Chatelier flask, calculate the specific gravity.

   Hint

   Use the density formula.

6. 6.

   Discuss how incorrect specific gravity measurements could impact a high-rise building's structural integrity.

   Hint

   Consider the role of accurate measurements in structural safety.