Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What is the purpose of immersing the brick in water for 16 hours?
What is the purpose of immersing the brick in water for 16 hours?
- To test the strength of the brick
- To increase the weight of the brick
- To measure the amount of water absorbed by the brick (correct)
- To dry the brick completely
Why is it important to weigh the brick when dry before immersing it in water?
Why is it important to weigh the brick when dry before immersing it in water?
- To measure the density of the brick
- To reduce the chances of water absorption
- To speed up the water absorption process
- To establish a baseline weight for comparison (correct)
What should be the maximum percentage of weight gained by the brick after immersion in water?
What should be the maximum percentage of weight gained by the brick after immersion in water?
- 20% (correct)
- 15%
- 25%
- 30%
What is the purpose of weighing the brick when dry before immersing it in water?
What is the purpose of weighing the brick when dry before immersing it in water?
Signup and view all the answers
Why is it important for the amount of water absorbed by the brick not to exceed 20% of the weight of the dry brick?
Why is it important for the amount of water absorbed by the brick not to exceed 20% of the weight of the dry brick?
Signup and view all the answers
What does the difference in weight before and after immersion in water indicate?
What does the difference in weight before and after immersion in water indicate?
Signup and view all the answers
