What are the ways of preventing of inclusion of air bubbles in shrinkage dish?
A. Mixing the soil with sufficient distilled water and Making the soil pasty enough
B. Coating the surface with a thin layer of oil
C. All of the mentioned
D. None of the mentioned
Answer:A
What are the ways of preventing of inclusion of air bubbles in shrinkage dish?
A. Mixing the soil with sufficient distilled water and Making the soil pasty enough B. Coating the surface with a thin layer of oil C. All of the mentioned D. None of the mentioned