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1. What is Portland cement plaster? - Correct Answer: A mixture of
Portland cement, aggregate, and water applied to surfaces and hardened.
2. Where can Portland cement plaster be used? - Correct Answer: Interior
or exterior surfaces of buildings.
3. What is another name commonly used for exterior Portland cement
plaster? - Correct Answer: Stucco.
4. How many coats are typically used in plaster application? - Correct
Answer: Three coats.
5. What are the three plaster coats? - Correct Answer: Scratch coat, brown
coat, finish coat.
6. When can two-coat plaster systems be used? - Correct Answer: Over
solid masonry or concrete surfaces.
, 7. What is the base coat in plaster? - Correct Answer: The combination of
the scratch coat and brown coat.
8. What is the scratch coat? - Correct Answer: The first coat applied in
plastering.
9. What is the brown coat? - Correct Answer: The second coat applied
before the finish coat.
10.What is the finish coat? - Correct Answer: The final decorative coat of
plaster.
11.What is the purpose of scoring the scratch coat? - Correct Answer: To
create mechanical keys for the brown coat.
12.What are the two main materials used in plaster? - Correct Answer:
Portland cement and gypsum.
13.What is an accelerator in plaster? - Correct Answer: An admixture that
speeds up the setting or hardening of cement plaster.
14.What is an addition (additive)? - Correct Answer: A substance blended
during cement manufacturing to modify properties.