Difficulty: Easy
Correct Answer: All of the above
Explanation:
Introduction / Context:Every coating system has compatible thinners that adjust viscosity and drying characteristics. This question checks practical knowledge of typical thinners used with common paint categories in building works.
Given Data / Assumptions:
Concept / Approach:Correct thinning ensures proper atomization, leveling, and film formation. The usual pairings are: alcohols for many lacquers, esters/ketones like ethyl acetate for cellulose paints, petroleum distillates (e.g., mineral spirits/naphtha) for oil paints, and plain water for distemper (a water-based paint).
Step-by-Step Solution:
1) Lacquer paints: Commonly thinned with alcohols and compatible solvents.2) Cellulose paints: Ethyl acetate and related solvents are standard choices.3) Oil paints: Mineral spirits/naphtha serve as conventional thinners.4) Distemper: A water-borne paint; water is the thinner.Verification / Alternative check:Manufacturer data sheets and trade practice guides confirm these pairings as standard recommendations for application and cleanup.
Why Other Options Are Wrong:Each single statement captures only one pairing; the comprehensive, correct grouping is the “All of the above” choice.
Common Pitfalls:Using an incompatible thinner can cause poor film formation, slow drying, or surface defects like orange peel and pinholing.
Final Answer:All of the above
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