CSLB CONTRACTOR B EXAM PLASTER (STUCCO) EXAM ACTUAL QUESTIONS AND ANSWERS

CSLB CONTRACTOR B EXAM PLASTER (STUCCO) v v v v v




EXAMACTUALQUESTIONSANDANSWERS2024-2025 A+
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GRADE.
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inside or outside - correct answer-
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Portland cement plaster is a versatile facing material that can be applied to any flat or curved surface eith er
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or of any structure or building v v v v v




they're the same - correct answer- v v v v v




what is the difference between Portlandcement plaster and Portland cement stucco
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scratch, brown and finish-Ycorrect answer- v v v v v




3 coats in typical plaster install over metal reinforcement with or without solid backing.
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2 coat - correct answer-
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work may be used over solid masonry or concretes surfaces that are reasonably true planes a nd v v v v v v v v v v v v v v v v




provide adequate bond
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single coat - correct answer-
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Some backgrounds, such as smooth concrete, have level surfaces anduniform suction that make thin,
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plastering possible v




add pigments while preparing the mixture - correct answer-how do you give the stucco coloer
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hard, strong, fire resistant, color retentive and durable to weather conditions - correct answer- name 5
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characteristics of plaster in its hard state
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portland cement and gypsum - correct answer- v v v v v v




Two of the main materials used to make up plaster are
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accelerator - correct answer- v v v




An admixture that speeds the rate of hydration of hydraulic cement, shortens the normal time of setting or
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increases the rate of hardening, or strength development, or both, of cement plaster
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, Addition (improperly called additive) - correct answer-A substance that is inter-
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ground or blended in limited amounts into a hydraulic cement during manufacture - not at the jobsite —
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either as a processing addition to aid in manufacturing and handling the cement or as a functional additi on
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to modify the use properties of the cement
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admixture - correct answer- v v v




A material, other than water, aggregates, and hydraulic cement, used as an ingredient of plaster and add ed to
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the batch immediately before or during mixing.
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Air-entraining hydraulic cement - correct answer-Hydraulic cement containing an air- v v v v v v v v v




entrainingYaddition in an amount that cause the cement to entrain air in plaster within specified limits v v v v v v v v v v v v v v v




base coat - correct answer-
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The total of all plaster coats applied prior to application of finish coat. Where more than two layers of pla ster
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are applied, the first application is called the scratch coat and the second coat is called the brown- coat. The
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combined first and second coats are called the
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binders - correct answer- v v v




Cementing materials, either hydrated cements or products of cement or lime and reactive siliceous mate rials;
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the cement type and curing conditions govern the
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bond - correct answer- v v v




Adhesion of plaster to other surfaces against which it is applied; adhesion of cement paste to aggregate,
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adherence between plaster coats or between plaster and substrate.
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building paper - correct answer- v v v v




VegetableFiber (Kraft,waterproofed,waterrepellent,andfireresistant),forsome building occupancies,
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such as hospitals,
v v must be flameproof and must comply with ASTM D777. Asphalt-
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saturated building felt should weigh not less than 14-lbs. per 108- v v v v v v v v v v




square feet.
v should be free from holes and breaks.
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chemical bond - correct answer- v v v v




Adhesion between dissimilar materials or between one plaster coat and another that is the result of a
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v chemical reaction. v