What are the conditions that a support must meet to receive a plaster coating? Plane Roughness and porosity Cleanliness Humidity Homogeneity I. The...
What are the conditions that a support must meet to receive a plaster coating?
Plane
Roughness and porosity
Cleanliness
Humidity
Homogeneity
I. The surface of the support must define a plane, not admitting deviations greater than 8 mm.
II. The roughness of the surface and the porosity of the mass facilitate adhesion.
III. The support must be sufficiently clean to allow full contact with the plaster paste.
IV. The support must have a medium degree of humidity.
V. It is desirable that the support to be plastered is made of the same material.
a) I, II, III, IV and V are correct.
b) Only I, II, III and IV are correct.
c) Only II, III, IV and V are correct.
d) Only I, II, III and V are correct.
Plane
Roughness and porosity
Cleanliness
Humidity
Homogeneity
I. The surface of the support must define a plane, not admitting deviations greater than 8 mm.
II. The roughness of the surface and the porosity of the mass facilitate adhesion.
III. The support must be sufficiently clean to allow full contact with the plaster paste.
IV. The support must have a medium degree of humidity.
V. It is desirable that the support to be plastered is made of the same material.
a) I, II, III, IV and V are correct.
b) Only I, II, III and IV are correct.
c) Only II, III, IV and V are correct.
d) Only I, II, III and V are correct.
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💡 1 Resposta
Ed 
A resposta correta é a alternativa (b) "Apenas I, II, III e IV estão corretas". As condições que um suporte deve atender para receber um revestimento de gesso são: I. A superfície do suporte deve ser plana, não admitindo desvios maiores que 8 mm. II. A rugosidade da superfície e a porosidade da massa facilitam a aderência. III. O suporte deve estar suficientemente limpo para permitir o contato completo com a pasta de gesso. IV. O suporte deve ter um grau médio de umidade. A alternativa V não está correta, pois não é necessário que o suporte a ser revestido seja feito do mesmo material.
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