55. For one cubic meter of brick masonry, number of bricks required is :
56. Thec nly used lime in white washing is :
(ക) White lime (8) Fatlime
(C) Hydraulic lime (ப) Quick lime
57. Good quality cement contains higher percentage of :
(ക) Tri-calcium silicate (8) Di-calcium silicate
(C) Tri-calcium aluminate (D) Tetra-calcium alumina ferrite
58, وہک test of cement 15 carried out to determine :
tity of free lime (8) Ult....
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