Building Materials The age of a tree can be known by examining Annular rings Cambium layer Heart wood Medullary rays Annular rings Cambium layer Heart wood Medullary rays ANSWER DOWNLOAD EXAMIANS APP
Building Materials The method of addition polymerization is used for obtaining: Polypropylene Polystyrene Polyvinylchloride All of these Polypropylene Polystyrene Polyvinylchloride All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main ingredients of Portland cement are Lime and iron Lime and silica Silica and alumina Lime and alumina Lime and iron Lime and silica Silica and alumina Lime and alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials For sanitary pipes and chemical stonewares, Lead glazing is used None of these Opaque glazing is used Salt glazing is used Lead glazing is used None of these Opaque glazing is used Salt glazing is used ANSWER DOWNLOAD EXAMIANS APP
Building Materials The cement becomes unsound by the presence of excess Magnesia All of these Sulphur Lime Magnesia All of these Sulphur Lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials For construction of structures under water, the type of lime used, is Hydraulic lime Fat lime Pure lime Quick lime Hydraulic lime Fat lime Pure lime Quick lime ANSWER DOWNLOAD EXAMIANS APP
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