Building Materials Sapwood consists of Thin layers below the bark Portion of timber between heartwood and cambium layer Innermost annular rings around the pith Thin fibre which extends from the pith outwards and holds the annular rings together Thin layers below the bark Portion of timber between heartwood and cambium layer Innermost annular rings around the pith Thin fibre which extends from the pith outwards and holds the annular rings together ANSWER DOWNLOAD EXAMIANS APP
Building Materials The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively: 10, 75, 15 75, 10, 15 10, 15, 75 15, 75, 10 10, 75, 15 75, 10, 15 10, 15, 75 15, 75, 10 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The plywood Cannot be bent more easily than ordinary wood of same thickness Has greater impact resistance to blows than ordinary wood Can be spilt in the plane of the panel Has good strength along the panel only Cannot be bent more easily than ordinary wood of same thickness Has greater impact resistance to blows than ordinary wood Can be spilt in the plane of the panel Has good strength along the panel only ANSWER DOWNLOAD EXAMIANS APP
Building Materials Resins are Soluble in spirit Used in varnishes Left behind on evaporation of oil Not soluble in water Soluble in spirit Used in varnishes Left behind on evaporation of oil Not soluble in water ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth? Silica and alkalies Alumina and iron Lime stone and alumina Alkalies and magnesium Silica and alkalies Alumina and iron Lime stone and alumina Alkalies and magnesium ANSWER DOWNLOAD EXAMIANS APP
Building Materials Name the type of cement from the following for canal linings: Quick setting cement Rapid hardening cement Pozzolana cement Sulphate resisting cement Quick setting cement Rapid hardening cement Pozzolana cement Sulphate resisting cement ANSWER DOWNLOAD EXAMIANS APP
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