Building Materials The age of a tree can be known by examining Heart wood Annular rings Medullary rays Cambium layer Heart wood Annular rings Medullary rays Cambium layer ANSWER DOWNLOAD EXAMIANS APP
Building Materials The proportions of lime and sand in the mortar normally used in brick construction are 1 : 8 1 : 4 1 : 2 1 : 6 1 : 8 1 : 4 1 : 2 1 : 6 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Inner part of a timber log surrounding the pitch, is called Cambium layer Heart wood None to these Sapwood Cambium layer Heart wood None to these Sapwood ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of silica in a good brick earth lies between 20 to 30 % 5 to 10 % 50 to 60 % 70 to 80 % 20 to 30 % 5 to 10 % 50 to 60 % 70 to 80 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most common admixture which is used to accelerate the initial set of concrete is Calcium carbonate Gypsum None of these Calcium chloride Calcium carbonate Gypsum None of these Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Building Materials Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum, mica Quartz and mica are minerals Basalt and marble are the only metamorphic rocks There is no sedimentary rock Granite is the only igneous rock Quartz and mica are minerals Basalt and marble are the only metamorphic rocks There is no sedimentary rock Granite is the only igneous rock ANSWER DOWNLOAD EXAMIANS APP
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