Building Materials Sapwood consists of Innermost annular rings around the pith Thin layers below the bark Thin fibre which extends from the pith outwards and holds the annular rings together Portion of timber between heartwood and cambium layer Innermost annular rings around the pith Thin layers below the bark Thin fibre which extends from the pith outwards and holds the annular rings together Portion of timber between heartwood and cambium layer ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage content of silica in window glass, is 70 to 75 60 to 65 50 to 55 40 to 45 70 to 75 60 to 65 50 to 55 40 to 45 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the correct statement from the following: Method of sawing timber All of these In four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing method Tangentially to annual rings, is known as tangential method Cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing All of these In four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing method Tangentially to annual rings, is known as tangential method Cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing ANSWER DOWNLOAD EXAMIANS APP
Building Materials The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called Bessemer process Open hearth process Crucible process Cementation process Bessemer process Open hearth process Crucible process Cementation process ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which one of the following is an air binding material? All of these Acid-resistant cement Quick lime Gypsum All of these Acid-resistant cement Quick lime Gypsum ANSWER DOWNLOAD EXAMIANS APP
Building Materials The basic purpose of a retarder in concrete is To increase the initial setting time of cement paste in concrete To decrease the initial setting time of cement paste in concrete To render the concrete more water tight To improve the workability of concrete mix To increase the initial setting time of cement paste in concrete To decrease the initial setting time of cement paste in concrete To render the concrete more water tight To improve the workability of concrete mix ANSWER DOWNLOAD EXAMIANS APP
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