Building Materials The age of a tree can be known by examining Medullary rays Annular rings Cambium layer Heart wood Medullary rays Annular rings Cambium layer Heart wood ANSWER DOWNLOAD EXAMIANS APP
Building Materials The pigment used in paints for corrosive resistance, is Ferrous oxide Red lead White lead Zinc white Ferrous oxide Red lead White lead Zinc white ANSWER DOWNLOAD EXAMIANS APP
Building Materials If the iron ore contains clay as an impurity, the flux added during calcination, is Argillaceous iron ore All listed here Lime stone Clay Argillaceous iron ore All listed here Lime stone Clay ANSWER DOWNLOAD EXAMIANS APP
Building Materials For the manufacture of Portland cement, the proportions of raw materials used, are Silica 70% ; lime 20% ; other ingredients 10% Silica 40% ; lime 40% ; other ingredients 20% Lime 63% ; silica 22% ; other ingredients 15% Lime 22% ; silica 63% ; other ingredients 15% Silica 70% ; lime 20% ; other ingredients 10% Silica 40% ; lime 40% ; other ingredients 20% Lime 63% ; silica 22% ; other ingredients 15% Lime 22% ; silica 63% ; other ingredients 15% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the synthetic resin from the following: Resorcinol resin All of these Phenolic resin Urea resin Resorcinol resin All of these Phenolic resin Urea resin ANSWER DOWNLOAD EXAMIANS APP
Building Materials The minimum compressive strength of 2nd class bricks should be 75 kg/cm² 90 kg/cm² 100 kg/cm² 120 kg/cm² 75 kg/cm² 90 kg/cm² 100 kg/cm² 120 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
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