Building Materials The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to White cast iron Grey cast iron Toughed cast iron Mottled cast iron White cast iron Grey cast iron Toughed cast iron Mottled cast iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Jhumb bricks are Under burnt None of these Kutcha Over burnt Under burnt None of these Kutcha Over burnt ANSWER DOWNLOAD EXAMIANS APP
Building Materials Addition of pozzolana to ordinary Portland cement increases Shrinkage Heat of hydration Permeability Bleeding Shrinkage Heat of hydration Permeability Bleeding ANSWER DOWNLOAD EXAMIANS APP
Building Materials The basic purpose of a retarder in concrete is To decrease the initial setting time of cement paste in concrete To improve the workability of concrete mix To render the concrete more water tight To increase the initial setting time of cement paste in concrete To decrease the initial setting time of cement paste in concrete To improve the workability of concrete mix To render the concrete more water tight To increase the initial setting time of cement paste in concrete ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the constituent of good brick earth whose excess causes the raw bricks shrink and warp during drying and burning, from the following: Lime Alumina Iron-oxide Magnesia Lime Alumina Iron-oxide Magnesia ANSWER DOWNLOAD EXAMIANS APP
Building Materials The vehicle used in case of enamel paints is usually Linseed oil Varnish Water None of these Linseed oil Varnish Water None of these ANSWER DOWNLOAD EXAMIANS APP
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