Building Materials The basic purpose of a retarder in concrete is 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 To increase the initial setting time of cement paste in concrete ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick setting cement is produced by adding Aluminium sulphate in very fine powdered form Pozzolana in very fine powdered form More amount of gypsum in very fine powdered form Less amount of gypsum in very fine powdered form Aluminium sulphate in very fine powdered form Pozzolana in very fine powdered form More amount of gypsum in very fine powdered form Less amount of gypsum in very fine powdered form ANSWER DOWNLOAD EXAMIANS APP
Building Materials If āPā is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is 0.75 P 0.70 P 0.80 P 0.85 P 0.75 P 0.70 P 0.80 P 0.85 P ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rapid hardening cement contains Di-calcium silicate Tetra-calcium alumino-ferrite Tri-calcium aluminate Tri-calcium silicate Di-calcium silicate Tetra-calcium alumino-ferrite Tri-calcium aluminate Tri-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast iron contains carbon approximately None to these 0.250 % 1.5% to 5.5% 0.05% to 1.75% None to these 0.250 % 1.5% to 5.5% 0.05% to 1.75% ANSWER DOWNLOAD EXAMIANS APP
Building Materials The internal size of mould used in brick preparation is None of these Equal to the size of a fully burnt brick Greater than the size of a fully burnt brick Smaller than the size of a fully burnt brick None of these Equal to the size of a fully burnt brick Greater than the size of a fully burnt brick Smaller than the size of a fully burnt brick ANSWER DOWNLOAD EXAMIANS APP
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