Building Materials As per IS specifications, the maximum final setting time for ordinary Portland cement should be 30 minutes 10 hours 6 hours 1 hour 30 minutes 10 hours 6 hours 1 hour 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 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 Which of the following gradients exerts maximum influence on properties of steel? carbon manganese sulphur iron carbon manganese sulphur iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called: Radial shakes Twisted fibres Heart shakes Wind cracks Radial shakes Twisted fibres Heart shakes Wind cracks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of silica in a good brick earth lies between 20 to 30 % 70 to 80 % 50 to 60 % 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % 5 to 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials According to ISI, bitumen is classified into 10 grades 4 grades 8 grades 2 grades 10 grades 4 grades 8 grades 2 grades ANSWER DOWNLOAD EXAMIANS APP