Building Materials The basic purpose of a retarder in concrete is To improve the workability of concrete mix To decrease the initial setting time of cement paste in concrete To render the concrete more water tight To increase the initial setting time of cement paste in concrete To improve the workability of concrete mix To decrease the initial setting time of cement paste in concrete To render the concrete more water tight To increase the initial setting time of cement paste in concrete ANSWER DOWNLOAD EXAMIANS APP
Building Materials Three basic raw materials which are needed in large quantities for production of steel are Iron ore, carbon and lime stone Iron ore, carbon and sulphur Iron ore, coal and lime stone Iron ore, coal and sulphur Iron ore, carbon and lime stone Iron ore, carbon and sulphur Iron ore, coal and lime stone Iron ore, coal and sulphur ANSWER DOWNLOAD EXAMIANS APP
Building Materials The foliated structure is very common in Sedimentary rocks Metamorphic rocks None of these Igneous rocks Sedimentary rocks Metamorphic rocks None of these Igneous rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials A heavy stone is suitable for Arches Roads Retaining walls Rubble masonry Arches Roads Retaining walls Rubble masonry ANSWER DOWNLOAD EXAMIANS APP
Building Materials Manganese steels Possess low coefficient of expansion Are non-magnetic All listed here Possess high electrical resistance Possess low coefficient of expansion Are non-magnetic All listed here Possess high electrical resistance ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following ingredients of the brick earth enables the brick to retain its shape? Alumina Magnesia Silica Iron Alumina Magnesia Silica Iron ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS