Building Materials Specific gravity for most of the building stones lies between 2.5 to 3.0 3.0 to 3.5 1.5 to 2.0 2.0 to 2.5 2.5 to 3.0 3.0 to 3.5 1.5 to 2.0 2.0 to 2.5 ANSWER DOWNLOAD EXAMIANS APP
Building Materials A first class brick when immersed in cold water for 24 hours should not absorb water more than 25 % 22 % 15 % 20 % 25 % 22 % 15 % 20 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The preparation of surface of stone to obtain plain edges or to obtain stones of required size and shape is known as Blasting of stones Seasoning of stones Dressing of stones Quarrying of stones Blasting of stones Seasoning of stones Dressing of stones Quarrying of stones ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following stone is best suited for construction of piers and abutments of a railway bridge? Lime stone Sand stone Quartzite Granite Lime stone Sand stone Quartzite Granite ANSWER DOWNLOAD EXAMIANS APP
Building Materials The basic purpose of a retarder in concrete is To improve the workability of concrete mix To increase the initial setting time of cement paste in concrete To render the concrete more water tight To decrease the initial setting time of cement paste in concrete To improve the workability of concrete mix To increase the initial setting time of cement paste in concrete To render the concrete more water tight To decrease the initial setting time of cement paste in concrete ANSWER DOWNLOAD EXAMIANS APP
Building Materials Second class bricks Are of dark brown color Are well burnt Produce a metallic sound when struck Are under burnt Are of dark brown color Are well burnt Produce a metallic sound when struck Are under burnt ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS