Building Materials The rocks having alumina or clay as their major constituents are known as Sedimentary rocks Argillaceous rocks Siliceous rocks Calcareous rocks Sedimentary rocks Argillaceous rocks Siliceous rocks Calcareous rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials The harmonious mixing of the clay ingredients, is known as Tempering Weathering Blending None of these Tempering Weathering Blending None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The basic purpose of a retarder in concrete is To render the concrete more water tight To decrease the initial setting time of cement paste in concrete To increase the initial setting time of cement paste in concrete To improve the workability of concrete mix To render the concrete more water tight To decrease the initial setting time of cement paste in concrete To increase the initial setting time of cement paste in concrete To improve the workability of concrete mix ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rocks formed due to alteration of original structure due to heat and excessive pressure are called Metamorphic rocks Sedimentary rocks None of these Igneous rocks Metamorphic rocks Sedimentary rocks None of these Igneous rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following is the purest form of iron? Mild steel High carbon steel Wrought iron Cast iron Mild steel High carbon steel Wrought iron Cast iron ANSWER DOWNLOAD EXAMIANS APP