Building Materials Which of the following sedimentary rocks changes into quartzite by metamorphic action? Lime stone Sand stone Gypsum Shale Lime stone Sand stone Gypsum Shale ANSWER DOWNLOAD EXAMIANS APP
Building Materials Granite is not suitable for ordinary building purpose because it is costly it is not a fire proof material it can not be polished it has less crushing strength it is costly it is not a fire proof material it can not be polished it has less crushing strength ANSWER DOWNLOAD EXAMIANS APP
Building Materials The age of a tree can be known by examining Cambium layer Medullary rays Annular rings Heart wood Cambium layer Medullary rays Annular rings Heart wood ANSWER DOWNLOAD EXAMIANS APP
Building Materials Proper amount of entrained air in concrete results in (i) Better workability (ii) Better resistance to freezing and thawing (iii) Lesser workability (iv) Less resistance to freezing and thawing (ii) and (iii) (i) and (ii) (iii) and (iv) (i) and (iv) (ii) and (iii) (i) and (ii) (iii) and (iv) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gypsum consists of H₂S and CO₂ CO₂ and calcium CaSO4 and H₂O Lime and H₂O H₂S and CO₂ CO₂ and calcium CaSO4 and H₂O Lime and H₂O ANSWER DOWNLOAD EXAMIANS APP
Building Materials A pug mill is used for Providing brick earth Tempering brick earth Moulding brick earth Softening brick earth Providing brick earth Tempering brick earth Moulding brick earth Softening brick earth ANSWER DOWNLOAD EXAMIANS APP