Building Materials The thermosetting plastic At 127°C to 177°C permanently set and further application of heat does not soften it Chars at 343°C Becomes rigid when moulded at suitable pressure and temperature All listed here At 127°C to 177°C permanently set and further application of heat does not soften it Chars at 343°C Becomes rigid when moulded at suitable pressure and temperature All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Refractory bricks resist High temperature Dampness All listed here Chemical action High temperature Dampness All listed here Chemical action ANSWER DOWNLOAD EXAMIANS APP
Building Materials The compound of Portland cement which reacts immediately with water and also sets first is Di-calcium silicate Tri-calcium aluminate Tetra calcium alumino ferrite Tri-calcium silicate Di-calcium silicate Tri-calcium aluminate Tetra calcium alumino ferrite Tri-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Index number expressing the relative sizes of both coarse and fine aggregates, is called Grading of aggregates Proportioning of aggregates Fineness modulus None of these Grading of aggregates Proportioning of aggregates Fineness modulus None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main ingredients of Portland cement are Lime and alumina Silica and alumina Lime and iron Lime and silica Lime and alumina Silica and alumina Lime and iron Lime and silica ANSWER DOWNLOAD EXAMIANS APP
Building Materials For construction of structures under water, the type of lime used, is Quick lime Pure lime Hydraulic lime Fat lime Quick lime Pure lime Hydraulic lime Fat lime ANSWER DOWNLOAD EXAMIANS APP