Building Materials The thermosetting plastic All listed here Chars at 343°C At 127°C to 177°C permanently set and further application of heat does not soften it Becomes rigid when moulded at suitable pressure and temperature All listed here Chars at 343°C At 127°C to 177°C permanently set and further application of heat does not soften it Becomes rigid when moulded at suitable pressure and temperature ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following represents a metamorphic rock?(i) Slate(ii) Shale(iii) Quartzite All (i), (ii) and (iii) Only (iii) Both (i) and (iii) Both (ii) and (iii) All (i), (ii) and (iii) Only (iii) Both (i) and (iii) Both (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Inner part of a timber log surrounding the pitch, is called Cambium layer Sapwood None to these Heart wood Cambium layer Sapwood None to these Heart wood ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina and silica in good fire clay vary respectively is All of these 35, 65 30, 70 25, 75 All of these 35, 65 30, 70 25, 75 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick setting cement is produced by adding Less amount of gypsum in very fine powdered form More amount of gypsum in very fine powdered form Aluminium sulphate in very fine powdered form Pozzolana in very fine powdered form Less amount of gypsum in very fine powdered form More amount of gypsum in very fine powdered form Aluminium sulphate in very fine powdered form Pozzolana in very fine powdered form ANSWER DOWNLOAD EXAMIANS APP
Building Materials Crushing strength of a good building stone should be more than 50 MPa 100 MPa 150 MPa 200 MPa 50 MPa 100 MPa 150 MPa 200 MPa ANSWER DOWNLOAD EXAMIANS APP
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