Building Materials Plastics are compounds of carbon with element Oxygen Nitrogen Hydrogen All of these Oxygen Nitrogen Hydrogen All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The constituent of cement which is responsible for all the undesirable properties of cement is Tri-calcium silicate Di-calcium silicate Tri-calcium aluminate Tetra calcium alumino ferrite Tri-calcium silicate Di-calcium silicate Tri-calcium aluminate Tetra calcium alumino ferrite ANSWER DOWNLOAD EXAMIANS APP
Building Materials The thermosetting plastic Chars at 343°C Becomes rigid when moulded at suitable pressure and temperature At 127°C to 177°C permanently set and further application of heat does not soften it All listed here Chars at 343°C Becomes rigid when moulded at suitable pressure and temperature At 127°C to 177°C permanently set and further application of heat does not soften it All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Compared to mild steel, cast iron has(i) High compressive strength(ii) High tensile strength(iii) Low compressive strength(iv) Low tensile strength (iii) and (iv) (i) and (iv) (ii) and (iii) (i) and (ii) (iii) and (iv) (i) and (iv) (ii) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called Bessemer pig White or forge pig Grey or foundry pig Mottled pig Bessemer pig White or forge pig Grey or foundry pig Mottled pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials Study the following statements.(i) Hydraulic lime is suitable for white washing,(ii) Fat lime is suitable for whitewashing,(iii) Hydraulic lime is suitable for making mortar,(iv) Fat lime is suitable for making mortar. (ii) and (iii) (i) and (iv) (i) and (ii) (iii) and (iv) (ii) and (iii) (i) and (iv) (i) and (ii) (iii) and (iv) ANSWER DOWNLOAD EXAMIANS APP