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 Steel contains carbon approximately 0.05% to 1.75% None to these 1.50% to 5.6% 0.25 % 0.05% to 1.75% None to these 1.50% to 5.6% 0.25 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively: 15, 75, 10 10, 15, 75 75, 10, 15 10, 75, 15 15, 75, 10 10, 15, 75 75, 10, 15 10, 75, 15 ANSWER DOWNLOAD EXAMIANS APP
Building Materials A mortar joint in masonry which is normal to the face of wall is known as Wall joint Bonded joint Cross joint Bed joint Wall joint Bonded joint Cross joint Bed joint ANSWER DOWNLOAD EXAMIANS APP
Building Materials The variety of pig iron used for manufacture of wrought iron, is White forge pig Grey or foundry pig Bessemer pig Mottled pig White forge pig Grey or foundry pig Bessemer pig Mottled pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials Depending on the chemical composition and mechanical properties, iron may be classified as All of these Cast iron Wrought iron Steel All of these Cast iron Wrought iron Steel ANSWER DOWNLOAD EXAMIANS APP