Building Materials and Construction

hardness test ✘ work ability test ✘ weight test ✘ toughness test ✔

quartz ✘ feldspar ✘ mica ✘ none of the above ✔

it can not be polished ✘ it is not a fire proof material ✘ it is costly ✘ it has less crushing strength ✔

granite ✘ sand stone ✘ lime stone ✘ quartzite ✔

quarrying of stones ✘ blasting of stones ✘ seasoning of stones ✘ dressing of stones ✔

50 Mpa ✘ 100 Mpa ✘ 150 Mpa ✘ 200 Mpa ✔

1.5 to 2.0 ✘ 2.0 to 2.5 ✘ 2.5 to 3.0 ✘ 3.0 to 3.5 ✔

driving wooden headed chisels ✘ rough dressing of stones ✘ carving of stones ✘ breaking small projection of stones ✔

cutting soft stones ✘ cutting hard stones ✘ cutting large blocks of stones ✘ dressing stones ✔

innermost annular rings around the pith ✘ portion of timber between heartwood and cambium layer ✘ thin layers below the bark ✘ thin fibre which extends from the pith outwards and holds the annular rings together ✔