Quiz 2 Construction and Materrial

which material is more density?

• Glass

• Robber

• Rock

• wood

Substance that have a specific gravity less than 1 are lighter than water

• True

• False

Find The specific gravity of Mercury , we know the density of mercury 13600 kgCu.m and the density of water 1000 kgCu.m

• 13.6

• 136

• 122

• 100

the ability of material to retain water is called......

• Bulk density

• water absorption

• Specific gravity

• Fire resistance

A wooden box density 10 kg/M3 and it dimensions are 1m by 2m by 1.5m. the wooden box mass is

• 3.33 kg

• 2.5kg

• 6kg

• 4kg