or a given overall thickness, and a given total weight of wall, the best value of sound insulation will, in principle, be achieved by: a. selecting a very dense material and making the thinnest possible, single-leaf construction b. selecting a high density material and making a double-leaf construction, with the two leaves separated by as large a cavity as possible, and placing some acoustically absorptive material in the cavity A c. selecting a low density material and making the thickest possible single-leaf construction d. selecting a very dense material and making a thin, single-leaf construction, and placing acoustically absorptive material on both sides e. selecting
For a given overall thickness, and a given total weight of wall, the best value of sound insulation will, in principle, be achieved by:
a. selecting a very dense material and making the thinnest possible, single-leaf construction
b. selecting a high density material and making a double-leaf construction, with the two leaves separated by as large a cavity as possible, and placing some acoustically absorptive material in the cavity
A
c. selecting a low density material and making the thickest possible single-leaf construction
d. selecting a very dense material and making a thin, single-leaf construction, and placing acoustically absorptive material on both sides
e. selecting a low density material and making a double-leaf construction with the two leaves separated by a small cavity
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