Question:
Compute the fractional change in volume of a glass slab, when subjected to a hydraulic pressure of 10 atm.
Answer:
Hydraulic pressure exerted on the glass slab Ï = 10 atm = 10 x 1.013 x 105 Pa
Bulk Modulus B = 37 x 109 N/m2
Bulk modulus B = Ï/ ΔV/V
Where, Fractional change in volume = ΔV/V
Therefore,
ΔV/V = Ï/B = 10 x 1.013 x 105 /37 x 109 = 2.73 x 10-5
Hence, fractional change in the volume of the glass of slab is 2.73 x 10-5
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