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Oil in a hydraulic cylinder is compressed from an initial volume 2 m3 to 1.96 m3. If the pressure of oil in the cylinder changes from 40 MPa to 80 MPa during compression, the bulk modulus of elasticity of oil is
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- 1000 MPa
- 2000 MPa
- 4000 MPa
- 8000 MPa
Correct Option: B
| Bulk modules of elasticity, 1 dh K = | |
| dv/V1 |
| K = −V1 | |
| dv |
| K = | |
| −0.04 |
K = 2000 MPa
