Hydraulics and Fluid Mechanics in ME
A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm² and a volume of 0.039 m3 at 150 kg/cm². The bulk modulus of elasticity of liquid is

4000 kg/cm²
40 × 10⁵ kg/cm²
40 × 10⁶ kg/cm²
400 kg/cm²

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Hydraulics and Fluid Mechanics in ME
A compound pipe is required to be replaced by a new pipe. The two pipes are said to be equivalent, if

Loss of head and discharge of both the pipes is same
Length of both the pipes is same
Loss of head and velocity of flow in both the pipes is same
Diameter of both the pipes is same

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