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Sketch & explain meter-in hydraulic circuit to control the speed of extension of DAC. Explain why meter-in circuit is not preferred for over running loads.
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Figure1 shows a meter-in circuit with control of extend stroke. The inlet flow into the cylinder is controlled using a flow-control valve. In the return stroke, however, the fluid can bypass the needle valve and flow through the check valve and hence the return speed is not controlled. This implies …

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