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The device used to increase the intensity of pressure of water by means of hydraulic energy, at a low pressure is called:

  • A.Hydraulic accumulator
  • B.Torque converter
  • C.Hydraulic ram
  • D.Hydraulic intensifier

Answer: D

The device is the hydraulic intensifier.

A hydraulic intensifier uses a large volume of water at low pressure acting on a large ram to drive a smaller ram, delivering a smaller volume of water at much higher pressure. It is used where machines such as presses need pressures higher than the supply provides.

A hydraulic accumulator stores pressure energy, a hydraulic ram uses the momentum of falling water to lift part of it higher, and a torque converter transmits torque through fluid.

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