Hydraulic Press: Spot the Parts

Find the liquid, the connecting tube and the two moving piston faces.

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A piston is a moving piece that pushes on liquid inside a cylinder. Follow the blue liquid through the picture. Use pictures only; never touch or operate a real press. Use diagrams and calculations only; never build or operate a press for this activity.

Worked example

The small piston and the large piston share one connected liquid space. The tube joins the spaces; it is not an electrical wire.

A small input piston on the left pushes down on enclosed liquid. A tube connects to a wider output piston on the right, which can move up. Simplified picture, not an operating plan.

Would you believe it?

A hydraulic connection can bend. The enclosed liquid can transmit a pressure change along a curved route between pistons.

OpenStax: Pascal's principle

Question 1 What fills the connected blue space? Liquid Sand A string

Question 2 Which part joins the two cylinders? The title The outside air The tube

Question 3 How many piston faces are shown? Five Two One

Question 4 Which piston face is wider in the drawing? The right one The left one They are equal

Question 5 Where should we explore this machine today? With hands inside a press At the controls of a real press In a picture

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