The area indicated by the letter "W", shown...

🔍 Key Concepts

• Study how hydraulic opening and closing chambers are arranged on opposite sides of a piston in a double-acting telemotor/actuator. • Notice that the lower piston area is divided into an upper space and a lower space, each used for a different motion of the valve or gate. • Compare the location of label W with labels nearby (such as V, X, and Y) to see which side of the piston it is on and which port it connects to.

💭 Think About

• If pressure oil enters at label W, would it tend to move the main piston upward or downward? Link that motion to whether the valve or gate is opening or closing. • Is W located above or below the lower piston sealing surface? How does that affect whether it is associated with an "upper" chamber or not? • Think about which choice names a chamber by its function (what motion it produces) versus its position (upper/lower). Which best matches what you see at W?

✅ Before You Answer

• Verify which way the actuator moves to open versus close when pressure is applied to the lower-side chamber. • Confirm whether W is clearly on the lower side of the lower piston, not the upper side, by tracing the sealing rings and piston surfaces. • Double-check that the terminology in the options matches common telemotor/actuator usage: opening/closing chamber are by function, while upper sliding piston chamber is by location.

The area indicated by the letter "W", shown in the illustration is correctly termed the __________. Illustration MO-0112

closing chamber

parting chamber

upper sliding piston chamber

opening chamber

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🔍 Key Concepts

💭 Think About

✅ Before You Answer