In the illustration of a hydraulically...

Question 1 of 270705eccefa0bacbc34ba4d4713a

In the illustration of a hydraulically operated turbine gland seal regulator, the gland seal pressure sensing line is labeled ____. See illustration SE-0019.

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Question 1 of 27070

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In the illustration of a hydraulically operated turbine gland seal regulator, the gland seal pressure sensing line is labeled ____. See illustration SE-0019.

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🔍 Key Concepts

• Function of a gland seal regulator in a steam turbine system • Where pressure is sensed versus where flow enters or leaves the manifold • Difference between seal steam supply/return connections and a small instrument sensing line

💭 Think About

• Trace the path of the seal steam in the manifold and identify where pressure needs to be measured so the regulator can adjust correctly. • Look for the smallest line that would reasonably go to an instrument or control element, not a main flow passage. • Compare each labeled point (A, C, D, G) and ask: Is this a main steam passage, a drain/relief, or a sensing/tap connection?

✅ Before You Answer

• Verify which labeled port is a small-diameter tapping rather than a large flange connection. • Confirm that the chosen label is located where it could see actual gland seal pressure, not supply pressure before regulation or drain pressure after throttling. • Check that the line you choose is connected toward the control piston/diaphragm area, since that’s what needs the sensed pressure.