In a reaction turbine, the axial thrust due...

Question 1 / 205eccefa0bacbc34ba4d470f6

Question 1 of 205eccefa0bacbc34ba4d470f6

In a reaction turbine, the axial thrust due to the reactive force on the rotor blading drives the rotor __________.

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Question 1 of 20

5eccefa0bacbc34ba4d470f6

In a reaction turbine, the axial thrust due to the reactive force on the rotor blading drives the rotor __________.

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🔍 Key Concepts

• Reaction turbine blading and how steam expands across fixed and moving blades • Direction of steam flow and pressure drop through the stages • Purpose and location of dummy piston / balance piston in turbines

💭 Think About

• When steam expands over reaction blades, in which direction is the reactive force acting on the rotor relative to the high- and low-pressure ends? • How does axial thrust usually act in a reaction turbine, and what component is installed to oppose or balance that thrust? • Think about why a dummy (balance) piston is fitted at one end of the turbine: is it there to push the rotor in the same direction as the reactive thrust, or to oppose it?

✅ Before You Answer

• Identify which end of the turbine is the high-pressure inlet and which is the low-pressure exhaust • Determine the direction of steam velocity change over the moving reaction blades and how that creates a reaction force on the rotor • Confirm the role of the dummy piston: is it there to balance an existing thrust, or to create the primary driving thrust?

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Question 1 of 20

In a reaction turbine, the axial thrust due to the reactive force on the rotor blading drives the rotor __________.

toward the high pressure end

toward the low pressure end

against the dummy piston

toward the diaphragm squealer rings

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Question 1 / 205eccefa0bacbc34ba4d470f6

Question 1 of 205eccefa0bacbc34ba4d470f6

In a reaction turbine, the axial thrust due to the reactive force on the rotor blading drives the rotor __________.

Back

Question 1 of 20

5eccefa0bacbc34ba4d470f6

In a reaction turbine, the axial thrust due to the reactive force on the rotor blading drives the rotor __________.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed