The astern guarding valve on main propulsion...

Question 1 / 205eccefa1bacbc34ba4d472c6

Question 1 of 205eccefa1bacbc34ba4d472c6

The astern guarding valve on main propulsion steam turbine units must be open when a vessel is __________.

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Question 1 of 20

5eccefa1bacbc34ba4d472c6

The astern guarding valve on main propulsion steam turbine units must be open when a vessel is __________.

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🔍 Key Concepts

• Role of the astern guarding valve in a main propulsion steam turbine system • Difference between steady sea operations and close-quarters maneuvering • When rapid reversal of thrust (going astern quickly) might be critical for safety

💭 Think About

• In which situation would the engineer most likely need to quickly apply astern steam to the turbine for emergency stopping or backing? • When is the ship most at risk of collision or allision, requiring immediate engine response rather than maximum efficiency? • Which operations involve frequent speed and direction changes, rather than long periods of steady ahead power?

✅ Before You Answer

• Identify which answer choice describes close-quarters ship handling rather than open-ocean running or cargo operations • Consider during which operation the bridge might call for “full astern” on short notice • Eliminate any choices where astern power would clearly not be needed instantly or is unrelated to propulsion (like cargo handling only)

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Question 1 of 20

The astern guarding valve on main propulsion steam turbine units must be open when a vessel is __________.

at full sea speed

maneuvering into port

running with a warm bearing

loading cargo

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Question 1 / 205eccefa1bacbc34ba4d472c6

Question 1 of 205eccefa1bacbc34ba4d472c6

The astern guarding valve on main propulsion steam turbine units must be open when a vessel is __________.

Back

Question 1 of 20

5eccefa1bacbc34ba4d472c6

The astern guarding valve on main propulsion steam turbine units must be open when a vessel is __________.

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