Starting systems for large, direct...

Question 1 / 205eccefa3bacbc34ba4d47d46

Question 1 of 205eccefa3bacbc34ba4d47d46

Starting systems for large, direct reversing, main propulsion diesel engines are usually __________.

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Question 1 of 20

5eccefa3bacbc34ba4d47d46

Starting systems for large, direct reversing, main propulsion diesel engines are usually __________.

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🔍 Key Concepts

• Direct-reversing main propulsion diesel engines on large ships and how they change direction • Common starting methods for very large slow-speed diesels vs smaller medium-speed diesels • Why large engines often use compressed air systems instead of electric or hydraulic motors

💭 Think About

• Think about the enormous size and inertia of a large, slow-speed, direct-reversing main engine. Which starting system can supply enough torque directly to the engine? • Consider how these engines obtain both starting power and the ability to start in either ahead or astern direction—what’s the simplest way to do that? • Ask yourself which systems are more typical for small auxiliary diesels and which for the main propulsion engine on big merchant ships.

✅ Before You Answer

• Identify which options are commonly used on small auxiliary or generator engines rather than large main engines • Consider which option allows admission of energy directly to the engine cylinders in the desired direction of rotation • Verify in your studies which starting system is standard for large, slow-speed, direct-reversing marine diesels on merchant vessels

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Question 1 of 20

Starting systems for large, direct reversing, main propulsion diesel engines are usually __________.

hydraulic starting motors

electric starting motors

direct air admission

vane type air motors

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Question 1 / 205eccefa3bacbc34ba4d47d46

Question 1 of 205eccefa3bacbc34ba4d47d46

Starting systems for large, direct reversing, main propulsion diesel engines are usually __________.

Back

Question 1 of 20

5eccefa3bacbc34ba4d47d46

Starting systems for large, direct reversing, main propulsion diesel engines are usually __________.

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