The main propulsion diesel engines fitted on...

Question 1 / 2066636eef28f7522a1c51fea4

Question 1 of 2066636eef28f7522a1c51fea4

The main propulsion diesel engines fitted on your salvage tug are started with compressed air using the system illustrated. What is the starting method used with this system? Illustration MO-0199

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Question 1 of 20

66636eef28f7522a1c51fea4

The main propulsion diesel engines fitted on your salvage tug are started with compressed air using the system illustrated. What is the starting method used with this system? Illustration MO-0199

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🔍 Key Concepts

• Trace the path of starting air from the receivers to the engine in the diagram. • Notice whether there is any motor or hydraulic unit between the air line and the engine crankshaft. • Compare how direct air admission works versus using an air or hydraulic cranking motor.

💭 Think About

• If starting air is used to spin a motor that then turns the engine, which choices does that correspond to? • If starting air is sent directly into the engine’s cylinders, what additional device must control which cylinder gets air and when? • Look closely at the components near the "Start Air to Engine" label—do you see anything that looks like a separate motor or a hydraulic section?

✅ Before You Answer

• Verify whether the line labeled "Start Air to Engine" goes straight from the receivers to the engine, or first into a motor/hydraulic unit. • Check if the upper assembly includes a distributor-type device (one unit timing air to several cylinders) or individual cam‑operated valves at each cylinder. • Confirm there is no symbol for a hydraulic pump/reservoir or air motor gear train, which would rule in or out some answer choices.

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Question 1 of 20

The main propulsion diesel engines fitted on your salvage tug are started with compressed air using the system illustrated. What is the starting method used with this system? Illustration MO-0199

Hydraulic cranking motor(s) with air over hydraulics

Direct air admission with cam actuated air start valves.

Direct air admission with air start distributor

Air cranking motor(s)

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Question 1 / 2066636eef28f7522a1c51fea4

Question 1 of 2066636eef28f7522a1c51fea4

The main propulsion diesel engines fitted on your salvage tug are started with compressed air using the system illustrated. What is the starting method used with this system? Illustration MO-0199

Back

Question 1 of 20

66636eef28f7522a1c51fea4

The main propulsion diesel engines fitted on your salvage tug are started with compressed air using the system illustrated. What is the starting method used with this system? Illustration MO-0199

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?

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