The piston rod scraper box incorporated in a...

Question 1 / 205eccefa1bacbc34ba4d475a5

Question 1 of 205eccefa1bacbc34ba4d475a5

The piston rod scraper box incorporated in a two-stroke/cycle, crosshead diesel engine serves to __________.

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Question 1 of 20

5eccefa1bacbc34ba4d475a5

The piston rod scraper box incorporated in a two-stroke/cycle, crosshead diesel engine serves to __________.

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🔍 Key Concepts

• Two-stroke crosshead diesel engine construction – especially the roles of the piston, piston rod, crosshead, and crankcase • Function of a scraper box vs. scraper rings – where each is located and what each actually acts on • Oil control and contamination – how engines keep dirty oil and combustion products out of the crankcase

💭 Think About

• Think about where the piston rod scraper box is physically located and what surface it interacts with – is it touching the cylinder liner or the piston rod? • Ask yourself: what is the main risk if combustion residues and cylinder oil are allowed to run down along the piston rod toward the crankcase? • Compare the typical cause of side thrust and cylinder scoring: which parts and forces are involved, and would a scraper box on the piston rod realistically control that?

✅ Before You Answer

• Identify which part of the engine the scraper box is actually cleaning or protecting (cylinder wall vs. piston rod vs. something else). • Confirm whether oil scraper rings are on the piston or in the scraper box – are they alternatives or do they serve in different locations? • Decide which option best matches the goal of keeping crankcase oil clean in a crosshead engine, based on how the piston rod passes between the cylinder and crankcase.

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Question 1 of 20

The piston rod scraper box incorporated in a two-stroke/cycle, crosshead diesel engine serves to __________.

eliminate the necessity for an oil scraper ring

prevent side thrust and cylinder scoring

prevent sludge and dirty oil from entering the crankcase

scrape oil and carbon deposits off the cylinder walls

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Question 1 / 205eccefa1bacbc34ba4d475a5

Question 1 of 205eccefa1bacbc34ba4d475a5

The piston rod scraper box incorporated in a two-stroke/cycle, crosshead diesel engine serves to __________.

Back

Question 1 of 20

5eccefa1bacbc34ba4d475a5

The piston rod scraper box incorporated in a two-stroke/cycle, crosshead diesel engine serves to __________.

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