The harbor tug to which you are assigned is...

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Question 1 of 2066636eef28f7522a1c51fc92

The harbor tug to which you are assigned is fitted with 4-stroke cycle, 6-cylinder in-line diesel generator sets. Using the chart shown in the illustration, what is the firing order of the engines? Illustration MO-0164

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Question 1 of 20

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🔍 Key Concepts

• Use the Four-Stroke Engines side of the chart (left side), not the two-stroke side • Locate the row that matches a 6-cylinder in-line engine configuration • Match the listed firing order in that specific row to the answer choices

💭 Think About

• Which of the two 6-cylinder rows on the four-stroke side represents an in-line arrangement rather than another configuration? Look closely at the crank arrangement sketch. • Once you identify the correct 6-cylinder row, what exact firing sequence is printed in the Firing Order column, and which option matches it? • Are any of the answer choices simply a straight numerical progression, and does the chart ever show that pattern for a multi-cylinder four-stroke engine?

✅ Before You Answer

• You are reading from the Four-Stroke Engines section, not the Two-Stroke section. • You have correctly identified the in-line 6-cylinder crank arrangement before reading the firing order. • You have compared the firing order from the chart character by character with each multiple-choice option to ensure an exact match.

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