The #3 piston shown in the illustration is...

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Question 1 of 205eccefa1bacbc34ba4d473dd

The #3 piston shown in the illustration is on the __________. Illustration MO-0038

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5eccefa1bacbc34ba4d473dd

The #3 piston shown in the illustration is on the __________. Illustration MO-0038

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🔍 Key Concepts

• Four-stroke diesel cycle strokes and their order in crankshaft degrees (power, exhaust, intake, compression) • Relationship between camshaft rotation and crankshaft rotation in a four-stroke engine • How a firing order can be read from a cam-nose position diagram like MO-0038

💭 Think About

• From the chart, figure out the firing order of the six cylinders by going around the circle of cam-nose positions in order of increasing degrees. • Once you know how many crankshaft degrees in the future #3 will fire (measured from the instant #1 is firing at TDC), match that angle difference to where that would place #3 within its own 720° four-stroke cycle. • Map each 180° segment of the 720° cycle to one of the four strokes, starting at TDC where combustion is taking place.

✅ Before You Answer

• Be sure you remember that in a four-stroke engine the camshaft turns at half crankshaft speed when converting cam degrees to crank degrees. • Verify that the firing intervals between cylinders are evenly spaced in crank degrees for a six-cylinder four-stroke (what is that spacing?). • Confirm which 180° band (0–180, 180–360, 360–540, or 540–720 crank degrees before its own firing) corresponds to each named stroke before choosing your answer.

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Question 1 of 205eccefa1bacbc34ba4d473dd

The #3 piston shown in the illustration is on the __________. Illustration MO-0038

Back

Question 1 of 20

5eccefa1bacbc34ba4d473dd

The #3 piston shown in the illustration is on the __________. Illustration MO-0038

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